以下两个SQL语句有什么区别？那个好？

SELECT myall.*,myall02.问答
FROM myall02 INNER JOIN myall ON myall.编号 = myall02.编号

SELECT myall.*,myall02.问答
FROM myall,myall02
Where myall.编号 = myall02.编号


以上两个语句都可以成功运行的，结果都一样！我想知道它们的区别？谢谢！