为什么触发器老是出错!
CREATE TRIGGER TriDelBooks --建一个出发器
ON UtblBooks
FOR DELETE
AS
declare @del_log varchar(255)
declare @sql nvarchar(4000)
set @del_log='DelBooks'
select * into #t from deleted
set identity_insert DelBooks ON
select @sql='INSERT INTO ' + @del_log + ' SELECT * FROM #t'
exec(@sql)
当我在UtblBooks 中删除一条记录时总是出错:
-- [Microsoft][ODBC SQL Server Driver][SQL Server]仅当使用了列的列表,并且 IDENTITY_INSERT 为 ON 时,才能在表 'DelBooks' 中为标识列指定显式值。
我明明设置了 set identity_insert DelBooks ON
(DelBooks表的结构和UtblBooks一样)为什么?