求SQL一个语句

来源:百度知道 编辑:UC知道 时间:2024/09/24 10:16:25
关于一个游戏排行榜的SQL语句
数据库Audition.数据库的表为board_item_info.

board_item_info的UserSN为玩家名称编号.price为消费的数.

怎么运行SQL语句让usersn 的price消费的数字加在一起 并且导入数据库Audition的laba数据表里.进行排行.

请高手解答 如果成功我把分都送你.

导入:
insert into laba(玩家名称编号字段名,消费总数字段名) select UserSN,sum(price) from board_item_info Group by UserSN
排序:
select 玩家名称编号字段名,消费总数字段名 from laba order by 消费总数字段名 desc

你也可以不用导入,直接排序:
select UserSN,sum(price) from board_item_info Group by UserSN order by sum(price) desc

insert into laba(字段名) select sum(price) from board_item_info

insert into laba(UserSN,导入数据库Audition的laba数据表的字段名) select UserSN,sum(price) from board_item_info Group by UserSN

表board_item_info是玩家的消费明细吗?
insert into laba (usersn,price)
select usersn,sum(price) from board_item_info group by usersn