Oracle Database 11 g - Online Public Access Catalog

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304 CHAPTER 6 ■ BACKUP AND RECOVERYExit from SQL*Plus after this, and start RMAN.3. Connect to the base recovery catalog as the base recovery catalog owner, and grantnecessary privileges to the new virtual private catalog owner to access metadata forspecified databases. You do this by using the new RMAN command grant. In this example,we grant the user access to two database, test1 and test2:$ rmanRecovery Manager: Release 11.1.0.1.0 - Beta on Sun Apr 8 13:19:30 2Copyright (c) 1982, 2005, Oracle. All rights reserved.RMAN> connect catalog rman/rman@nickconnected to recovery catalog databaseRMAN> grant catalog for database test1, test2 to virtual1;Grant succeeded.RMAN>The grant catalog for database command grants recovery catalog access for the databasestest1 and test2 to the user virtual1, who is the new virtual catalog owner youcreated. Note that instead of the database names, you can use the DBID for a databaseas well.■Note A virtual private catalog owner can create a local stored script, but has only read-only access toglobal scripts.4. Since the virtual private catalog owner has the catalog for database privilege, that usercan log in to the base recovery catalog and create the virtual private catalog:RMAN> connect catalog virtual1/virtual1@catdbconnected to recovery catalog databaseRMAN> create virtual catalog;found eligible base catalog owned by RMANcreated virtual catalog against base catalog owned by RMANRMAN>The new user virt_user1 owns the virtual catalog created by the previous command. Sincethe base recovery catalog owner has granted rights (with the grant catalog command) for the
CHAPTER 6 ■ BACKUP AND RECOVERY 305two databases, test1 and test2, the user virt_user1 will see only those two databases registeredin the new virtual catalog the user has just created. You can confirm that the user virt_user1 can access only the test1 and test2 databases and not all the registered databases in thebase recovery catalog by issuing the list incarnation command, as shown next.■Note If the virtual catalog owner doesn’t have the sysdba or sysoper privilege on the target database,then that owner can’t perform most RMAN operations.RMAN> list incarnation;List of Database IncarnationsDB Key Inc DB Name DB ID STATUS Reset SCN Reset Time------- ------- -------- ---------------- --- -----------192 207 TEST1 3481526915 PARENT 1 22-NOV-06192 193 TEST1 3481526915 CURRENT 909437 13-MAR-071 15 TEST2 3863017760 PARENT 1 22-NOV-061 2 TEST2 3863017760 CURRENT 909437 03-MAR-07RMAN>However, the base recovery catalog owner can see all databases in the main catalog byissuing the list incarnation command, as shown here:RMAN> list incarnation;List of Database IncarnationsDB Key Inc DB Name DB ID STATUS Reset SCN Reset Time------ ------- ----------- -------- ------ --- -----------192 207 TEST1 481526915 PARENT 1 22-NOV-06192 93 TEST1 3481526915 CURRENT 909437 13-MAR-071 15 TEST2 3863017760 PARENT 1 22-NOV-061 2 TEST2 3863017760 CURRENT 909437 03-MAR-0712 150 TEST3 3533598612 PARENT 1 10-MAR-0712 150 TEST3 3533598612 CURRENT 909437 15-APR-07RMAN>The user virt_user1 can create local RMAN stored scripts within this virtual catalog. However,the user will have only read privileges on any global scripts in the base recovery catalog.The virtual catalog owner virtual1 can use the virtual private catalog to store the metadatafor all backups of a database. Here’s an example that shows how to do this:RMAN> connect target sys/sammyy1@prod1;RMAN> connect catalog virtual1/virtual1@catdb;RMAN> backup database plus archivelog;
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The EXPERT’s VOIce ® IN ORACLEAl
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Contents at a GlanceAbout the Autho
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■CONTENTSixSQL*Plus New Features
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■CONTENTSxiEnterprise Manager Int
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■CONTENTSxiiiCombined Capture and
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■CONTENTSxvImprovements in Redo T
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About the Authors■SAM ALAPATI is
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xxii■ACKNOWLEDGMENTSNothing I do
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xxiv■INTRODUCTIONPerformance Mana
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xxvi■INTRODUCTION• The easy add
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2 CHAPTER 1 ■ INSTALLING, UPGRADI
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58 CHAPTER 2 ■ DATABASE DIAGNOSAB
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100 CHAPTER 3 ■ DATABASE ADMINIST
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226 CHAPTER 5 ■ DATABASE SECURITY
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358 CHAPTER 8 ■ ORACLE STREAMSSup
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CHAPTER 9■ ■ ■Storage Managem
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CHAPTER 9 ■ STORAGE MANAGEMENT 36
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416 CHAPTER 10 ■ DATA GUARD• Lo
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418 CHAPTER 10 ■ DATA GUARDsql ch
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420 CHAPTER 10 ■ DATA GUARDDBA11g
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446 CHAPTER 11 ■ APPLICATION DEVE
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CHAPTER 12■ ■ ■Data Warehousi
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566 ■INDEXadvise failure command,
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Oracle Database 11 g - Online Public Access Catalog

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