Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > mysql

mysql

WBOY
Release： 2016-06-23 14:10:34
Original
845 people have browsed it

我有一个用户表，里面有号码之类的信息，我还有一个表，
放的是地址之类的信息，里面没有号码，两个表里都有邮箱，查询第二里所有的信息加第一个表的号码。
就是简单的查询，可我实在想不到了


回复讨论(解决方案)

select T1.number,T2.* from table1 T1,table2 T2 where T1.id = $id AND T2.id = $id 
大概是这样

select a.* ,b.号码 from 还有一个表 a left join 用户表  b on a.邮箱=b.邮箱;

Related labels：
mysql
source：php.cn
Previous article：多维数组问题 Next article：关于退选课程的代码，系统提示未定义变量。
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
How to display only the lowest value from a result set (MYSQL) I have the following statement: selectDATE(recieved_on)asDay,round(count(*)/24)AS'average'...
From 2024-04-06 21:44:19
0
1
603
Calculate the sum of fields in another table using MySQL SQL query I have a schema like this: User table with attributes "user_id" and "userna...
From 2024-04-06 19:39:29
0
1
441
MySQL: "Select text from... as <variable here or subquery>" I have the following table with the following data: id text language 1 german text german ...
From 2024-04-06 19:25:54
0
2
529
How to group and count in MySQL? I'm trying to write a query that extracts the total number of undeleted messages sent to f...
From 2024-04-06 18:30:17
0
1
353
MySQL gets data from multiple tables I have a eg_design table which contains the following columns: and eg_domains table which ...
From 2024-04-06 18:42:44
0
2
479
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