批删除时有问题
批删除
'@库表名' 是定义把所有数据库表名放到这个表里 Name是表名
declare @i int
set @i=0
declare @iCount int
set @iCount=(select count(*) from @库表名)
while(@i<@iCount)
begin
set @i=@i+1
declare @fTableName nvarchar(50)
set @Name=(select Name from @库表名 where fID=@i)
delete [@Name]
end
但执行报对象名 '@Name'无效。
[解决办法]
需要動態sql
比如
exec('delete '+@name)
[解决办法]
--删除表
exec('drop table '+@name)
--删除数据库
exec('drop database '+@name)
[解决办法]
declare @i int set @i=0 declare @iCount int set @iCount=(select count(*) from @库表名) declare @fTableName nvarchar(50) while(@i <@iCount) begin set @i=@i+1 delete @库表名 where fID=@i) end
[解决办法]
[code=SQL][/code]
CREATE PROCEDURE s_Delete
(
@库表名 table
)
declare @i int
set @i=0
declare @iCount int
set @icount= exec('select count(*) from '+@库表名)
while(@i <@iCount)
begin
set @i=@i+1
declare @fTableName nvarchar(50)
set @Name=exec('select Name from '+@库表名 +' where fID='+ltrim(@i))
exec('delete from ' +[@Name])
end