摘要:
create PROCEDURE v4(in c_year int) BEGIN declare num int(10) default 0; declare num1 int(10); select code into num from class where class=c_year order by code desc limit 1; IF exists(sele... 阅读全文
摘要:
FORM1 using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using M... 阅读全文
摘要:
using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Linq; using System.Text; using System.Windows.Forms; using MySql.Dat... 阅读全文
摘要:
mysql> use admin Database changed mysql> create table cate( -> id int unsigned not null primary key auto_increment, -> name char(15) not null, -> pid int unsigned not null, -> sort sm... 阅读全文