mysql-多表查询

• 子查询:select * from a where id in (select aId from b where name="zhangsan")
  • all/any/exist/in
• 多表查:select * from a,b where a.id=b.aId
• 连表查:select * from a inner join b on a.id=b.aId
  • 内连接:交集
  • 左连接:左表+交集
  • 右连接:右表+交集

标签：多表,交集,连接,查询,mysql,aId,where,id,select
来源： https://www.cnblogs.com/bonus_scene/p/15327660.html