sql联合查询,相同字段名怎么获取结果?
$sql = mysql_query(select * from tablea join tableb on tablea.id = tableb.parent)
$row = mysql_fetch_array($sql);
两个表都有字段id 用echo $row['tablea.id ']; $row['tableb.id '] 无法显示
把*换成要查询的字段可以显示,可是字段多不想每次都写。mysql就是这样的,相同的列,可以这样把
select *, tablea.id as tableaid, tableb.id as tablebid from ....