Oracle Process and Session Data Dictionary Views

The following are the Oracle data dictionary views that can help you manage processes and sessions.

View	Description
V$PROCESS	Contains information about the currently active processes
V$SESSION	Lists session information for each current session
V$SESS_IO	Contains I/O statistics for each user session
V$SESSION_LONGOPS	Displays the status of various operations that run for longer than 6 seconds (in absolute time). These operations currently include many backup and recovery functions, statistics gathering, and query execution. More operations are added for every Oracle Database release.
V$SESSION_WAIT	Displays the current or last wait for each session
V$SESSION_WAIT_HISTORY	Lists the last ten wait events for each active session
V$WAIT_CHAINS	Displays information about blocked sessions
V$SYSSTAT	Contains session statistics
V$RESOURCE_LIMIT	Provides information about current and maximum global resource utilization for some system resources
V$SQLAREA	Contains statistics about shared SQL areas. Contains one row for each SQL string. Provides statistics about SQL statements that are in memory, parsed, and ready for execution

Oracle data dictionary views

Oracle dynamic performance views