DECLARE @username char(15) 
DECLARE D_lj_cursor CURSOR FOR 

SELECT [FLD_CHARACTER] FROM [game1].[dbo].[TBL_CHARACTER] 
WHERE [FLD_DELETED]=1 OR ([FLD_LEVEL]<21 AND FLD_UPDATEDATETIME < ’2004 - 9 - 14’) 

OPEN D_lj_cursor 

FETCH NEXT FROM D_lj_cursor INTO @username 

WHILE @@FETCH_STATUS = 0 

BEGIN 
PRINT ’正在删除 ’+@username+’ 的相关资料......’ 
DELETE FROM [game1].[dbo].[TBL_MAGIC] WHERE [FLD_CHARACTER] = @username 
DELETE FROM [game1].[dbo].[TBL_ITEM] WHERE [FLD_CHARACTER] = @username 
DELETE FROM [game1].[dbo].[TBL_SAVEDITEM] WHERE [FLD_CHARACTER] = @username 
DELETE FROM [game1].[dbo].[TBL_QUEST] WHERE [FLD_CHARACTER] = @username 
DELETE FROM [game1].[dbo].[TBL_FACEIMG] WHERE [FLD_USERNAME] = @username 
DELETE FROM [game1].[dbo].[TBL_SUBHUMAN] WHERE [FLD_CHARACTER] = @username 
DELETE FROM [game1].[dbo].[TBL_ABILITY] WHERE [FLD_CHARACTER] = @username 
DELETE FROM [game1].[dbo].[TBL_CHARACTER] WHERE [FLD_CHARACTER] = @username 
DELETE FROM [game1].[dbo].[TBL_ITEMMARKET] WHERE [FLD_SELLWHO] = @username 

FETCH NEXT FROM D_lj_cursor INTO @username 

END 

CLOSE D_lj_cursor 
DEALLOCATE D_lj_cursor 

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注意：使用前备份你game1的数据库,这个脚本是将已被用户删除的人物 且 2004年9月14日前没到21级的人物全部删除。 
[FLD_DELETED]=1 OR ([FLD_LEVEL]<21 AND FLD_UPDATEDATETIME < ’2004 - 9 - 14’) 

上面这段就是控制时间等级的。 21和2004-9-14 。自行修改适合自己的就可以了。 
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不会用SQL查询分析器，请自行查找应用教程或说明。