题解 | #创建一张新表#
创建一张新表
https://www.nowcoder.com/practice/a61ee5519d14444aa99e530309a8e043
create table user_info_vip like user_info; alter table user_info_vip DROP COLUMN achievement; alter table user_info_vip add achievement int (11) default 0 comment'成就值' after nick_name; alter table user_info_vip drop column register_time; alter table user_info_vip add register_time datetime default current_timestamp comment '注册时间';
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