从SQL Server数据库中的所有表数据删除,除了一些表
问题描述:
我有一个SQLServer数据库,我想删除所有表,除了一些表 我用用这个脚本从SQL Server数据库中的所有表数据删除,除了一些表
EXEC sp_MSforeachtable 'IF OBJECT_ID(''?'') NOT IN (
ISNULL(OBJECT_ID(''[dbo].[T1]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T2]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T3]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T4]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T5]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T6]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T7]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T8]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T9]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T10]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T11]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T12]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T13]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T14]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T15]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T16]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T17]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T18]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T19]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T20]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T21]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T22]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T23]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T24]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T25]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T26]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T27]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T28]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T29]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T30]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T31]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T32]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T33]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T34]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T35]''),0)
)
DELETE FROM ?'
的SQLSERVER返回该错误消息"Msg 102, Level 15, State 1, Line 22 Incorrect syntax near 'ISN'."
我想问题可能是关于其除外
答
尝试做另一种方式的表数:
DECLARE @command nvarchar(max);
--Remove spaces in front of ,ISNULL
SELECT @command = N'IF OBJECT_ID(''?'') NOT IN (
ISNULL(OBJECT_ID(''[dbo].[T1]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T2]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T3]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T4]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T5]''),0)
...
,ISNULL(OBJECT_ID(''[dbo].[TN]''),0)
)
DELETE FROM ?';
EXEC sp_MSforeachtable @command;
注意:此SP只能在第一个命令(source)中与nvarchar(2000)
一起使用。
这是第一个由此存储过程执行的命令,其数据类型为nvarchar(2000)。
答
EXEC sp_MSforeachtable N'IF OBJECT_ID(''?'') NOT IN (ISNULL(OBJECT_ID(''[dbo].[T1]''),0),ISNULL(OBJECT_ID(''[dbo].[T2]''),0),ISNULL(OBJECT_ID(''[dbo].[T3]''),0),ISNULL(OBJECT_ID(''[dbo].[T4]''),0),ISNULL(OBJECT_ID(''[dbo].[T5]''),0),ISNULL(OBJECT_ID(''[dbo].[T6]''),0),ISNULL(OBJECT_ID(''[dbo].[T7]''),0),ISNULL(OBJECT_ID(''[dbo].[T8]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T9]''),0),ISNULL(OBJECT_ID(''[dbo].[T10]''),0),ISNULL(OBJECT_ID(''[dbo].[T11]''),0),ISNULL(OBJECT_ID(''[dbo].[T12]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T13]''),0) ,ISNULL(OBJECT_ID(''[dbo].[T14]''),0),ISNULL(OBJECT_ID(''[dbo].[T15]''),0),ISNULL(OBJECT_ID(''[dbo].[T16]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T17]''),0),ISNULL(OBJECT_ID(''[dbo].[T18]''),0),ISNULL(OBJECT_ID(''[dbo].[T19]''),0),ISNULL(OBJECT_ID(''[dbo].[T20]''),0),ISNULL(OBJECT_ID(''[dbo].[T21]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T22]''),0),ISNULL(OBJECT_ID(''[dbo].[T23]''),0),ISNULL(OBJECT_ID(''[dbo].[T24]''),0),ISNULL(OBJECT_ID(''[dbo].[T25]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T26]''),0),ISNULL(OBJECT_ID(''[dbo].[T27]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T28]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T29]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T30]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T31]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T32]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T33]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T34]''),0)
,ISNULL(OBJECT_ID(''[dbo].[T35]''),0)
)
DELETE FROM ?'
的问题是,sp_msforeachtable
有到您的查询传递长度为2000的第一个参数。由于您的查询的长度超过该长度,因此它的全文不会传递给proc。这就是错误的原因。通过删除一些换行符来缩短查询的长度。尝试我的查询它的工作
+0
这是有帮助的 – Abdullah
您是否尝试打印出SQL语句以检查语法是否正确?您可能缺少报价或其他内容? – mfredy
我打印了SQL语句,没有任何缺失的报价 – Abdullah