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Tables Data Dictionary Views → ALL_EXTERNAL_LOCATIONS USER_EXTERNAL_LOCATIONS These views list the data sources for external tables … , such as name, data type, 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 30-5 contains views associated with the Scheduler. The *_SCHEDULER_JOBS, *_SCHEDULER_SCHEDULES,
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$DATABASE Contains database information from the control file
Clusters Data Dictionary Views → The following views display information about clusters: View Description DBA_CLUSTERS ALL_CLUSTERS USER_CLUSTERS DBA view describes all clusters in the database. ALL view describes all clusters accessible to the user. USER view is restricted to clusters owned by the user. Some columns in these views contain statistics that are generated by the DBMS_STATS package or ANALYZE statement. DBA_CLU_COLUMNS
Tablespace Data Dictionary Views → The following data dictionary and dynamic performance views provide useful information about the … , USER_EXTENTS Information about data extents within all (or user accessible) tablespaces. DBA_FREE_SPACE … Information about all data files, including tablespace number of owning tablespace. V$TEMPFILE Information
Editions Data Dictionary Views → There are several data dictionary views that aid with managing editions. The following table lists
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.
Data Files Data Dictionary Views → The following data dictionary views provide useful information about the data files of a database … : View Description DBA_DATA_FILES Provides descriptive information about each data file, including the … segments in the database. Contains the file ID of the data file containing the extent. USER view
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
Database Service Data Dictionary Views → You can find service information in the following service-specific views: DBA_SERVICES ALL_SERVICES or V$SERVICES V$ACTIVE_SERVICES V$SERVICE_STATS V$SERVICE_EVENT V$SERVICE_WAIT_CLASSES V$SERV_MOD_ACT_STATS V$SERVICE_METRICS V$SERVICE_METRICS_HISTORY The following additional views also contain some information about services: V$SESSION V$ACTIVE_SESSION_HISTORY DBA_RSRC_GROUP_MAPPINGS DBA_SCHEDULER_JOB_CLASSES
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
Schema Objects Data Dictionary Views → complete description of data dictionary views The following are examples of using some of these views … , and DBA_SYNONYMS data dictionary views can be used to list the base object of a synonym. For example … on its underlying base object. The ALL _DEPENDENCIES, USER_DEPENDENCIES, and DBA_DEPENDENCIES data
Undo Space Data Dictionary Views → Files Data Dictionary Views\" for information on getting information about those views. The following … information from the views available for viewing tablespace and data file information. See \"Data … marked by ( BEGIN_TIME, END_TIME ). Each column represents the data collected for the particular
Performance Monitoring Data Dictionary Views → This section lists some of the data dictionary views that you can use to monitor an Oracle Database
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$SGASTAT Displays detailed information about how memory is allocated within the shared pool, large
Redo Log Data Dictionary Views → The following views provide information on redo logs. View Description V$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$LOG; GROUP# THREAD# SEQ BYTES MEMBERS ARC
Shared Server Data Dictionary Views → The following views are useful for obtaining information about your shared server configuration and for monitoring performance. View Description V$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
Resource Manager Data Dictionary Views → Table 27-7 lists views that are associated with the Resource Manager.
Process and Session Data Dictionary Views → The following are the data dictionary views that can help you manage processes and sessions. View
Schema Objects Space Usage Data Dictionary Views → description of data dictionary views Example 1: Displaying Segment Information The following query … database is stored in the DBA_EXTENTS data dictionary view. For example, the following query … any segment) in a database is stored in the DBA_FREE_SPACE data dictionary view. For example,