sql 删除所有外键约束 表 存储过程 试图

删除外键约束

--1.删除外键约束 DECLARE c1 cursor for select 'alter table ['+ object_name(parent_obj) + '] drop constraint ['+name+']; ' from sysobjects where xtype = 'F' open c1 declare @c1 varchar(8000) fetch next from c1 into @c1 while(@@fetch_status=0) begin exec(@c1) fetch next from c1 into @c1 end close c1 deallocate c1

删除所有表

--2.删除所有表declare @sql varchar(8000) while (select count(*) from sysobjects where type='U')>0 begin SELECT @sql='drop table ' + name FROM sysobjects WHERE (type = 'U') ORDER BY 'drop table ' + name exec(@sql) end

3.删除所有存储过程

--3.删除所有存储过程declare @sqlp varchar(8000) while (select count(*) from sysobjects where type='p')>0 begin SELECT @sqlp='drop Procedure ' + name FROM sysobjects WHERE (type = 'p') ORDER BY 'drop Procedure ' + name exec(@sqlp) end

删除所有试图

--4.删除所有试图declare @sqlv varchar(8000) while (select count(*) from sysobjects where type='v')>0 begin SELECT @sqlv='drop View ' + name FROM sysobjects WHERE (type = 'v') ORDER BY 'drop View ' + name exec(@sqlv) end

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