2005自动生成数据库的清空脚本

用函數生成腳本: --自动生成数据库的清空脚本(SQL05環境) use Test--指定數據庫 go if object_id('F_Clear','TF') is not null drop function F_Clear go create Function F_Clear() returns @T table(Clear_SQL nvarchar(200),TableName sysname) as begin ;with Ta_tree(Lev,fkeyID,rkeyID) as (select 1, a.fkeyid,a.rkeyid from sys.sysforeignkeys a where not exists(select 1 from sys.sysforeignkeys where rkeyid=a.fkeyid) union all select b.Lev+1,a.fkeyid,a.rkeyid from sys.sysforeignkeys a join Ta_tree b on b.rkeyID=a.fkeyid) ,Ta_tree2 as (select Lev,ObjectID,row=row_number()over(partition by ObjectID order by Lev desc) from (select Lev,FkeyID as ObjectID from Ta_tree union all select Lev+1,rkeyID as ObjectID from Ta_tree) T ) insert @T select [Clear_SQL]=case when Lev=1 or b.ObjectID is null then 'Truncate table '+quotename(a.Name) when c.Object_id is not null then 'Delete '+quotename(a.Name) +char(13)+char(10)+'if @@rowcount>0 or IDENT_Current('''+a.Name+''')>1'+char(13)+char(10)+'dbcc checkident ('+quotename(a.Name,'''')+',Reseed,0)' else 'Delete '+quotename(a.Name) end,[TableName]=a.Name from sysobjects a left join Ta_tree2 b on a.ID=b.ObjectID and b.row=1 left join sys.identity_columns c on a.ID=c.object_id where Xtype='U' order by case when b.ObjectID is null then 0 else 1 end,b.lev asc return end go select * from F_Clear() go drop function F_Clear