Z zqs10597249 Unregistered / Unconfirmed GUEST, unregistred user! 2001-05-13 #2 alter table caytable add jm varchar(6) not null; //增加jm字段 update czytable set jm=jm1 //从jm1字段复制数据到jm alter czytable czytable drop jm1 //删除字段jm1
alter table caytable add jm varchar(6) not null; //增加jm字段 update czytable set jm=jm1 //从jm1字段复制数据到jm alter czytable czytable drop jm1 //删除字段jm1
烂 烂泥 Unregistered / Unconfirmed GUEST, unregistred user! 2001-05-13 #3 如何你是在desktop中手动删除的话请按 ctrl+del
