SQL Server 事务隔离级别的查看及更改
2015-09-28 17:05
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--查看SQL事务隔离级别
DBCC Useroptions
--设置SQL事务隔离级别
set transaction isolation level Read Uncommitted
set transaction isolation level <隔离级别>
测试代码
begin tran
update T set SalesOrg = '1010' from dbo.[SAP_Material] T where Plant = '1001'
waitfor delay '00:00:20'
select * from dbo.[SAP_Material] where Plant = '1001'
commit tran
--事务2
select * from dbo.[SAP_Material] with(nolock) where Plant = '1001'
--waitfor delay '00:00:10'
update T set SalesOrg = '10' from dbo.[SAP_Material] T where Plant = '1001'
DBCC Useroptions
--设置SQL事务隔离级别
set transaction isolation level Read Uncommitted
set transaction isolation level <隔离级别>
测试代码
begin tran
update T set SalesOrg = '1010' from dbo.[SAP_Material] T where Plant = '1001'
waitfor delay '00:00:20'
select * from dbo.[SAP_Material] where Plant = '1001'
commit tran
--事务2
select * from dbo.[SAP_Material] with(nolock) where Plant = '1001'
--waitfor delay '00:00:10'
update T set SalesOrg = '10' from dbo.[SAP_Material] T where Plant = '1001'
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