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Apress Oracle Database 11g New Features for DBAs and Developers Nov 2007


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- xxvi ■IN TR O D U CT IO N • The easy addition of columns with default values means you can add the columns online.
- ■I N T R OD U C T I ON xxvii • The new SIMPLE_INTEGER datatype provides faster performance than PLS_INTEGER.
- xxviii ■IN TR O D U CT IO N • The flashback archive feature lets you track data stored in any Oracle table, for any length of.
- You can.
- In the.
- 4 CH AP T E R 1 ■ I N ST AL L I N G , U PG R A D IN G , AN D M AN A G I N G CH A N G E • The Oracle XML DB option has been removed, since it isn’t an optional component any.
- feature under which both the major components of Oracle’s memory allocation—the shared Alapati_910-1.book Page 8 Monday, October PM.
- You can also cache.
- However, you can.
- upgrades of the database.
- adequately “stress test” the changes before they were approved for the switch to production.
- You can use RMAN,.
- capture report is useful in many ways, it’s the workload replay report that you’ll see later that’s.
- of the database.
- of the SQL statements.
- You can stage.
- Similarly, you can also.
- of the problem.
- instances but also from multiple products • The same set of tools to analyze diagnostic data across instances The ADR consists of all the familiar Oracle database diagnostic files, such as the following.
- You can also.
- You can perform.
- You can view.
- Here’s the basic repair failure command: RMAN>.
- Database automation • New flashback-related features • Database administration enhancements • SQL*Plus enhancements • Online application maintenance • The advanced table compression feature • Enterprise Manager new features • Oracle Scheduler new features We’ll begin with the most useful Oracle Database 11g database administration features.
- You can set.
- You can’t tune.
- automated maintenance task—the SQL Tuning Advisor task.
- a limit on how far back you can go in terms of retrieving older data—the undo tablespace can’t.
- ■Note A flashback data archive doesn’t necessarily save all transaction changes “forever.” The length of.
- record to the history table—the insert statement didn’t.
- Here’s the example: SQL>.
- You can specify the following.
- A name for the flashback data archive • Whether the flashback data archive is the default archive for the database • The name of a tablespace you’ve created earlier • A quota for this flashback data archive in the tablespace you choose as the host for.
- will depend on the amount of redo generated by the transaction that’s being backed out—the.
- You can’t.
- You can now.
- Here’s the command to make an existing index invisible: SQL>.
- “see” the index any longer when it’s figuring out the most efficient or optimal execution plan..
- When the optimizer “sees” the index hint embedded in the select statement,.
- Here’s the explain plan output without the index hint: SQL>.
- Here’s the new command: SQL>.
- in the database.
- preserved restore point isn’t the same as a guaranteed restore point, which enables you to flash.
- The username • The time when the error occurred • The name of the script that contains the query, if a script was used • A user-defined identifier • The ORA, PLS, or SP2 error message • The query statement that caused the error By default, error logging is turned off, as you can see from the following query: SQL>.
- You can add a.
- of the table.
- Jobs that you scheduled through the Oracle Scheduler • Jobs being managed by the Enterprise Manager • The three automated maintenance tasks (Optimizer Statistics Gathering, Segment Advisor,.
- You can use the Management.
- You can use this.
- Before you can.
- Here’s the command to.
- You can use.
- Here’s the test SQL query, with the result_cache hint: SQL>.
- execution of the query.
- Enabling PL/SQL Result Caching As we mentioned earlier, both server-side result caches—the SQL query result cache and the.
- is the case with the other two automated management tasks—the Optimizer Statistics Gathering.
- and Automatic Segment Advisor tasks—the Automatic SQL Tuning Advisor task is enabled by.
- In Oracle Database 11g, you can.
- Here’s the.
- If a column has poor selectivity—for example, a certain value that’s the same in more than.
- Here’s the query: SQL>.
- Here’s the code: SQL>.
- You can verify.
- You can alternatively.
- regression or if it’s the only available plan.
- You can also perform a.
- internal hackers to access this vital information.1 The HSM product will be configured by the security administrator.
- You can use the backup.
- Here’s the command: RMAN>.
- You can also make a.
- upon what your requirements are regarding the two criteria—the number of databases and the.
- You can also specify a.
- You can create a.
- You can use any of the.
- or events • The Data Pump APIs have been improved to restart worker processes after failures without.
- You can also select.
- You can use the.
- By revealing “the truth” about ASM,.
- Here’s the syntax to create a normal redundancy so you can see how it is applicable to the.
- (10g, 10g Release 2, and 11g) of the databases.
- versions of the database.
- The compatible initialization setting of the database • The compatible.rdbms attribute of the diskgroup • The software version of the database Even though you upgrade an ASM instance to Oracle Database 11g, the compatible.asm.
- syntax for the lsdg command is as follows: lsdg [-cgH] [group] In Oracle Database 11g, two new options are provided—the -g and -c flags to the lsdg.
- you can use the following command.
- The number of archivelogs generated from the primary database source • The amount of data updated while the standby database is in updatable mode Businesses can reap the benefits from a temporary snapshot of the primary database and.
- 3 Call for “The Cookie Place” caches an entry for this vendor.
- Here’s the B4I_DONATIONS_JOU trigger created initially disabled: CREATE TRIGGER B4I_DONATIONS_JOU BEFORE INSERT ON DONATIONS.
- That’s pretty simple—the example just uses DBMS_OUTPUT to list the enqueued records.
- You can see.
- You can customize.
- Optionally, you can.
- Simple Object Access Protocol (SOAP) V1.1 • HTTP post method • The Accept-Charsets field of the HTTP input header • Web Services Description Language (WSDL) SOAP is a critical component for the XML DB web services.
- Continuing from the DBA_SALARIES package, we will access the MAXSALARY function: http://rac11:8080/orawsv/XDB/DBA_SALARIES/MAXSALARY?wsdl Here’s the output.
- The xmldiff command-line utility • The XMLDiff SQL function You can use any of the three options listed here to identify differences between two XML.
- As you can.
- Here’s the content of the load.ksh shell script.
- You can pivot.
- Here, you can.
- of the applications.
- DICOM object creation capability • DICOM object conformance validation enhancement • DICOM metadata extraction enhancements • The ability to make DICOM objects anonymous for security Alapati_910-1C12.fm Page 563 Tuesday, October AM

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