查询数据库锁

SELECT a.spid,a.blocked,a.waitresource,a.dbid,a.hostname,a.program_name,c.text AS a_sql 
,b.hostname AS b_hostName,b.program_name AS b_programName,d.text AS b_sql
FROM sys.sysprocesses a
INNER JOIN sys.sysprocesses b ON b.spid=a.blocked
CROSS APPLY sys.dm_exec_sql_text(a.sql_handle) c
CROSS APPLY sys.dm_exec_sql_text(b.sql_handle) d
WHERE a.blocked<>0

SELECT * FROM sys.sysprocesses a WHERE a.blocked<>0

-- 根据name查id
SELECT DB_ID(‘users‘)

-- 根据id查name
SELECT * from sys.databases WHERE database_id=15