摘要:
id字段自增sql="CREATETABLEIFNOTEXISTS MusicList (id integerprimarykey AutoIncrement,name varchar(20),path varchar(20))"; <br>常用Select语句desc <table> //查看表结构 select * from <table> //查询所有更select , from table ;//查看指定列select distinct , from table ;//非重复查询insert into users(_id,user 阅读全文