删除数据复制 DECLARE c1 cursorforselectalter table [+object_name(parent_obj) +] drop constraint [+name+]; from sysobjects where xtype =Fopen c1 declare@c1varchar(8000) fetchnextfrom c1 into@c1while(@@fetch_status=0) beginexec(@c1) fetchnextfrom c1 into@c1endclose c1 deallocate c1 1.2.3.4.5.6.7.8.9.10.11.12.13.14.