System environment
These views provide miscellaneous information about the current environment:
- V$DB_PIPES
Provides information about database pipes currently defined in the database.
- V$DBLINK
Provides information about all currently open database links.
- V$FILESTAT
Provides information about the current read/write status of all datafiles.
- V$FIXED_TABLE
Lists all V$ and X$ tables defined in the kernel.
- V$FIXED_VIEW_DEFINITION
Provides a view definition for each dynamic performance view based upon the X$ tables.
- V$GLOBAL_TRANSACTION
Provides information on all current global transactions.
- V$INDEXED_FIXED_COLUMN
Lists each index column in the tables listed in V$FIXED_TABLE.
- V$RESOURCE_LIMIT
Shows the current utilization of system resources that can be specified in the INIT.ORA file. For each resource, the initial allocation, the current usage, and the maximum allowed value are specified.
- V$ROLLNAME
Lists the names of all rollback segments.
- V$ROLLSTAT
Provides statistics about each rollback segment.
- V$SYSSTAT
Provides the current values for each of the system statistics defined in V$STATNAME.
- V$SYSTEM_CURSOR_CACHE
Provides information about cursor usage across all sessions.
- V$SYSTEM_EVENT
Provides information about time spent waiting for each system event defined in V$EVENT_NAME.
- V$TIMER
Provides access to a timer that increments every 1⁄ 100th of a second.
- V$TRANSACTION
Lists all active transactions in the system.
- V$TRANSACTION_ENQUEUE
Lists all enqueues held by active transactions in the system.
- V$WAITSTAT
Provides ...
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