Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > 怎么从数据库读取无重复数据

怎么从数据库读取无重复数据

WBOY
Release： 2016-06-13 13:07:37
Original
945 people have browsed it

如何从数据库读取无重复数据
弱弱的问一下，如何从数据库无重复的读取数据

select aaa from biaoming where 1=1,这个是读取全部数据，但是有重复，怎么读取无重复数据，查询语句是什么？

------解决方案--------------------
DISTINCT

Related labels：
distinct from select where
source：php.cn
Previous article： 没法载入 mcrypt 扩展，<br />请检查 PHP 配置 Next article： PHP所谓的免费是指什么？该怎么解决
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
3
2061
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
11
2222
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
1872
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
1753
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1780
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