简体中文(ZH-CN) English(EN) 繁体中文(ZH-TW) 日本語(JA) 한국어(KO) Melayu(MS) Français(FR) Deutsch(DE)
Home > Backend Development > PHP Tutorial > body text

mysql数据库中sql语句有关问题

WBOY
Release： 2016-06-13 10:56:59
Original
754 people have browsed it

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
source：php.cn
Previous article：帮忙写个正则,该如何解决 Next article：关于 文本中 包孕 xml 结构
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
2
1524
How to display the mobile version of Google Chrome Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
0
10
1684
The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
0
1
1432
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1358
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1407
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template
About us Disclaimer Sitemap
php.cn：Public welfare online PHP training，Help PHP learners grow quickly！