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Database Data Dictionary Views → In addition to the views listed previously in \"Viewing Parameter Settings\", you can view information about your database content and structure using the following views: View Description DATABASE_PROPERTIES Displays permanent database properties GLOBAL_NAME Displays the global database name V$DATABASE Contains database information from the control file
Tables Data Dictionary Views → ALL_EXTERNAL_LOCATIONS USER_EXTERNAL_LOCATIONS These views list the data sources for external tables … , such as name, datatype, length, precision, scale, and default data values can be listed using one
Scheduler Data Dictionary Views → You can check Scheduler information by using many views. An example is the following, which shows information for completed instances of my_job1: SELECT JOB_NAME, STATUS, ERROR# FROM DBA_SCHEDULER_JOB_RUN_DETAILS WHERE JOB_NAME = 'MY_JOB1'; JOB_NAME STATUS ERROR# -------- -------------- ------ MY_JOB1 FAILURE 20000 Table 28-3 contains views associated with the Scheduler. The *_SCHEDULER_JOBS, *_SCHEDULER_SCHEDULES,
Datafiles Data Dictionary Views → The following data dictionary views provide useful information about the datafiles of a database
Tablespace Data Dictionary Views → The following data dictionary and dynamic performance views provide useful information about the … , USER_EXTENTS Information about data extents within all (or user accessible) tablespaces. DBA_FREE_SPACE
Indexes Data Dictionary Views → The following views display information about indexes: View Description DBA_INDEXES ALL_INDEXES USER_INDEXES DBA view describes indexes on all tables in the database. ALL view describes indexes on all tables accessible to the user. USER view is restricted to indexes owned by the user. Some columns in these views contain statistics that are generated by the DBMS_STATS package or ANALYZE statement.
Clusters Data Dictionary Views → The following views display information about clusters: View Description DBA_CLUSTERS ALL_CLUSTERS USER_CLUSTERS DBA view describes all clusters in the database. ALL view describes all clusters accessible to the user. USER view is restricted to clusters owned by the user. Some columns in these views contain statistics that are generated by the DBMS_STATS package or ANALYZE statement. DBA_CLU_COLUMNS
Performance Monitoring Data Dictionary Views → This section lists some of the data dictionary views that you can use to monitor an Oracle Database
Control Files Data Dictionary Views → The following views display information about control files: View Description V$DATABASE Displays database information from the control file V$CONTROLFILE Lists the names of control files V$CONTROLFILE_RECORD_SECTION Displays information about control file record sections V$PARAMETER Displays the names of control files as specified in the CONTROL_FILES initialization parameter This example lists the
Redo Log Data Dictionary Views → The following views provide information on redo logs. View Description V$LOG Displays the redo log file information from the control file V$LOGFILE Identifies redo log groups and members and member status V$LOG_HISTORY Contains log history information The following query returns the control file information about the redo log for a database. SELECT * FROM V$LOG; GROUP# THREAD# SEQ BYTES MEMBERS ARC
Undo Space Data Dictionary Views → \"Datafiles Data Dictionary Views\" for information on getting information about those views. The … to the time interval marked by ( BEGIN_TIME, END_TIME ). Each column represents the data collected
Memory Management Data Dictionary Views → The following dynamic performance views provide information on memory management: View Description V$SGA Displays summary information about the system global area (SGA). V$SGAINFO Displays size information about the SGA, including the sizes of different SGA components, the granule size, and free memory. V$SGASTAT Displays detailed information about how memory is allocated within the shared pool, large
Resource Manager Data Dictionary Views → Data Dictionary Views View Description DBA_RSRC_CONSUMER_GROUP_PRIVS USER_RSRC_CONSUMER_GROUP_PRIVS
Schema Objects Data Dictionary Views → complete description of data dictionary views The following are examples of using some of these views
Hash Clusters Data Dictionary Views → The following views display information about hash clusters: View Description DBA_CLUSTERS ALL_CLUSTERS USER_CLUSTER S DBA view describes all clusters (including hash clusters) in the database. ALL view describes all clusters accessible to the user. USER view is restricted to clusters owned by the user. Some columns in these views contain statistics that are generated by the DBMS_STATS package or
Shared Server Data Dictionary Views → The following views are useful for obtaining information about your shared server configuration and for monitoring performance. View Description V$DISPATCHER Provides information on the dispatcher processes, including name, network address, status, various usage statistics, and index number. V$DISPATCHER_CONFIG Provides configuration information about the dispatchers. V$DISPATCHER_RATE Provides rate
Process and Session Data Dictionary Views → The following are the data dictionary views that can help you manage processes and sessions. View
Purging Pending Rows from the Data Dictionary → Before RECO recovers an in-doubt transaction, the transaction appears in DBA_2PC_PENDING.STATE as COLLECTING, COMMITTED, or PREPARED. If you force an in-doubt transaction using COMMIT FORCE or ROLLBACK FORCE, then the states FORCED COMMIT or FORCED ROLLBACK may appear. Automatic recovery normally deletes entries in these states. The only exception is when recovery discovers a forced transaction that
Views, Synonyms, and Sequences Data Dictionary Views → The following views display information about views, synonyms, and sequences: View Description DBA_VIEWS ALL_VIEWS USER_VIEWS DBA view describes all views in the database. ALL view is restricted to views accessible to the current user. USER view is restricted to views owned by the current user. DBA_SYNONYMS ALL_SYNONYMS USER_SYNONYMS These views describe synonyms. DBA_SEQUENCES ALL_SEQUENCES USER_SEQUENCES
Schema Objects Space Usage Data Dictionary Views → contain examples of using some of these views. See Also: Oracle Database Reference for a complete description of data dictionary views