Updated on 2024-09-03 GMT+08:00

ALTER SYSTEM KILL SESSION

Function

ALTER SYSTEM KILL SESSION ends a session.

Precautions

None

Syntax

1
ALTER SYSTEM KILL SESSION 'session_sid, serial' [ IMMEDIATE ];

Parameter Description

  • session_sid, serial

    Specifies SID and SERIAL of a session (see examples for format).

    Value range: The SIDs and SERIALs of all sessions that can be queried from the system catalog V$SESSION.

  • IMMEDIATE

    Indicates that a session will be ended instantly after the command is executed.

Examples

Query session information.

1
SELECT sid,serial#,username FROM V$SESSION;
Figure 1 Querying session information

End the session whose SID is 140131075880720.

1
ALTER SYSTEM KILL SESSION '140131075880720,0' IMMEDIATE;