摘要： SQL中的写法为select id,TypeName from newcardtype where id in(select NewcardType from gamelist where id=43);查询结果为:id TypeName1 新手2 手机在MYSQL中select id,TypeName from newcardtype where id in(select NewcardType from gamelist where id=43);查询结果为:id TypeName1 新手少了一条数据.其中select NewcardType from gamelist wher... 阅读全文