Oracle Database 11 g - Online Public Access Catalog

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64 CHAPTER 2 ■ DATABASE DIAGNOSABILITY AND FAILURE REPAIROptions Description (Default)-------------------------------------------------------script script file name (None)help help on the command options (None)exec exec a set of commands (None)-------------------------------------------------------$Type exit or quit to exit the adrci command-line interface.Using adrci in Scripts and in Batch ModeIn addition to using adrci interactively, you can also use adrci commands within scripts andoperating system batch files. To incorporate a group of adrci commands into a script, simplycreate a file with all the adrci commands you want to execute, and then execute the script atthe adrci prompt.To use adrci commands in a shell script or a Windows batch file, you simply invoke adrciusing the command-line parameter exec to which you pass the adrci commands you want toexecute. That is, you must use the following syntax in your batch file when invoking adrci:adrci exec="command[; command]..."For example, if you want to use the two adrci commands show homes and show incident ina script, use the following syntax:adrci exec="show homes; show incident"Note that each of the commands must be separated by a semicolon (;). Here’s an exampleshowing how to use the ADR command-line interface to do the equivalent of the usual vialert$ORACLE_SID.log command, which lets you read the alert log in a text editor:adrci exec="set homepath diag/rdbms/orcl/orcl1; set editor vi; show alert -V"Alternatively, you can pipe adrci commands to a shell script, as shown in the followingscript example, which lets you see all the alert log entries that contain the word ORA-, whichindicates an Oracle-related error:adrci show baseADR base is "/u01/app/oracle"adrci>
CHAPTER 2 ■ DATABASE DIAGNOSABILITY AND FAILURE REPAIR 65When you issue any adrci command, it’s in the ADR home defined in the “current” ADRhomepath that Oracle searches for diagnostic data. If you don’t set the ADR homepath explicitly,all ADR homes under the ADR base will be current. ADR commands always operate on thediagnostic data in the current ADR home. So if you issue a command such as show tracefile,for example, adrci will show you all the trace files in each of the ADR homes that are current.The show homes command shows all available ADR homes:adrci> show homesADR Homes:diag/rdbms/auxdb/auxdbdiag/rdbms/eleven/elevendiag/rdbms/orcl11/orcl11adrci>Although the show homes command shows three different ADR homes for the three differentOracle instances, the ADR homepath itself isn’t set, as shown by executing the show homepathcommand:adrci> show homepathadrci>It’s important to understand that if you don’t set any ADR homepath, all instance homesunder the ADR base are considered to be active or current homes. In our case, all three ADRhomes under the ADR base are “current” by default. If you want adrci commands to apply toonly a single ADR home, you can do so by using the set homepath command, which lets youchange the current home path:adrci> set homepath diag/rdbms/orcl1/orcl1adrci> show homepathdiag/rdbms/orcl1/orcl1adrci>You can set the ADR homepath to multiple ADR homes if you want. When you do this,those adrci commands that can simultaneously work with multiple ADR homes (for example,show incident and show alert) will search the diagnostic data under all the ADR homes defined inthe current ADR path. You can issue all other adrci commands only if a single ADR home iscurrent. If you issue such a command when multiple ADR homes are current, adrci will issuean error. For example, an attempt to create a package with the ips command (the ips commandcreates an incident package, and we explain this later in this chapter) when you have multiplehome paths set will lead to this error:adrci> ips create package;DIA-48448: This command does not support multiple ADR homesadrci>Obviously, you must set a single ADR homepath by using the set homepath commandbefore you can create an incident package with the ips command.
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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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226 CHAPTER 5 ■ DATABASE SECURITY
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266 CHAPTER 6 ■ BACKUP AND RECOVE
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CHAPTER 7■ ■ ■Data PumpDBAs a
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CHAPTER 7 ■ DATA PUMP 315if test
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CHAPTER 7 ■ DATA PUMP 317DBA11g1
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CHAPTER 7 ■ DATA PUMP 319Encrypti
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CHAPTER 7 ■ DATA PUMP 321Please b
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CHAPTER 7 ■ DATA PUMP 323Remappin
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CHAPTER 7 ■ DATA PUMP 325SELECT d
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CHAPTER 7 ■ DATA PUMP 327Document
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CHAPTER 7 ■ DATA PUMP 329SQL> sel
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CHAPTER 7 ■ DATA PUMP 331SQL> sel
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CHAPTER 7 ■ DATA PUMP 333DBMS_OUT
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CHAPTER 7 ■ DATA PUMP 335If you a
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338 CHAPTER 8 ■ ORACLE STREAMSLat
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340 CHAPTER 8 ■ ORACLE STREAMSA s
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342 CHAPTER 8 ■ ORACLE STREAMSSQL
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348 CHAPTER 8 ■ ORACLE STREAMSDBM
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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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422 CHAPTER 10 ■ DATA GUARDWhile
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440 CHAPTER 10 ■ DATA GUARDCustom
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442 CHAPTER 10 ■ DATA GUARDselect
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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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568 ■INDEXDBMS_ADDM package, 216-
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570 ■INDEXcdump diagnostic direct
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572 ■INDEXcursor_sharing paramete
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576 ■INDEXDBMS-WORKLOAD_REPOSITOR
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586 ■INDEXOCISessionGet( ) method
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592 ■INDEXreader farm, 421read-on
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594 ■INDEXrestoring backup contro
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600 ■INDEXOracle Audit Vault, 259
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