SQL Server開啟READ_COMMITTED_SNAPSHOT

--查詢數據庫狀態

select name,user_access,user_access_desc,

    snapshot_isolation_state,snapshot_isolation_state_desc,

    is_read_committed_snapshot_on

from sys.databases

 

--設置數據庫為SINGLE_USER模式,減少鎖定時間

ALTER DATABASE dbname SET SINGLE_USER WITH ROLLBACK IMMEDIATE

ALTER DATABASE dbname SET ALLOW_SNAPSHOT_ISOLATION ON

ALTER DATABASE dbname SET READ_COMMITTED_SNAPSHOT ON

ALTER DATABASE dbname SET MULTI_USER