select * from sys.indexes where object_id=object_id('TRecord') [解决办法]
[解决办法] create table dbo.TRecord ( id int identity(1,1) primary key, RecordString nvarchar(100) not null unique --unique表示不能重复键: )
--查看唯一约束名 SELECT Name FROM sysobjects WHERE parent_obj=OBJECT_ID('dbo.TRecord') AND xtype='UQ'
ALTER TABLE dbo.TRecord DROP CONSTRAINT 约束名 [解决办法]
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SQL code
--查到例名:declare @triggerName nvarchar(200);--select * from sys.indexes where object_id=object_id('TRecord') select @triggerName= Name from sysobjects where( parent_obj=OBJECT_ID('dbo.TRecord') AND xtype='UQ');EXEC('alter table dbo.TRecord drop CONSTRAINT' +@triggerName); [解决办法]