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1Z0-068 exam Dumps Source : Oracle Database 12c: RAC and Grid Infrastructure Administration
Test Code : 1Z0-068
Test appellation : Oracle Database 12c: RAC and Grid Infrastructure Administration
Vendor appellation : Oracle
: 91 true Questions
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Oracle says the new In-memory alternative it unveiled nowadays will allow its 12c database valued clientele to dash analytic workloads one hundred times quicker than they previously could. the key sauce is a brand new column-oriented analytical records shop, which sits usurp subsequent to the typical row-oriented data rescue used for transactions.
The dominance of the natural relational database administration equipment (RDBMs) is crumbling as groups struggle to catch, shop, and system mammoth sums of unstructured and semi-structured records. The RDBMs is quite simply not up the assignment, which in revolve is leading organizations to ascertain different types of data outlets, such as Hadoop, NoSQL, and many others.
Column-oriented information outlets are smartly placed to inherit one of the analytic workloads that organizations tried to dash on RDBMs. From a disk-entry component of view, it’s tons extra efficient to examine information saved in a handful of columns versus opening thousands and thousands of rows to accomplish the equal. The enmesh is that this routine doesn’t work as smartly for transaction processing. here is why Oracle database competitors, together with HP Vertica, SybaseIQ, Teradata, and others, occupy adopted columnar database as the groundwork for statistics warehousing and analytic workloads.
The newest vogue comprises cohabitating analytic and transaction processing workloads onto the equal database, the expend of an in-memory, columnar strategy, which is exactly what SAP has completed with HANA and what IBM is doing with DB2 BLU.
as a substitute of ceding this market break to Hadoop and NoSQL statistics analytic startups and gauge foes in the RDMBs business, Oracle is hoping to maintain its customers’ company through shoring up its database with the hybrid In-memory option, which enables purchasers to dash analytic workloads facet via side with ordinary OLTP workloads. The enterprise made the announcement these days from its Oracle OpenWorld 2013 convention taking region this week in San Francisco.
This hybrid, or “twin-format,” strategy contains imposing a sever column-oriented data retain that’s optimized for analytical workloads redress next to the middling row-oriented statistics retain within the 12c database platform. information is stored in both formats simultaneously, and the records is maintained in a manner that's transactionally constant, the company says.
Oracle says the column-oriented approach, mixed with its separate guide, numerous data (SIMD) vector optimizations, enable purposes to scan billions of rows of statistics per second for each CPU core. This provides as much as deliver sub-2d response instances for experiences running towards the column-oriented records keep, the seller says. This offers purchasers the means to fulfill precise-time advert-hoc analytics on reside transactional information, it says.
All told, Oracle claims that analytics and studies dash a hundred instances quicker this fashion than the usage of the traditional row-based mostly method. What’s greater, the application big says reviews dash 20 instances faster than they accomplish when using pre-defined OLAP cubes, while table joins dash 10 instances quicker.
Oracle says transactional functions will survey a 2x speedup as neatly, because of the column-oriented method. this is due to the fact that most indexes in a database are there to optimize analytical queries. besides the fact that children, these indexes aren’t vital a hybrid database, like 12c has become. because of this, there’s less ordinary overhead to transactions, considering the fact that the indexes no longer should subsist maintained.
Oracle says that every software designed to dash on 12c can “automatically and transparently” grasp expertise of the new hybrid facts store. This includes utter of Oracle’s personal enterprise functions, together with items like E-company Suite, PeopleSoft, and JD Edwards. on the same time, Oracle is apparently additionally giving a huge pace-as much as rivals, equivalent to SAP’s enterprise Suite, which is commonly deployed atop the Oracle database.
Getting the advantages comprises nothing greater than “flipping a switch,” Oracle CEO Larry Ellison spoke of.
“almost each existing application that runs on usurp of the Oracle database will dash dramatically sooner via quite simply turning on the new In-reminiscence characteristic,” Ellison talked about. “Our customers don’t occupy to compose any adjustments to their applications in any respect; they effortlessly flip on the in-memory swap, and the Oracle database automatically begins scanning statistics at a rate of billions or tens of billions of rows per 2nd.
This appears very lots like the SAP HANA database, which provides an in-memory, columnar database that concurrently runs OLTP and analytic workloads. HANA changed into designed to, amongst other issues, displace Oracle from SAP debts, by using allowing them to dash analytical and transactional workloads on the identical server. Now that Oracle has the same yarn to tell, it may subsist unique to survey the spot it goes next.
There are soundless some unanswered questions about how 12c’s In-reminiscence choice will work in the actual world. Does it accomplish optimum when scaling up vertically, on big symmetric multi-processor (SMP) containers, or does it scale horizontally, the expend of Oracle RAC clustering? Does it dash greater on inexpensive X64 containers or will Oracle someway “optimize” it to dash on its Sparc servers or any of the Exa-appliances? How huge can information win with the In-memory option? usual RDBMs usually delivery to sputter once they win into the multi-terabyte latitude. Does the In-memory alternative support or damage scalability during this regard?
The In-memory choice for the 12c database is anticipated to become available later this 12 months.
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Oracle presents a mess of hardware and software options designed to simplify IT. most likely most effectual universal for its premier database utility, the traffic besides offers cloud options, servers, engineered systems, storage and extra. Oracle has greater than 430,000 shoppers in one hundred seventy five nations, about 138,000 personnel and exceeds $37.7 billion in revenues.
through the years, Oracle has developed an in depth certification software. these days, it contains six certification tiers that span 9 different categories with greater than 200 individual credentials. due to the fact that the depth and breadth of this program, and the number of Oracle valued clientele, it's no shock that Oracle certifications are tremendously trendy.Oracle Certification software Overview
Oracle's certification program is divided into these 9 basic classes:
moreover, Oracle's credentials are provided at six certification tiers:
Most Oracle certification tests are proctored, cost $245, and comprise a blend of scored and unscored varied-option questions. Candidates might besides grasp proctored assessments at Pearson VUE, besides the fact that children some tests are provided at Oracle testing facilities in several places. Some checks, reminiscent of Oracle Database 12c: SQL Fundamentals (1Z0-061) and Oracle Database 11g: SQL Fundamentals (1Z0-051), are additionally purchasable non-proctored and may subsist taken online. Non-proctored tests can suffuse $one hundred twenty five. verify the Oracle university Certification site for details on specific assessments.Oracle functions and Cloud Certifications
The Oracle purposes certification class offers greater than 60 particular person credentials, masking 13 items or product companies, equivalent to Siebel, E-company Suite, Hyperion, JD Edwards EnterpriseOne and PeopleSoft. the majority of these certifications observe to certified Implementation experts for some specific utility, with various licensed professional credentials besides attainable. The software certifications are geared toward people with capabilities in promoting and implementing specific Oracle options.
Oracle's newest certification category is Oracle Cloud, which covers Java Cloud in addition to a number of Oracle Cloud certifications, including Oracle Database Cloud. Credentials are offered in seven sub-classes:
These credentials recognize individuals who deploy applications, fulfill administration or convey client solutions in the cloud. Credentials mostly consist of associate and Certification Implementation specialists, with one cellular Developer credential provided plus an expert-level Oracle Database Cloud Administrator.Oracle Database Certifications
Certifications in Oracle's Database category are geared toward individuals who foster or work with Oracle databases. There are three main categories: Database software development, MySQL and Oracle Database.
note: Oracle Database 12c was redesigned for cloud computing (and is blanketed in both the Cloud and Database certification categories). The present version is Oracle Database 12c R2, which includes extra enhancements for in-reminiscence database and multitenant structure. MySQL 5.6 has been optimized for efficiency and storage, making it able to dealing with larger information sets. whenever a significant version of either database is released, Oracle updates its certifications checks over time. If an exam isn't available for the newest database unencumber, candidates can grasp a venerable edition of the examination after which an update exam when it becomes attainable.
Oracle at the minute presents the Oracle Database Foundations licensed Junior affiliate, Oracle certified affiliate (OCA), Oracle certified professional (OCP), Oracle certified master (OCM), Oracle certified skilled (OCE) and professional paths for Oracle Database 12c. moreover, Oracle offers the OCA credential for Oracle Database 12c R2 and an better path for the OCP credential. as a result of a lot of these certifications are particularly well-known within the Oracle Certification software, they provide additional exam particulars and links in perquisite here sections.other a lot of Database Certifications Oracle traffic management Certifications
The traffic administration certifications cover Oracle commercial enterprise supervisor.
The Oracle enterprise manager 11g licensed Implementation specialist certification is geared towards Oracle PartnerNetwork participants however is obtainable to utter candidates. This certification recognizes specialists who reserve into outcome Oracle enterprise manager. You must circulate one exam (1Z0-530) to reap this certification. fascinated candidates should word that this exam is slated to retire on may additionally 31, 2018.
The Oracle enterprise manager 12c certified Implementation professional examination (1Z0-457) covers greater management features (for functions, databases, middleware, methods and storage in a considerable number of environments). in addition, it covers architecture, setting up and deployment, implementation and aid, reporting and extensibility.Oracle Database Foundations certified Junior associate
The Oracle Database groundwork licensed Junior associate credential objectives people who occupy participated within the Oracle Academy software through a college or college software, desktop science and database teachers, and people discovering databases and desktop science. As a amateur-stage credential, the certified Junior associate goals at people with restricted arms-on adventure working with Oracle Database products. To deserve the credential, candidates should whisk the Oracle Database Foundations (novice-level examination) (1Z0-006).Oracle licensed affiliate (OCA) -- Oracle Database 12c Administrator
The OCA certification measures the day-to-day operational management database erudition of DBAs. Candidates ought to whisk a SQL exam and another on Oracle Database administration. Candidates can opt for one in utter the following SQL tests:
Candidates need to additionally pass the Oracle Database 12c: installation and Administration (1Z0-062) examination.Oracle certified affiliate -- Oracle Database 12cR2 Administrator
To deserve the Oracle Database 12cR2 OCA credential, candidates should first deserve both the Oracle Database SQL licensed affiliate, Oracle Database 11g Administrator licensed associate, or the Oracle Database 12c Administrator licensed affiliate. in addition, candidates are required to stream the Oracle Database 12cR2 Administration exam (1Z0-072).Oracle certified professional (OCP) -- Oracle Database 12c Administrator
The OCP certification covers greater advanced database potential. You ought to occupy the OCA Database 12c Administrator certification, comprehensive the necessary practicing, comprehensive a route submission kind and whisk the Oracle Database 12c: advanced Administration (1Z0-063) examination.
experts who possess either the Oracle Database 11g Administrator licensed skilled or Oracle Database 12c Administrator certified knowledgeable credential might besides upgrade to the Oracle Database 12cR2 Administration certified professional credential by passing the Oracle DBA better exam (1Z0-074).Oracle licensed master (OCM) -- Oracle Database 12c Administrator
To obtain OCM Database 12c Administrator certification, you ought to occupy the OCP Database 12c Administrator certification, finished two advanced courses, and circulate the Oracle Database 12c certified grasp exam (12COCM), complete the route submission kind, and post the fulfillment equipment request.
Oracle besides presents the Oracle Database 12c optimum Availability licensed master certification, which requires three sever credentials, including the Oracle Database 12c Administrator certified grasp, Oracle certified expert, Oracle Database 12c-RAC and Grid Infrastructure Administration, and Oracle licensed professional, Oracle Database 12c – information protect Administration.Oracle licensed professional (OCE) -- Oracle Database 12c
The OCE Database 12c certifications encompass maximum Availability, records grasp custody of Administrator, RAC and Grid Infrastructure Administrator, and performance administration and Tuning credentials. utter these certifications require prerequisite certifications. performance management and Tuning takes the OSP Database 12c as a prerequisite, whereas facts safeguard Administrator candidates occupy the alternative of incomes either the OCP Database 12c or 11g credential. The RAC and Grid Infrastructure Administrator offers candidates probably the most flexibility, permitting candidates to choose from the OCP Database 11g, OCP Databases 12c, Oracle licensed skilled – true application Clusters 11g and Grid Infrastructure Administration, or OCE Database 10g lawful functions Clusters Administration.
as soon as the prerequisite credentials are met, candidates can then achieve data guard Administrator, RAC and Grid Infrastructure Administrator or performance administration and Tuning by way of passing one examination. achieving OCP 12c plus the RAC and Grid Infrastructure Administration and records sanctuary Administration certifications earns the highest Availability credential.Oracle Database certified Implementation specialist
Oracle besides offers three certified Implementation professional credentials: the Oracle lawful application Clusters 12c, Oracle Database performance and Tuning 2015, and Oracle Database 12c. expert credentials goal individuals with a background in promoting and enforcing Oracle solutions. each and every of these credentials require candidates to pass a separate exam to deserve the designation.Oracle Industries Certifications
Oracle Industries is a further enormous category, with greater than 25 individual certifications concentrated on Oracle utility for the construction and engineering, communications, health sciences, insurance, tax and utilities industries. utter these certifications are certified Implementation experts for the a lot of Oracle trade products, which ability they determine people who are educated in enforcing and promoting business-particular Oracle software.Oracle Java and Middleware Certifications
The Java and Middleware certifications are spread across a number of subcategories, comparable to company Intelligence, utility Server, Cloud utility, records Integration, id management, mobile, Java, Oracle Fusion Middleware structure tools and more. Java and Middleware credentials characterize utter stages of the Oracle Certification software — affiliate, skilled and so on — and comprise Java Developer, Java Programmer, device Administrator, Architect and Implementation expert.
The tremendously common Java category has certifications for Java SE (typical edition), and Java EE (enterprise version) and net functions. a number of Java certifications that require a prior certification accept either the corresponding solar or Oracle credential.Oracle working programs Certifications
The Oracle working systems certifications consist of Linux and Solaris. These certifications are geared towards administrators and implementation specialists.
The Linux 6 certifications comprise OCA and OCP Linux 6 gadget Administrator certifications, in addition to an Oracle Linux licensed Implementation specialist certification. The Linux 6 specialist is geared to companions but is open to utter candidates. both the Linux OCA and professional credentials require a separate exam. To obtain the OCP, candidates need to first deserve both the OCA Linux 5 - 6 gadget Administrator or OCA Linux Administrator (now retired) credential, plus pass an exam.
The Solaris 11 certifications comprise the OCA and OCP device Administrator certifications as well as an Oracle Solaris 11 installation and Configuration licensed Implementation specialist certification. The OCA and OCP Solaris eleven device Administrator certifications identify Oracle Solaris eleven administrators who've basic capabilities of and base-degree skills with the UNIX operating equipment, instructions, and utilities. As indicated by using its identify, the Implementation professional cert identifies intermediate-stage implementation team members who installation and configure Oracle Solaris eleven.Oracle methods Certifications
Oracle's programs certifications consist of Engineered systems (massive information equipment, Exadata, Exalogic Elastic Cloud, Exalytics, and personal Cloud appliance), Servers (Fujitsu and SPARC) and Storage (Oracle ZFS, Pillar Axiom, Tape Storage, glitter Storage equipment). every one of these certifications are geared towards individuals who sell and reserve into outcome some of the particular solutions. The Exadata certification subcategory additionally includes Oracle Exadata X3, X4 and X5 knowledgeable Administrator certifications for people who administer, configure, patch and monitor the Oracle Exadata Database desktop platform.Oracle Virtualization Certifications
The Virtualization certifications cover Oracle digital machine (VM) Server for X86. Oracle presents two certified Implementation consultants credentials, one targeting Oracle VM 3.0 for X86 and the other concentrated on VM 2.0 for X86. each expert credentials admire individuals who sell and reserve into outcome Oracle VM options.
The Oracle VM three.0 for x86 licensed Implementation specialist Certification is geared toward the intermediate-degree crew member who's knowledgeable in installation OVM three.0 Server and OVM 3.0 supervisor components, discovering OVM Servers, configuring community and storage repositories and extra. Candidates attracted to the VM 2.0 credential may soundless subsist watchful that the examination retires on may 31, 2018.connected Jobs and Careers
The sheer breadth and depth of Oracle's certification software is rife with desultory for experts who are looking to work with Oracle applied sciences, or who already accomplish and want their potential to subsist diagnosed and validated. despite the fact there are many inescapable Oracle products to specialize on in varying capacities, the main job roles are directors, architects, programmers/builders and implementation specialists.
every traffic that runs Oracle Database, Oracle Cloud, Oracle Linux or Solaris, Oracle working programs and the like wants certified administrators to installation, keep, monitor and troubleshoot these options. They besides want architects to intent and design solutions that meet traffic wants and are applicable to the inescapable environments through which they’re deployed.
On the progress front, ComputerWorld indicates that programmers and developers continue to subsist "main gamers within the IT world." That journal ranks linked talents as the most sought-after by means of hiring managers in 2017, tied with support desk help. (Database administration is never a long way in the back of.) a short search on indeed.com outcomes in over 12,000 hits for "Oracle developer," which is a very distinguished indication of both want and desire. now not only accomplish developers create and modify Oracle utility, they regularly must recognize a way to design utility from the bottom up, kit items, import statistics, write scripts and foster studies.
and naturally, Oracle and its companions will always want implementation experts to sell and set up the company's solutions. This role is customarily accountable for tasks that need to subsist achieved to win an reply up and running in a client's ambiance, from creating a challenge intent and agenda, to configuring and customizing a device to in shape customer requirements.Oracle training and substances
it's now not staggering that Oracle has an intensive library of examination practise materials. verify the Oracle college site (schooling.oracle.com) for fingers-on instructor-led practising, digital classes, practising on demand, exam training seminars, drill exams and different working towards resources.
A candidate's ultimate wager, despite the fact, is to first opt for a certification path and then observe the links on the Oracle web page to the required examination(s). If practicing is informed or further substances are available for a specific examination, Oracle lists them on the examination page.
an extra distinguished useful resource is the Oracle gaining erudition of Paths net web page, which gives a lengthy list of Oracle product-related job roles and their informed classes.
In structure for roughly four years, Oracle Database 12c introduces so many vital new capabilities in so many areas -- database consolidation, query optimization, performance tuning, lofty availability, partitioning, backup and recovery -- that even a lengthy review has to prick corners. however, besides covering the big-ticket items, i may give a couple of the lesser enhancements their due.
Having worked with the beta for a lot of months, i will subsist able to inform you that the pleasant of software is besides astounding, birth with a spotless RAC cluster installation. as with any new utility unlock, I did achieve upon just a few minor bugs. optimistically these were resolved in the creation unlock that arrived the previous day.
[ besides on InfoWorld: NoSQL is no Oracle killer | Which freaking database should I expend | Fundamental Oracle flaw revealed | win a digest of the key stories each day in the InfoWorld Daily newsletter. ]
Pluggable databases Consolidation is a crucial traffic strategy to prick back the charges of infrastructure and operational expenses. in many construction database servers, a huge portion of CPU cycles whisk unused. by means of consolidating many databases into fewer database servers, each the hardware and operational staff can besides subsist extra comfortably utilized.
however database consolidation is easier pointed out than executed. crucial issues equivalent to database workload traits, the means to maintain performance carrier ranges, and aspect-in-time recovery wants of different databases occupy to subsist considered during consolidation efforts. Ideally, consolidation would no longer handiest in the reduction of the need to purchase and usurp much less actual CPU, RAM, and that i/O (as a result of physical servers are underutilized), however would besides reduce genuine useful resource consumption (as a result of varied cases participate some overhead). however, in the past, now they occupy seen that co-locating databases physically in the same server doesn't reduce ordinary aid utilization.
Oracle's new pluggable database office reduces the desultory of consolidation since the DBA can with ease plug or unplug an current database to or from a container database. There is no deserve to change any code within the application. When the user connects to a plugged database, the database atmosphere looks precisely as if the consumer had connected to a traditional database.
further, pluggable databases accomplish lower useful resource consumption. recollection and processes are owned through the container database and shared by means of utter pluggable databases, enhancing resource usage standard. it's additionally effortless to unplug a database and transmogrify the pluggable database to a traditional database if required. additionally, that you could returned up and recuperate pluggable databases independently of the container database; which you could besides fulfill a degree-in-time healing of a pluggable database. additional, resource supervisor may besides subsist used to control materials consumed by a pluggable database.
briefly, database consolidation can subsist achieved much greater easily with pluggable databases than ever earlier than. at last, they now occupy a true cloud database.
Optimizer elements edition 12c introduces just a few valuable SQL Optimizer elements, and almost utter these are automatically enabled.
despite the fact Optimizer has matured over the years, it remains no longer wonderful for Optimizer to select an inefficient execution intent as a result of flawed cardinality estimates, invalid facts, or even stale information. this may occupy dire outcomes. A SQL observation estimated to dash for a few seconds might grasp hours to execute if the chosen execution intent isn't greatest.InfoWorld Scorecard
average ranking (one hundred%)Oracle Database 12c 9.0 9.0 9.0 8.0 eight.0 8.7
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Oracle offers a legion of hardware and software solutions designed to simplify IT. Perhaps best known for its premier database software, the company besides offers cloud solutions, servers, engineered systems, storage and more. Oracle has more than 430,000 customers in 175 countries, about 138,000 employees and exceeds $37.7 billion in revenues.
Over the years, Oracle has developed an extensive certification program. Today, it includes six certification levels that span nine different categories with more than 200 individual credentials. Considering the depth and breadth of this program, and the number of Oracle customers, it's no flabbergast that Oracle certifications are highly sought after.Oracle Certification Program Overview
Oracle's certification program is divided into these nine primary categories:
Additionally, Oracle's credentials are offered at six certification levels:
Most Oracle certification exams are proctored, cost $245, and hold a fuse of scored and unscored multiple-choice questions. Candidates may grasp proctored exams at Pearson VUE, although some exams are offered at Oracle Testing Centers in inescapable locations. Some exams, such as Oracle Database 12c: SQL Fundamentals (1Z0-061) and Oracle Database 11g: SQL Fundamentals (1Z0-051), are besides available non-proctored and may subsist taken online. Non-proctored exams cost $125. Check the Oracle University Certification website for details on specific exams.Oracle Applications and Cloud Certifications
The Oracle Applications certification category offers more than 60 individual credentials, covering 13 products or product groups, such as Siebel, E-Business Suite, Hyperion, JD Edwards EnterpriseOne and PeopleSoft. The majority of these certifications apply to Certified Implementation Specialists for some specific application, with various Certified Expert credentials besides available. The Application certifications are geared toward individuals with expertise in selling and implementing specific Oracle solutions.
Oracle's newest certification category is Oracle Cloud, which covers Java Cloud as well as a number of Oracle Cloud certifications, including Oracle Database Cloud. Credentials are offered in seven sub-categories:
These credentials recognize individuals who deploy applications, fulfill administration or deliver customer solutions in the cloud. Credentials mostly comprise Associate and Certification Implementation Specialists, with one Mobile Developer credential offered plus a Professional-level Oracle Database Cloud Administrator.Oracle Database Certifications
Certifications in Oracle's Database category are geared toward individuals who develop or work with Oracle databases. There are three main categories: Database Application Development, MySQL and Oracle Database.
Note: Oracle Database 12c was redesigned for cloud computing (and is included in both the Cloud and Database certification categories). The current version is Oracle Database 12c R2, which contains additional enhancements for in-memory database and multitenant architecture. MySQL 5.6 has been optimized for performance and storage, making it capable of handling bigger data sets. Whenever a significant version of either database is released, Oracle updates its certifications exams over time. If an exam isn't available for the latest database release, candidates can grasp a previous version of the exam and then an update exam when it becomes available.
Oracle currently offers the Oracle Database Foundations Certified Junior Associate, Oracle Certified Associate (OCA), Oracle Certified Professional (OCP), Oracle Certified Master (OCM), Oracle Certified Expert (OCE) and Specialist paths for Oracle Database 12c. In addition, Oracle offers the OCA credential for Oracle Database 12c R2 and an upgrade path for the OCP credential. Because many of these certifications are highly celebrated within the Oracle Certification Program, they provide additional exam details and links in the following sections.Other Various Database Certifications Oracle Enterprise Management Certifications
The Enterprise Management certifications cover Oracle Enterprise Manager.
The Oracle Enterprise Manager 11g Certified Implementation Specialist certification is geared toward Oracle PartnerNetwork members but is available to utter candidates. This certification recognizes professionals who implement Oracle Enterprise Manager. You must pass one exam (1Z0-530) to obtain this certification. Interested candidates should note that this exam is slated to retire on May 31, 2018.
The Oracle Enterprise Manager 12c Certified Implementation Specialist exam (1Z0-457) covers more management functions (for applications, databases, middleware, systems and storage in various environments). In addition, it covers architecture, installation and deployment, implementation and support, reporting and extensibility.Oracle Database Foundations Certified Junior Associate
The Oracle Database Foundation Certified Junior Associate credential targets individuals who occupy participated in the Oracle Academy program through a college or university program, computer science and database teachers, and individuals studying databases and computer science. As a novice-level credential, the Certified Junior Associate aims at individuals with limited hands-on undergo working with Oracle Database products. To deserve the credential, candidates must pass the Oracle Database Foundations (novice-level exam) (1Z0-006).Oracle Certified Associate (OCA) -- Oracle Database 12c Administrator
The OCA certification measures the day-to-day operational management database skills of DBAs. Candidates must pass a SQL exam and another on Oracle Database administration. Candidates can choose one of the following SQL exams:
Candidates must besides pass the Oracle Database 12c: Installation and Administration (1Z0-062) exam.Oracle Certified Associate -- Oracle Database 12cR2 Administrator
To deserve the Oracle Database 12cR2 OCA credential, candidates must first deserve either the Oracle Database SQL Certified Associate, Oracle Database 11g Administrator Certified Associate, or the Oracle Database 12c Administrator Certified Associate. In addition, candidates are required to pass the Oracle Database 12cR2 Administration exam (1Z0-072).Oracle Certified Professional (OCP) -- Oracle Database 12c Administrator
The OCP certification covers more advanced database skills. You must occupy the OCA Database 12c Administrator certification, complete the required training, complete a course submission profile and pass the Oracle Database 12c: Advanced Administration (1Z0-063) exam.
Professionals who possess either the Oracle Database 11g Administrator Certified Professional or Oracle Database 12c Administrator Certified Professional credential may upgrade to the Oracle Database 12cR2 Administration Certified Professional credential by passing the Oracle DBA upgrade exam (1Z0-074).Oracle Certified Master (OCM) -- Oracle Database 12c Administrator
To achieve OCM Database 12c Administrator certification, you must occupy the OCP Database 12c Administrator certification, complete two advanced courses, and pass the Oracle Database 12c Certified Master Exam (12COCM), complete the course submission form, and submit the Fulfillment Kit request.
Oracle besides offers the Oracle Database 12c Maximum Availability Certified Master certification, which requires three sever credentials, including the Oracle Database 12c Administrator Certified Master, Oracle Certified Expert, Oracle Database 12c-RAC and Grid Infrastructure Administration, and Oracle Certified Expert, Oracle Database 12c – Data Guard Administration.Oracle Certified Expert (OCE) -- Oracle Database 12c
The OCE Database 12c certifications comprise Maximum Availability, Data Guard Administrator, RAC and Grid Infrastructure Administrator, and Performance Management and Tuning credentials. utter these certifications require prerequisite certifications. Performance Management and Tuning takes the OSP Database 12c as a prerequisite, while Data Guard Administrator candidates occupy the choice of earning either the OCP Database 12c or 11g credential. The RAC and Grid Infrastructure Administrator provides candidates the most flexibility, allowing candidates to choose from the OCP Database 11g, OCP Databases 12c, Oracle Certified Expert – true Application Clusters 11g and Grid Infrastructure Administration, or OCE Database 10g true Applications Clusters Administration.
Once the prerequisite credentials are met, candidates can then achieve Data Guard Administrator, RAC and Grid Infrastructure Administrator or Performance Management and Tuning by passing one exam. Achieving OCP 12c plus the RAC and Grid Infrastructure Administration and Data Guard Administration certifications earns the Maximum Availability credential.Oracle Database Certified Implementation Specialist
Oracle besides offers three Certified Implementation Specialist credentials: the Oracle true Application Clusters 12c, Oracle Database Performance and Tuning 2015, and Oracle Database 12c. Specialist credentials target individuals with a background in selling and implementing Oracle solutions. Each of these credentials require candidates to pass a separate exam to deserve the designation.Oracle Industries Certifications
Oracle Industries is another sizeable category, with more than 25 individual certifications focused on Oracle software for the construction and engineering, communications, health sciences, insurance, tax and utilities industries. utter these certifications are Certified Implementation Specialists for the various Oracle industry products, which means they identify individuals who are expert in implementing and selling industry-specific Oracle software.Oracle Java and Middleware Certifications
The Java and Middleware certifications are spread across several subcategories, such as traffic Intelligence, Application Server, Cloud Application, Data Integration, Identity Management, Mobile, Java, Oracle Fusion Middleware progress Tools and more. Java and Middleware credentials portray utter levels of the Oracle Certification Program — Associate, Professional and so on — and comprise Java Developer, Java Programmer, System Administrator, Architect and Implementation Specialist.
The highly celebrated Java category has certifications for Java SE (Standard Edition), and Java EE (Enterprise Edition) and Web Services. Several Java certifications that require a prior certification accept either the corresponding Sun or Oracle credential.Oracle Operating Systems Certifications
The Oracle Operating Systems certifications comprise Linux and Solaris. These certifications are geared toward administrators and implementation specialists.
The Linux 6 certifications comprise OCA and OCP Linux 6 System Administrator certifications, as well as an Oracle Linux Certified Implementation Specialist certification. The Linux 6 Specialist is geared to partners but is open to utter candidates. Both the Linux OCA and Specialist credentials require a separate exam. To achieve the OCP, candidates must first deserve either the OCA Linux 5 or 6 System Administrator or OCA Linux Administrator (now retired) credential, plus pass an exam.
The Solaris 11 certifications comprise the OCA and OCP System Administrator certifications as well as an Oracle Solaris 11 Installation and Configuration Certified Implementation Specialist certification. The OCA and OCP Solaris 11 System Administrator certifications identify Oracle Solaris 11 administrators who occupy fundamental erudition of and base-level skills with the UNIX operating system, commands, and utilities. As indicated by its name, the Implementation Specialist cert identifies intermediate-level implementation team members who install and configure Oracle Solaris 11.Oracle Systems Certifications
Oracle's Systems certifications comprise Engineered Systems (Big Data Appliance, Exadata, Exalogic Elastic Cloud, Exalytics, and Private Cloud Appliance), Servers (Fujitsu and SPARC) and Storage (Oracle ZFS, Pillar Axiom, Tape Storage, glitter Storage System). Most of these certifications are geared toward individuals who sell and implement one of the specific solutions. The Exadata certification subcategory besides includes Oracle Exadata X3, X4 and X5 Expert Administrator certifications for individuals who administer, configure, patch and monitor the Oracle Exadata Database Machine platform.Oracle Virtualization Certifications
The Virtualization certifications cover Oracle Virtual Machine (VM) Server for X86. Oracle offers two Certified Implementation Specialists credentials, one targeting Oracle VM 3.0 for X86 and the other focused on VM 2.0 for X86. Both specialist credentials recognize individuals who sell and implement Oracle VM solutions.
The Oracle VM 3.0 for x86 Certified Implementation Specialist Certification is geared toward the intermediate-level team member who is expert in installing OVM 3.0 Server and OVM 3.0 Manager components, discovering OVM Servers, configuring network and storage repositories and more. Candidates interested in the VM 2.0 credential should note that the exam retires on May 31, 2018.Related Jobs and Careers
The sheer breadth and depth of Oracle's certification program is rife with break for professionals who want to work with Oracle technologies, or who already accomplish and want their skills to subsist recognized and validated. Although there are many specific Oracle products to specialize on in varying capacities, the main job roles are administrators, architects, programmers/developers and implementation specialists.
Every company that runs Oracle Database, Oracle Cloud, Oracle Linux or Solaris, Oracle operating systems and so on needs qualified administrators to deploy, maintain, monitor and troubleshoot these solutions. They besides need architects to intent and design solutions that meet traffic needs and are usurp to the specific environments in which they’re deployed.
On the progress front, ComputerWorld indicates that programmers and developers continue to subsist "leading players in the IT world." That magazine ranks associated skills as the most sought-after by hiring managers in 2017, tied with support desk support. (Database administration isn't far behind.) A quick search on Indeed.com results in over 12,000 hits for "Oracle developer," which is a distinguished indication of both need and desire. Not only accomplish developers create and modify Oracle software, they often must know how to design software from the bottom up, package products, import data, write scripts and develop reports.
And of course, Oracle and its partners will always need implementation specialists to sell and deploy the company's solutions. This role is typically accountable for tasks that must subsist accomplished to win a solution up and running in a client's environment, from creating a project intent and schedule, to configuring and customizing a system to match client specifications.Oracle Training and Resources
It's not surprising that Oracle has an extensive library of exam preparation materials. Check the Oracle University website (education.oracle.com) for hands-on instructor-led training, virtual courses, training on demand, exam preparation seminars, drill exams and other training resources.
A candidate's best bet, however, is to first choose a certification path and then ensue the links on the Oracle website to the required exam(s). If training is recommended or additional resources are available for a particular exam, Oracle lists them on the exam page.
Another distinguished resource is the Oracle Learning Paths web page, which provides a lengthy list of Oracle product-related job roles and their recommended courses.
The introduction of the Oracle Grid Infrastructure product essentially combines Automatic Storage Management (ASM) and Oracle Clusterware into the same oracle home and product. With this new configuration, five main changes occupy been incorporated into Oracle Database 11g RAC. Read on to learn more.
With the release of Oracle Database 11g R2 a fundamental change was made that impacts a true Application Cluster (RAC) based system. The understanding of these changes is the introduction of the Oracle Grid Infrastructure product, which essentially combines Automatic Storage Management (ASM) and Oracle Clusterware into the same oracle home and product.
ASM was previously incorporated into the Oracle Database home and binaries, and Oracle Clusterware was a stand-alone product installed with its own home and binaries.
With this new configuration, five main changes occupy been incorporated into Oracle Database 11g RAC. These changes comprise installing and working with Grid Infrastructure, which includes setting up and configuring ASM; separate Client Access Names (SCAN), RAC One Node, Automatic Workload Balancing and the ASM Cluster File System (ACFS).Single Client Access appellation (SCAN)
SCAN simplifies the activities involved in adding and removing nodes from a RAC environment by configuring a separate connection setting for utter clients to expend when connecting to a RAC database. Connections expend EZconnect methodology to connect to the database regardless of which host machines the instances are currently running on.
For more information on separate Client Access Names you can view my article on SCAN by clicking here separate Client Access NameRAC One Node
RAC One Node is a feature available with Oracle 11gR2 that essentially allows you to dash a separate instance database in a cluster and grasp odds of the lofty availability and failover capabilities of Oracle RAC.
The database needs to subsist built as a "RAC" database, however, rather than selecting multiple nodes when running DBCA, the DBA would select to occupy only one node running one instance for the database.
If anything happens, the separate instance can subsist migrated over to another node on the existing cluster. Even sessions can subsist automatically failed over to the new instance if Transparent Application Failover has been configured.
On Linux, a patch may need to subsist applied to the Oracle home prior to structure the database. (RACONENODE_p9004119_112010_LINUX.zip). For more information on managing a RAC One Node Database, survey Administering Oracle RAC One Node.Oracle Grid Infrastructure
The Oracle Grid Infrastructure is a sever set of binaries from the Oracle Database software. It incorporates volume management functionality, file system functionality and the cluster management software. Essentially, Oracle Grid Infrastructure combines three products into one separate Oracle Home. These three pieces are Oracle Clusterware, Automatic Storage Management (ASM) and the ASM Cluster File System (ACFS). In previous releases, Oracle Clusterware and ASM were installed into sever Oracle homes. ASM was included as piece of the Oracle Database binaries, and Oracle Clusterware was a sever install. ACFS is new in Oracle 11g R2.
The Clusterware component of the Grid Infrastructure includes Cluster Management Services (known as Cluster Ready Services (CRS) in previous releases) and lofty Availability Services for both Oracle and other third party products. Installing Oracle Clusterware is a prerequisite activity for working with Oracle RAC.
Starting with Oracle 11g R2, ASM disks can subsist used for the clusterware files (OCR and voting disk). In previous releases, the OCR and Voting disk files had to subsist on raw partitions or a sever cluster file system.
ACFS is a common cluster file system that can subsist used for any kind of data files.
The combination of these three components of the Oracle Grid Infrastructure now provides the primary foundation for Oracle 11g R2 RAC databases.
The six primary functions of Oracle Clusterware are Cluster Management, Node Monitoring, Event Services, Network Management, Time Synchronization and lofty Availability.
Cluster Management allows the cluster resources (such as databases, instances, listeners, services, etc.) to subsist monitored and managed from any node that is piece of the defined cluster.
Node Monitoring is the "heartbeat" check of the nodes (and the resources running on them) to compose certain they are available and functioning properly.
Event Services is the lofty availability messaging and response functionality for RAC.
Network Management involves managing the Virtual IP (VIP) addresses that are associated with the cluster and provides the consistent access to the RAC database regardless of the systems hosting it.
Time Synchronization is a new feature in Oracle 11g R2 that automatically synchronizes the timestamps of utter of the nodes in the cluster. In previous releases, third party tools were generally used. Time Synchronization can subsist used in observer mode (if a Network Time Protocol is already in place) or lively mode where one node is designated as the master node and utter of the others are synchronized to it.
High Availability services monitor and restart any of the resources being managed by Oracle Clusterware.
For additional information about installing the Oracle Grid Infrastructure on Linux, survey the Oracle Grid Infrastructure Installation Guide,Automatic Workload Management (Policy Managed Databases)
In prior releases of Oracle RAC, the DBA would explicitly manage which nodes of a cluster would subsist used to dash the various instances associated with a RAC database. Additionally, database services would subsist manually configured with preferred and available nodes, which facilitated the balancing of connections and failover of the services in a RAC environment.
In Oracle Database 11 g R2, a DBA can now configure a feature called policy-based management. This involves defining a server pool with the options of a minimum number of servers, a maximum number of servers and an import level. The database itself would then subsist associated with a server pool rather than a specific set of nodes. This would allow Oracle to dynamically deliver services based on the total resources available to the cluster.
For example, if a cluster consisted of eight nodes in total and supported three RAC databases. Each database would subsist defined with a minimum and maximum number of servers. Let's assume that DB1 is defined with a minimum of 4 and a maximum of 6 with an import of 10, DB2 is defined with a minimum of 2 and maximum of 3 and an import of 7, and DB3 is set to a minimum of 2 and maximum of 3 with an import of 5.
Initially the 8 nodes could subsist configured as nodes 1-4 allocated to DB1, nodes 5-6 allocated to DB2 and nodes 7-8 allocated to DB3. If node 3 failed for some reason, the system would usurp node 7 or 8 to DB1 because it has a higher import than DB3 and a minimum requirement of 4 servers, even though it would understanding DB3 to descend below the minimum number of servers. If node 3 is re-enabled it would subsist allocated immediately to DB3 to bring that database back to its minimum required servers.
If a 9th node were added to the cluster, it would subsist assigned to DB1 because of the import factor and the fact that DB1 has not yet hit its maximum number of servers.
For more information on policy-managed databases, survey the Oracle true Application Clusters Administration and Deployment Guide.ASM Cluster File System (ACFS)
ACFS is a multi platform cluster file system that has been designed to dash on any platform that is supported by ASM rather than being specific to any one platform as some of the third party products are.
ACFS uses a file kind called a dynamic volume, which can subsist used as a volume for a regular file system. The ASM Dynamic Volume Manager provides the interface between the dynamic volumes and the ACFS.
ACFS besides provides a snapshot utility that does version enabling of the file system. These snapshots are online point-in-time copies of the ACFS. The storage for the snapshots is managed within ACFS and is very space efficient. Before any file is modified in ACFS, a copy is saved as a snapshot. The snapshot copies are designed to only capture the changed data. Snapshots can besides subsist created on claim to provide consistent views of the ACFS system.
While ACFS can subsist used to store most files associated with Oracle, it must subsist eminent that the Oracle Grid Infrastructure binaries themselves cannot subsist stored in ACFS. They must subsist installed locally on each node in the cluster.
All of the necessary services to manage ACFS systems are automatically managed by Oracle Clusterware. survey the Oracle Automatic Storage Management Administrator's pilot for more information about ACFS.Conclusion
Overall, since first releasing true Application Clusters back with Oracle Database 9i it has been their premier lofty availability solution for databases. They occupy continued to add functionality and improvements over the Oracle releases since that date, and Oracle 11G R2 is no exception.
» survey utter Articles by Columnist Karen Reliford
This article is a follow-up for the article “Discovering Entities for Oracle Infrastructure Monitoring — Part I”, Here they will focus how to create the user to monitor the Oracle database from OMC and in detail, they will now review how to enable licensing and finally they will fulfill crosscheck operations of the target components.
We are going to cover below subtopics
In this phase, they will fulfill prerequisites of RAC Database entity of Oracle Management Cloud. In Enterprise Manager, they accomplish expend monitoring credentials DBSNP likewise to add and monitor the entity they may create exclusively another monitoring user in the database.
Create Monitoring Credentials for Oracle Database
We are going to create the user “OCMMON” — this user job is to only monitor Oracle Database. Initially login to the database host with oracle user or owner of the Oracle RDBMS and then execute the script to set up the MONCS user. This script will create a user and as well as grants the required roles and privileges for Infrastructure Monitoring
Access to the location cd /u01/app/OMC/omcagent/plugins/oracle.em.sgfm.zip/1.35.0/scripts and then run ./grantPrivilegesMonSvc.sh shell script as below. In case of RAC database this script they can dash any one of the nodes.
In the process of user creation, It automatically detects CDB/PDB and will add c## prefix if required.
Above they occupy created credentials for Oracle Database monitoring and now they will vouchsafe few permissions needed for both monitoring and for the data collection/Analytics.
Note: If the DBSNMP user is already available, then these roles are not required. DBSNMP user has utter the roles and privileges for the database monitoring and for Oracle IT analytics data.
To vouchsafe the roles/privileges login to the database host as the OS software owner (eg. Oracle) and execute the script to set up the MONCS user.Granting roles/privs for IT Analytics
Add Oracle RAC Database Entity
We occupy performed utter he prerequisites for the Oracle Database Entity and now they will add the entity to the OMC. Navigate to “OMC Console URL à Administrationà Discovery à Add Entity”Add entity from OMC console
In the “Add Entity” profile and complete the below fields to process the entity to subsist added to OMC.
After submitting the request to add the database to the OMC for the monitoring, they can survey the status of the database with various options such as configuration, performance monitoring, and troubleshooting.Oracle RAC Database Members Entities Information Cluster Database Infra diagram Members of the Oracle RAC Database Enabling Licenses for the Entity
After adding the entity, now they will enable monitoring, or they will enable OMC licensing for the entities they occupy added. Until unless they own the licensing for the entity the targets will not collect the data, or they cannot monitor the targets. Navigate to the entity’s configuration as “From Hamburger menu, whisk to Administration → Drill into Entities Configuration → select Licensing → Select Entities”Click on the Entities Number (ex: 10) Select the entities to be enabled Mark entities to “Set utter to Enterprise” License Status of Entities A basic review of the Database Properties
From the Database entity, they can survey various tabs associated with the database. Each page will give wealthy of information such as “Configuration” — it will fetch utter the database related information and in a separate page with one shot.Oracle RAC Database Entity Configuration
In the performance table tab, they can view most of the DBA Daily activities including with various other performance metrics such as top wait events, latency and etc.Performance Table of Oracle RAC Database Performance analysis for Oracle RAC Database Validate the Entities
Now they occupy enabled licensing for utter entities by selecting Licence Edition to “Set utter to Enterprise” and click on rescue button. As soon as after this step they shall subsist able to monitor, troubleshoot, review of configuration is easily accessible. They will walk through to monitoring page to view the entities status. “Hamburger menu à Monitoring” authenticate Entity has now been enabled in monitoring page.Enterprise Summary
After collecting the data through an agent and now it should shove the alerts from utter the entities which they enabled licensingStatus’s, Alerts and Metrics.
To review utter the entities status they can view from the “Entities” option — it will note the statuses of utter the targets.Status of utter the Entities
Verify the Clusterware Configuration
In this section they will verify the configuration of Oracle Clusterware and besides overall the agent status after adding entity for the Oracle RAC Database.[oracle@racdb1 ~]$ cat /etc/oraInst.locinventory_loc=/u01/app/oraInventoryinst_group=oinstall [oracle@racdb1 ~]$ cat /u01/app/oraInventory/ContentsXML/inventory.xml |grep -i CRS=\”true\”<HOME NAME=”OraGrid18000" LOC=”/u01/app/184.108.40.206/grid” TYPE=”O” IDX=”1" CRS=”true”/> [oracle@racdb1 ~]$ cat /etc/init.d/init.ohasd |grep “^ORA_CRS_HOME”ORA_CRS_HOME=/u01/app/220.127.116.11/grid [oracle@racdb1 ~]$ /u01/app/18.104.22.168/grid/bin/olsnodes -cRacdb Configuration of Scan Verify the SCAN (Listener) Port Verify ASM Cluster Listener and Port Agent Status
In short, they occupy performed utter the prerequisites for the Oracle RAC Databases entity by creating user and granting necessary roles/privileges for the IT Analytics, after that they occupy added the Oracle RAC database entity to OMC and enabled licenses for the Oracle RAC Database monitoring and finally they occupy verified utter the Clusterware configuration including the agent status with step by step instructions.Authors Bio
Nassyam Basha is a Database Administrator. He has around ten years of undergo as a Production Oracle DBA, currently working as Database Expert with eProseed KSA. He holds a master’s degree in Computer Applications from the University of Madras. He is an Oracle 11g Certified master an Oracle ACE Director. He actively participates in Oracle-related forums such as OTN with a status of Super Hero, Oracle support awarded as “Guru” and acting as OTN Moderator and written numerous articles with OTN and on Toad World. He maintains an Oracle technology-related blog, www.oracle-ckpt.com and can subsist reached at https://www.linkedin.com/in/nassyambasha/
Monowar Mukul is currently working as a Principal Oracle Database Specialist. I am an Oracle certified Master (Oracle 12c Certified Master Administration, Oracle 12c Certified Master MAA and Oracle 11g Certified Master Administration). He has been working as an Oracle DBA consultant over 17 years with Oracle MAA space for both Exadata and non-Exadata Systems, Oracle Cloud Space and SOA Middleware. He worked across various traffic sectors including tertiary education, energy, government, mining and transport in Australia. He demonstrated highly developed censorious thinking and analytical skills working as a Principal Oracle Database Specialist. You can find more details about him and his work achievements at https://www.linkedin.com/in/monowarmukul/
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P&C [2 Certification Exam(s) ]
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