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mysql数据库中sql语句有关问题

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Release： 2016-06-13 13:05:45
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mysql数据库中sql语句问题！
查询语句：
select * from 表名 where 条件；
这个我知道什么意思；
可是select * from 数据库名字.".$NowItemData." where 条件！
数据库中没有.".$NowItemData." 表
这是什么意思呢！

------解决方案--------------------
$NowItemData 是 php 变量，你echo 下就知道了
------解决方案--------------------
.$NowItemData：是变量，内容应该是个表名

Related labels：
from quot select where
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