從一個表中讀取id返回對應的值

表a id,bid 表b bid, title 讀取表a時，將a.pid顯示爲b.pid對應的title select *,(select title from b where bId = a.bid) as atitle from a limit 50php 如下是數據庫：數據庫 -- phpMyAdmin SQL Dump -- version 4.0.4 -- http://www.phpm

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