【Sqlserver】各种数据库的锁表和解锁操作

--1.查看被锁表 
SELECT request_session_id as spid,OBJECT_NAME(resource_associated_entity_id) as tableName FROM sys.dm_tran_locks WHERE resource_type=‘OBJECT‘ 
--spid   锁表进程 ；tableName   被锁表名 
--2.解锁 
declare @spid  int  Set @spid  = 被锁表的进程号 declare @sql varchar(1000) set @sql=‘kill ‘+cast(@spid  as varchar) exec(@sql)

Oracle 查询被锁住的表和解锁表

--1.锁表查询的代码有以下的形式： 
SELECT count(*) FROM v$locked_object; SELECT * FROM v$locked_object; 
--2.查看哪个表被锁 
SELECT b.owner,b.object_name,a.session_id,a.locked_mode FROM v$locked_object a,dba_objects b WHERE b.object_id = a.object_id; 
--3.查看是哪个session引起的 
SELECT b.username,b.sid,b.serial#,logon_time FROM v$locked_object a,v$session b WHERE a.session_id = b.sid order by b.logon_time;  
--4.杀掉对应进程 
alter system kill session‘1025,41‘; 
--其中1025为sid,41为serial#.

【Sqlserver】各种数据库的锁表和解锁操作

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