sqlserver 批量删除相同前缀名的表

时间:2023-03-09 00:49:37
sqlserver 批量删除相同前缀名的表
--方法1
DECLARE @Table NVARCHAR(30)
DECLARE tmpCur CURSOR FOR
SELECT name FROM sys.objects WHERE TYPE='U' AND name LIKE N'HSUPA%'
OPEN tmpCur
FETCH NEXT FROM tmpCur INTO @Table WHILE @@FETCH_STATUS = 0
BEGIN
DECLARE @sql VARCHAR(100)
SELECT @sql = 'drop table ' + @Table
EXEC(@sql)
FETCH NEXT FROM tmpCur INTO @Table
END
CLOSE tmpCur
DEALLOCATE tmpCur

方法2

  /*--------------------------------

功能说明:  批量DropTable

使用说明:  使用时一定要小心,因为删选表的where条件是like所有必须保证where

后的like确定与你要删除表名相匹配

---------------------------------*/

--------参数定义-------------------

DECLARE @tableName AS Nvarchar(50) --查询表名条件(小心!,确保like条件是你要Drop的表.TableName尽量精确)

SET @tableName='test'  

--------------------------------------

--SELECT name FROM sys.tables   WHERE name LIKE '%'+@tableName+'%' --查询出要删除表的名称

IF @tableName='' SET @tableName='tableName'--初始化TableName为tableName,防止@tableName为空

DECLARE @tableNames AS Nvarchar(3000)

DECLARE @sql AS Nvarchar(3000)

SET @tableNames=

(SELECT ','+name FROM sys.tables   WHERE name LIKE '%'+@tableName+'%'  FOR XML PATH(''))

SET @tableNames= Stuff(@tableNames,1,1,'')

SET @sql='DROP TABLE '+@tableNames

EXEC(@sql)