mysql> create table user_info
-> (
-> user_id int auto_increment not null primary key,
-> user_name varchar(25) not null,
-> password varchar(12) not null
-> );
-> (
-> user_id int auto_increment not null primary key,
-> user_name varchar(25) not null,
-> password varchar(12) not null
-> );
mysql>use db_dybp;
//建表
mysql> create table user_info
-> (
-> user_id int auto_increment not null primary key,
-> user_name varchar(25) not null,
-> password varchar(12) not null
-> );
应该用 use db_dybp,谢谢,结贴给分