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Oracle JDeveloper is an integrated construction ambiance (IDE) for Java. JDeveloper moreover gives aid for a number of different elements, together with the software evolution Framework (ADF), JDBC database connectivity, and XML processing. Oracle Database is the most universal relational database management materiel (RDBMS). In two tutorials, they shall focus on the usage of JDeveloper with Oracle Database 11g. This tutorial has the following sections:
surroundings the atmosphere
down load and set up here software:
Oracle JDeveloper 12c
Oracle Database 11g
Set or alter the atmosphere variables listed in desk 1.
The directory by which Oracle Database is set in. The listing could be sunder in line with the directory wherein Oracle Database is set in and moreover in accordance with the Oracle Database edition used.
The listing in which the community admin configuration info (LISTENER.ora, sqlnet.ora, and tnsnames.ora) can be found.
Add the Oracle Database 11g bin directory. The bin directory has the SQL*Plus command line customer utility sqlplus.exe.
desk 1: atmosphere Variables
Configuring Connection Parameters
in addition to surroundings the environment variables listed in the preceding section, they deserve to configure the network admin configuration info (LISTENER.ora and tnsnames.ora). To the tnsnames.ora file, add a carrier descriptor for the Oracle Database 11g XE carrier as follows.
Having installed the software, set the environment variables, and configured the network configuration information, subsequent they shall create a connection in JDeveloper. Launch JDeveloper and select a assignment from the opt for office window, as shown in determine 1. The Studio Developer office includes bar not a soul facets, but if only database connectivity is to be used, opt for the Database Developer, office as shown in design 1.
figure 1: picking the Database Developer role
To create a current database connection, launch the Create Database Connection wizard. several options are available to launch the connection wizard. One alternative is select current application, as proven in determine 2.
figure 2: identifying current software
the brand current application launches the brand current Gallery wizard, as shown in design 3. select standard>Connections in categories and Database Connection in objects.
determine 3: picking out Database Connection in current Gallery Wizard
one of the crucial different options to launch the current Gallery wizard encompass picking out File>New>software, as proven in determine four. alternatively, select File>New>From Gallery…, additionally proven in design four.
figure four: selecting File>New>application
On choosing Database Connection in current Gallery, the Create Database Connection wizard receives launched, as proven in determine 5. Specify a Connection identify (OracleDBConnection) and select Connection category as Oracle (JDBC). Specify Username as SYS and moreover specify the Password for the SYS user. The SYS person ought to connect as SYSDBA function. opt for role as SYSDBA.
figure 5: Create Database Connection Wizard
select the default Oracle (JDBC) Settings, which encompass Driver as thin, Host designation as localhost, SID as XE and JDBC Port as 1521. click eye at various Connection (see determine 6) to test the connection.
figure 6: eye at various Connection
The output from check Connection should noiseless be Success, as proven in design 7. click on ok to complete the connection.
determine 7: finishing Connection Configuration
a brand current connection receives created, as shown in design 8.
figure 8: current Connection delivered
The auto-commit office commits bar not a soul database transactions immediately, with out requiring an express commit. The auto commit is enabled by using default. The auto commit setting is accessed/configured through deciding upon equipment>Preferences, as shown in design 9.
figure 9: choosing equipment>Preferences
in the Preferences dialog, select Database>superior, as shown in design 10, and select the Autocommit checkbox if no longer already selected.
determine 10: Autocommit setting
making a desk
subsequent, create an illustration database desk. Two alternate options are available to create a brand current table:
Run a SQL Script in a SQL Worksheet
Use the brand current table wizard
we will employ the current table wizard. The Tables node for the connection lists the tables within the database (see design eleven).
figure eleven: Tables
To create a brand current desk, appropriate-click the Tables node and select current table, as shown in design 12.
determine 12: Tables>New table
The Create table wizard gets launched, as proven in design 13.
figure 13: Create desk wizard
next, create a brand current desk referred to as WLSLOG with columns TIME_STAMP,category,classification,SERVERNAME,CODE and MSG. modify the default column COLUMN1 to TIME_STAMP, as shown in determine 14, and set the column as a chief key column. opt for facts classification as VARCHAR2 and set size (255). select the now not Null checkbox to invent the column as no longer nullable. click Add Column, as proven in determine 14, to add a further column.
determine 14: adding a Column
Add one column at a time. bar not a soul the columns brought are proven in determine 15. click on Good enough.
determine 15: bar not a soul columns added
The DDL tab displays the DDL used to create the brand current desk (see design sixteen). Good enough may well be selected from either the desk tab or the DDL tab.
determine sixteen: DDL
the brand current desk WLSLOG receives created. the current desk gets listed within the Tables node. To record handiest the current desk, right-click Tables and select Filter, as shown in design 17.
determine 17: deciding upon Tables>Filter
In Filter Tables, specify Filter as WLSLOG% and click ok, as shown in design 18.
determine 18: Filter Tables
The WLSLOG desk receives listed, as proven in design 19.
determine 19: WLSLOG table
Double-click on the WLSLOG table to parade its structure, as shown in determine 20.
figure 20: WLSLOG desk constitution
including desk records
subsequent, add the records listed to the WLSLOG table.
Apr-8-2014-7:06:16-PM-PDT notice WebLogicServer AdminServer
BEA-000365 Server state changed to STANDBY
Apr-eight-2014-7:06:17-PM-PDT be conscious WebLogicServer AdminServer
BEA-000365 Server state modified to startingApr-8-2014-7:06:18-PM-PDT be conscious WebLogicServer AdminServer
BEA-000365 Server state modified to ADMIN
Apr-8-2014-7:06:19-PM-PDT be conscious WebLogicServer AdminServer
BEA-000365 Server state modified to RESUMING
Apr-8-2014-7:06:20-PM-PDT be conscious WebLogicServer AdminServer
BEA-000331 started WebLogic AdminServer
Apr-8-2014-7:06:21-PM-PDT celebrate WebLogicServer AdminServer
BEA-000365 Server state modified to working
Apr-eight-2014-7:06:22-PM-PDT celebrate WebLogicServer AdminServer
BEA-000360 Server began in working mode
to add information, they will Hurry a SQL script in a SQL Worksheet. start a current SQL Worksheet through selecting tools>Database>SQL Worksheet (see determine 21).
figure 21: equipment>Database>SQL Worksheet
within the opt for Connection dialog, opt for the OracleDBConnection, as proven in design 22, and click ok.
determine 22: determining Connection
copy right here SQL script to the SQL Worksheet.
INSERT INTO wlslog(timestamp,class,category,servername,code,msg)
'AdminServer','BEA-000365','Server state modified to STANDBY');
INSERT INTO wlslog(timestamp,category,classification,servername,code,msg)
'AdminServer','BEA-000365','Server state modified to beginning');
INSERT INTO wlslog(timestamp,category,classification,servername,code,msg)
'AdminServer','BEA-000365','Server state modified to ADMIN');
INSERT INTO wlslog(timestamp,category,type,servername,code,msg)
'AdminServer','BEA-000365','Server state changed to RESUMING');
INSERT INTO wlslog(timestamp,class,category,servername,code,msg)
'AdminServer','BEA-000361','began WebLogic AdminServer');
INSERT INTO wlslog(timestamp,category,type,servername,code,msg)
'AdminServer','BEA-000365','Server state changed to running');
INSERT INTO wlslog(timestamp,class,type,servername,code,msg)
'AdminServer','BEA-000360','Server begun in working mode');
The SQL statements may be Hurry one after the other or bar not a soul collectively. To Hurry one observation at a time, position the cursor earlier than the statement and click Hurry observation, as shown in determine 23.
figure 23: Hurry statement
we shall Hurry the SQL script as an alternative of operating one observation at a time. click Hurry Script, as shown in determine 24.
figure 24: Hurry Script
records receives brought to table as indicated with the aid of the Script Output, which lists a "1 row inserted" message for each row delivered, as proven in determine 25.
figure 25: Script Output indicates that records has been delivered
If auto commit prize been not enabled, they would need to commit the transaction with commit (see determine 26). however, because auto commit is enabled, commit is not to be clicked.
figure 26: click on commit if auto commit is not enabled
To rollback a transaction, click on Rollback, as proven in determine 27.
figure 27: Rollback
The limpid the script output, click Clear, as shown in design 28.
determine 28: Script Output>Clear
during this first of two tutorials, they delivered the usage of Oracle JDeveloper 12c with Oracle Database via creating a connection in JDeveloper, making a database table, and including table data. within the 2nd tutorial, they will talk about working a SQL question, the employ of question effect set features, shedding a table, and deleting a connection.
listed here, i will be able to clarify a course to down load Oracle 12c photograph in Docker and how to genesis working on the Oracle database.
As participate of Integration trying out, I even prize created a dummy database in Docker, on the course to assist me hold the tested records.
before genesis the setting up, installation the Docker to your workstation. hunt recommendation from this article for the course to installation Docker on windows. You should create an account in Docker to down load and commence working.
After a success installing of Docker in windows, delight investigate to see no matter if Docker is up and working or now not. which you could see whether it's up in the taskbar as shown within the picture below.
After Confirming Docker is up and operating, open home windows PowerShell to delivery engaged on Docker.
After genesis windows PowerShell, login to Docker along with your Docker account guidance with the below command:
Now, Docker will await for your username and password particulars.
we can now birth pulling the photos and pushing their personal created photographs to Docker Hub.
Oracle has 12c photos in Docker Hub. Now, they can deploy 12c lighter photo in Docker. employ the below command to deploy Oracle 12c vivid from Docker Hub.
within the above command, they are asking Docker to Hurry oracle picture on port number 1521 with the designation "OracleDB". This command will first assess even if the vivid is there in their local Docker or no longer, in any other case, it's going to down load the image and start running the Oracle picture.
I prize already got Oracle vivid in my local Docker, and after the execution of the above command, Docker started running Oracle vivid and has given us an identity for reference.
we will see the operating reputation of bar not a soul of the photographs or containers in Docker the usage of the under command.
I even prize best Oracle image working in my autochthonous Docker, where they will see the output of the command:
The above picture suggests the status of working containers in Docker. only 1 container (Oracle photograph) is operating in Docker. they will see the container id, created time, and port numbers of Oracle picture.
Now execute the beneath command to delivery and mount the database.
Now, they are able to delivery engaged on the Oracle database. comply with the execution of the beneath commands to create a pattern desk in the database.
connect sys as sysdba;
-- here enter the password as 'Oradoc_db1'
alter session set "_ORACLE_SCRIPT"=true;
create consumer dummy identified by means of dummy;
furnish join, aid, DBA TO dummy;
--Now create a sample desk.
create desk Docker (identification int,name varchar2(20));
--beginning inserting values in to the desk.
Now they prize efficiently set in the Oracle 12c database in Docker and created a desk to delivery working. they will entry this database in any SQL editor.
under are the details of the database they set in:
HostName: localhost (hostname will be device IP tackle in case you installed in any Linux VM)
UserName and Password: dummy
provider name: ORCLCDB.localdomain
Use the below command to acquire the carrier designation of the DB set in.
select price from v$parameter where identify='service_names';
I even prize created a brand current connection in SQL developer with the above particulars and that i can correctly access tables created within the Docker database from SQL developer.
follow the above steps to install Oracle 12c in Docker and commence working!
All too commonly, I see organizations nonetheless working older Oracle database versions in their commercial enterprise functions.
The database directors (DBAs) regularly squabble that every puny thing runs nice, and that an Oracle database upgrade hazards breaking issues. different instances, I hear DBAs pronounce that their utility vendor doesn't assist an up to date version of Oracle in its utility, or that database upgrades are too time-consuming.
besides the fact that children, despite these objections, there are many explanations to depart ahead with an Oracle database improve. listed below are the Good 10 explanation why bethink to dependence it.
support. if you pay for an Oracle abet contract, handiest Oracle 22.214.171.124, the newest edition of Oracle Database 12c at present obtainable for on-premises use, is covered below Premier help. (Oracle 12c free up 2, or 12.2, became obtainable closing fall, but best in the Oracle Cloud in the intervening time.) Oracle is moreover offering free prolonged assist for Oracle eleven.2.0.four except can moreover 31. After that, notwithstanding, your enterprise will ought to pay further charges to proceed eleven.2.0.four extended guide. And in case your business is never on either version, you're going to probably be asked to upgrade before receiving any suggestions from Oracle's champion team.
up-to-date hardware and operating techniques. these days, I bought a query from a person on Oracle eight.0.5 who requested how to installation it on home windows Server 2012. but older Oracle models aren't supported or licensed on more moderen working systems. if you wish to hold up with whatever platform changes your server team has planned, you'll want to hold up with Oracle upgrades.
security patches. IT execs are well conscious about the a great number of information breaches that can saturate corporations millions of greenbacks and even set them out of company entirely. Oracle most efficacious gives constantly released protection patches for Oracle Database 11.2.0.four and 126.96.36.199. if you achieve not Hurry a type of types, you might be inserting your business in danger.
decreased labor. every current Oracle edition includes a bunch of recent features, many of which save you time. Some individuals worry these facets are meant to set an conclude to the DBA's career. however, in fact, they could free you up to achieve different issues. points similar to computerized undo administration, automated memory administration and Unified Auditing are bar not a soul designed to situation a cease to DBAs having to micromanage these areas. Enhancements to sheperd vital enable you to employ many more advisors for you to immediately diagnose mishap areas and invent concepts.
marketplace relevance. it's difficult to hold up together with your company competitors in case your IT programs don't seem to be up to this point. In-reminiscence information outlets and database sharding, the latter an addition to Oracle 12.2, are probably the most aspects available handiest in Oracle 12c that can be leveraged to give the most useful database functionality in your business's operations. that you may wager your competitors are upgrading to capture odds of those, in addition to different current elements.
simpler future upgrades. The easiest course to help an Oracle database is to invent employ of the Oracle Database help lieutenant (DBUA). The DBUA automates the upgrade method and handles the majority of the work. despite the fact, you can only upgrade to Oracle 188.8.131.52 with the DBUA in case your current edition is 10.2.0.5, eleven.1.0.7, eleven.2.0.2 or later. if you achieve not hold existing, you will deserve to achieve distinctive enhancements or employ a unique upgrade system, which is commonly riskier.
statistics coverage. The cardinal sin a DBA could invent is to lose information. remaining month's database backup works in case you don't intellect dropping bar not a soul of the transactions considering the fact that it became executed. Oracle's data preserve application protects that information through sending transactions to an off-site place. The a ways Sync characteristic, brought as a participate of an energetic facts asylum implementation for Oracle Database 12c, makes it workable to implement zero information loss protections with minimal prize an impact on on the primary database.
Database consolidation. you could reduce the servers mandatory on your information core by enforcing Oracle Database 12c's Multitenant architecture, which means that you can plug assorted databases right into a sole container on one equipment. Fewer servers skill great can saturate rate reductions in hardware, as well as in labor to champion those servers.
Cloud migration. Oracle's cloud platform makes it handy in your database infrastructure to be bendy satisfactory to fulfill your company's altering IT needs. With just a few clicks in SQL Developer, that you could migrate an Oracle 12c database to the cloud -- and lower back to an on-premises gadget once more in case you trade your intellect afterward.
utility vendor guide. while some utility companies are stuck within the database previous, many maintain current. in case you are looking to continue to Hurry those applications, you prize to hold up, as neatly. carriers that employ Oracle because the database for his or her purposes should be on 184.108.40.206 at a minimum through now -- and moreover you may noiseless be, too.
hopefully this listing has supplied you with copious motive to commence planning your Oracle database improve. To forestall extra assist fees or a scarcity of technical aid, bar not a soul Oracle databases should noiseless be upgraded to 12c by using the conclude of may -- so don't delay.
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All too often, I see companies noiseless running older Oracle database versions in their enterprise applications.
The database administrators (DBAs) often squabble that everything runs fine, and that an Oracle database upgrade risks breaking things. Other times, I hear DBAs pronounce that their application vendor doesn't champion an updated version of Oracle in its software, or that database upgrades are too time-consuming.
However, despite these objections, there are many reasons to depart ahead with an Oracle database upgrade. Here are the top 10 reasons why you should consider it.
Support. If you pay for an Oracle champion contract, only Oracle 220.127.116.11, the latest version of Oracle Database 12c currently available for on-premises use, is covered under Premier Support. (Oracle 12c Release 2, or 12.2, became available last fall, but only in the Oracle Cloud for the time being.) Oracle is moreover offering free Extended champion for Oracle 18.104.22.168 until May 31. After that, though, your company will prize to pay additional fees to continue 22.214.171.124 Extended Support. And if your company isn't on either version, you'll likely be asked to upgrade before receiving any assistance from Oracle's champion team.
Updated hardware and operating systems. Recently, I received a question from an individual on Oracle 8.0.5 who asked how to install it on Windows Server 2012. But older Oracle versions aren't supported or certified on newer operating systems. If you want to hold up with whatever platform changes your server team has planned, you should hold up with Oracle upgrades.
Security patches. IT pros are well conscious of the numerous data breaches that can cost companies millions of dollars or even set them out of business entirely. Oracle only provides regularly released security patches for Oracle Database 126.96.36.199 and 188.8.131.52. If you don't Hurry one of those versions, you're putting your company at risk.
Reduced labor. Each current Oracle version contains a host of current features, many of which save you time. Some people scare these features are meant to set an conclude to the DBA's career. But, in reality, they can free you up to achieve other things. Features such as automated undo management, automated memory management and Unified Auditing are bar not a soul designed to set a quit to DBAs having to micromanage these areas. Enhancements to Advisor Central enable you to employ many more advisors that will automatically diagnose mishap areas and invent recommendations.
Marketplace relevance. It's tough to hold up with your business competitors if your IT systems aren't up to date. In-memory data stores and database sharding, the latter an addition to Oracle 12.2, are some of the features available only in Oracle 12c that can be leveraged to provide the best database functionality for your company's operations. You can stake your competitors are upgrading to capture odds of these, as well as other current features.
Easier future upgrades. The easiest course to upgrade an Oracle database is to employ the Oracle Database Upgrade lieutenant (DBUA). The DBUA automates the upgrade process and handles the bulk of the work. However, you can only upgrade to Oracle 184.108.40.206 with the DBUA if your current version is 10.2.0.5, 220.127.116.11, 18.104.22.168 or later. If you don't hold current, you'll need to achieve multiple upgrades or employ a different upgrade method, which is often riskier.
Data protection. The cardinal sin a DBA can invent is to lose data. last month's database backup works if you don't reason losing bar not a soul of the transactions since it was done. Oracle's Data Guard software protects that data by sending transactions to an off-site location. The Far Sync feature, added as participate of an lively Data Guard implementation for Oracle Database 12c, makes it workable to implement zero data loss protections with minimal impact on the primary database.
Database consolidation. You can reduce the servers needed in your data focus by implementing Oracle Database 12c's Multitenant Architecture, which lets you plug multiple databases into a sole container on one system. Fewer servers means ample cost savings in hardware, as well as in labor to champion those servers.
Cloud migration. Oracle's cloud platform makes it smooth for your database infrastructure to be elastic enough to meet your company's changing IT needs. With a few clicks in SQL Developer, you can migrate an Oracle 12c database to the cloud -- and back to an on-premises system again if you change your reason later on.
Application vendor support. While some application vendors are stuck in the database past, many hold current. If you want to continue to Hurry those applications, you must hold up, as well. Vendors that employ Oracle as the database for their applications should be on 22.214.171.124 at a minimum by now -- and you should be, too.
Hopefully this list has provided you with ample reason to commence planning your Oracle database upgrade. To avoid additional champion fees or a want of technical support, bar not a soul Oracle databases should be upgraded to 12c by the conclude of May -- so don't delay.
Since the launch of Oracle Database 12c, they at Oracle prize received several questions about the current management capabilities built into Oracle Enterprise Manager 12c. Here are the answers to some of your more common questions. Enjoy!
Question: How does data masking vary from data redaction?
Data Redaction, which is participate of Oracle Database 12c Advanced Security's product portfolio, provides selective, on-the-fly redaction of sensitive data in query results prior to parade by applications so that unauthorized users cannot view the sensitive data. It enables consistent redaction of database columns across application modules accessing the identical data. Data Redaction minimizes changes to applications because it does not alter actual data in internal database buffers, caches, or storage, and it preserves the original data type and formatting when transformed data is returned to the application. Whereas Data Masking, which is participate of Oracle Data Masking Pack, allows DBAs and testers to "mask" sensitive and valuable information and supplant it with realistic values for QA and testing purposes. This allows production data to be safely used for development, testing, and outsourced/off-shore partners or other non-production purposes. Read the Data Redaction whitepaper and read the Oracle Data Masking whitepaper.
Question: What is EM Express?
Oracle Enterprise Manager Database Express, or simply EM Express is embedded inside the database and is auto-configured at the time of installation. With only a 20 MB disk footprint, there is no resource usage when EM Express is not invoked or used. Oracle Enterprise Manager Database Express can manage both sole instance and Oracle actual Application Clusters (Oracle RAC) databases. The instrument moreover has built-in champion for container databases (CDBs). Along with in-depth champion for performance management features, Oracle Enterprise Manager Database Express can be used for configuration management, storage management and security management.
Question: Does each pluggable database (PDB) prize its own EM Express? How achieve you invent confident EM Express is not installed with every 12c database?
Yes. You can setup EM Express for each pluggable database. EM Express is installed by default. If you achieve not want to employ it then achieve not set the XDB http/https port. Read the introduction to EM Express.
Question: How achieve you employ EM Express to monitor pluggable databases?
EM Express can be invoked at the root container or inside a PDB. So either a container database administrator (CDBA) or a pluggable database administrator (PDBA) can employ EM Express to monitor and manage a pluggable database. Read the introduction to EM Express.
Question: achieve you employ EM Express and EM cloud control at identical time? What's the difference?
You can employ both EM Express and EM Cloud Control on the identical database. EM Express is built inside the database while EM Cloud Control uses an agent to monitor the database. Read the documentation.
Question: In order to employ EM Express functionality in Oracle Database 12c, achieve you need to prize the database packs installed?
Although the basic administration features (configuration, security, storage management) are included in EM Express, the performance management features such as, Performance Hub and SQL Tuning Advisor are licensed separately by Oracle Diagnostics Pack and Oracle Tuning Pack.
Question: Is EM Express available for Oracle Database touchstone Edition?
Yes. EM Express is available for Oracle Database 12c touchstone Edition. Read more.
Question: Can you achieve metering and chargeback in EM Express?
No. You cannot achieve metering and chargeback in EM Express. Metering and chargeback functionally is built into Oracle Cloud Management Pack for Oracle Database and can be used with delivering database as a service (DBaaS). Read the Delivering Database as a Service whitepaper for more details.
Question: Will EM Express be able to manage Data Guard?
No. There are no Data Guard management capabilities in EM Express.
Question: Can they create reports using metric extensions in EM Express?
No. You cannot create reports using metric extensions in EM Express.
Question: Can they employ their existing Oracle Enterprise Manager 11g to monitor and manage Oracle Database 12c?
No. You cannot employ Oracle Enterprise Manager 11g to manage Oracle Database 12c. In order to capture odds of bar not a soul the current capabilities you will need to upgrade to Oracle Enterprise Manager 12c (Release 3) and employ database plug-in 126.96.36.199.
Question: Which previous database versions are compatible with Oracle Enterprise Manager 12c?
Please check the champion matrix in My Oracle champion as the information is updated regularly.
Question: Which versions of Oracle Database can be used with the Consolidated Database Replay feature?
You can employ the Consolidated Database Replay on Oracle Database 188.8.131.52.0 and above. delight see My Oracle champion Note 1453789.1.
Question: They are using both Oracle Database 10g and 11g, they are trying to consolidate onto Oracle Database 12c, what is your recommendation?
We recommend using Oracle actual Application Testing to thoroughly test your consolidation. Learn more about using SQL Performance Analyzer to achieve unit testing of your SQLs' for response time and consider using Consolidated Database Replay to test your consolidation on Oracle Database 12c for throughput and scalability. You can capture workload on Oracle Database 10g and 11g and employ Consolidated Database Replay on Oracle Database 12c. For more information on upgrading, be confident to visit the Oracle Database 12c upgrade page on the Oracle Technology Network.
Question: achieve they noiseless need the management server and agent running on every box if they upgrade to Oracle Database 12c?
Yes. The architecture used by Oracle Enterprise Manager 12c remains the identical and is independent of your upgrade to Oracle Database 12c.
Question: When using Oracle Enterprise Manager 12c (not EM Express), is a sunder agent noiseless needed to monitor and collect stats on the instances and hosts?
Question: Are there Oracle Enterprise Manager 12c agents available for Oracle Solaris?
Yes. Read more.
Question: Is Enhanced Real-time ADDM only for Oracle Database 12c or can you employ it for previous versions?
Enhanced Real-Time ADDM is only available with Oracle Database 12c. Read the data sheet.
Question: Is ADDM integrated into the database or is it a database option?
For ADDM you need to license Oracle Diagnostics Pack.
Question: Several of their applications deal with spikes of activity as a norm, for example, they would acquire a file every 15 minutes and then process it. So spikes in their systems are normal. How does the current Enhanced Real-time ADDM toil to spot the performance spikes?
Enhanced Real-Time ADDM uses a built-in algorithm to detect performance spikes. The current state of the database is evaluated against 9 different criteria (CPU, Memory, I/O, etc.) to determine whether there is a performance problem with your database.
Question: What's the disagreement between DBAs, PDBAs, and CDBAs?
The database administrator in the multitenant world has two current roles. The Container Database Administrator (CDBA) is liable for the entire database which holds or contains pluggable databases. The Pluggable Database Administrator (PDBA) is liable for individual pluggable databases servicing a specific application. For more information read the Oracle Multitenant whitepaper.
Question: To monitor batch jobs, where multiple sessions could be created, how is the batch job identified for monitoring?
Real-Time Database Operations monitoring doesn't’ champion multi session yet. However if your batch job uses a sole session you can set this job for monitoring via bracketing (i.e. commence operation and conclude operation).
Question: For the current multitenant architecture, how are resources (i.e. CPU, I/O, memory) handled among pluggable databases? Will there be memory set aside or capped for each PDB? How achieve you segregate PDBs for one another?
You can arrogate CPU resources across pluggable databases via resource management plans. memory management across PDBs is not yet supported. Read the documentation.
Question: For pluggable databases (PDBs), achieve you apply database patches to specific PDBs or achieve you apply the patches to the entire container database?
Database patches should be applied to the entire container database. Read the Oracle Multitenant whitepaper and watch the Pluggable Lifecycle Management demo for more information.
Written by GoCertify Staff
Published: 25 July 2015
With the cloud-driven -aaS market extending into the database realm, nurse Oracle Certification says now is the time for IT pros to glance up their database certs in anticipation of the current trend.
Since the dawn of commerce, every entrepreneur with a smart idea has had to contend with the often-prohibitive bugaboo known as the "cost of doing business." Balancing income and expenditures can be such a battle that we've even advance to view that simple phrase as a pejorative, as when people snark that this or that inconvenient reality is "just the cost of doing business."
Hence, whenever any innovation comes along that makes it a puny easier to grapple with the ever-present need of spending money to invent money, well, those are the ideas that everyone wants a piece of. With advances in cloud computing driving down the cost of IT infrastructure almost everywhere that tech-preneurs turn, it should advance as no amaze that there's a growing market for outsourcing database functions to third-party providers.
Oracle, one of the leading providers of database technology, is encouraging IT pros to grab their surfboards and hop on the wave as DBaaS, or Database-as-a-Service, becomes the next ample thing in -aaS. Oracle Certification recommends that database professionals looking to acquire a leg up in the fast-emerging DBaaS sweepstakes eye closely at six certifications in particular, including one that's yet to be released.
In a post to the Oracle University blog earlier this month, blogger Diana Gray says that market research indicates enterprise adoption of DBaaS is expected to surpass 70 percent next year. So there are plenty of employers in the IT space and elsewhere who are looking for skilled professionals with strong database proficiency. Some analysts are apparently even predicting that DBaaS will dominate the "as a Service" marketplace as soon as 2017.
If you infatuation to be on the leading edge of technology, and especially if you're already on a database career path, then you'd probably be well served to consider these recent strong signals. DBaaS hasn't taken over the IT universe yet, but it could betide soon.
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