Create database cat
go
use cat
go
CREATE TABLE s(s# int not null primary key,s_name varchar(8) not null)
go
CREATE TABLE c (c# int not null primary key,c_name varchar(8) not null)
go
CREATE TABLE cs(c# int not null,s# int not null,cj tinyint not null default(0),
primary key (c#,s#),foreign key(s#) references s(s#),foreign key(c#) references c(c#))
go
declare @变量 int
declare cursor_insert scroll cursor for select 列1 from 你的表
open cursor_insert
fetch ABSOLUTE 5 from cursor_insert into @变量
close cursor_insert
deallocate cursor_insert