How to delete session in oracle

Method to delete session: 1. Use the "v$session" view to view the sid and "serial#" of the session; 2. Use the alter statement to delete the session. The syntax is "alter system kill session 'sid , serial#'".

The operating environment of this tutorial: Windows 10 system, Oracle 11g version, Dell G3 computer.

How to delete session in oracle

View the sid and serial of the session through v$session view

#

--这里的sid，serial根据查询的结果修改为对应的值
alter system kill session 'sid, serial#'

The example is as follows:

1. Query the current session

SQL> select username,sid,serial# from v$session where username is not null;
USERNAME SID SERIAL#

SYS 144 4

HYL 146 48

SCOTT 147 64

HR 159 15

--SERIAL#: SID may be repeated. When the SID of two sessions is repeated, SERIAL# is used to distinguish the session.

Query the connected session

select sid,serial#,username,program,machine,status from v$session

The query results are as follows , you can locate it according to the machine and logged-in account:

2. Delete the current session

SQL> alter system kill session '146,48';
System altered.

Hyl's session and perform the following operations:

SQL> show user
USER is "HYL"
SQL> select * from test1;
select * from test1
*
ERROR at line 1:
ORA-00028: your session has been killed

Recommended tutorial: "Oracle Video Tutorial"

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