How to deal with the following one?

Error reported around line 307 of /core/library/think/db/Connection.php. The database account/password is inco...

From [MySQLdiscussion group] 2022-08-12 04:39:53 0  1  1260

SQL debugging tool (phpgjx) installation

Has this tool been successfully installed? Wait online. . . . . . Has this tool been successfully installed? W...

From [MySQLdiscussion group] 2019-09-23 15:30:54 0  1  1258

mysql queries data with valid ID number field value

Some values ​​in the ID number field in the table are invalid. How can I check the valid information for the I...

From [MySQLdiscussion group] 2017-05-18 10:48:22 0  2  1258

Database connection problem

Through the teacher's steps, you can see hello world when you open the browser. Then when you add the connect....

From [MySQLdiscussion group] 2018-07-24 17:48:33 0  1  1255

Make a backup of mysql for online projects

For a project running online, how to back up the database without stopping the database?

From [MySQLdiscussion group] 2018-07-30 14:57:05 0  2  1253

php - mysql connected table statistical query

Activity table rehearse id (self-incrementing id), name (activity name), send_time (start time), uid (user ID ...

From [MySQLdiscussion group] 2017-06-24 09:41:26 0  1  1253

并发 - mysql的show status 中 thread 的含义？

MySQL使用show status like '%Thread%'，得到如下显示： {代码...} 关于这个显示，有一些疑问。我的问题如下： Threads_connected是不是代表连接池中目前所创建的所有连接？ ...

From [MySQLdiscussion group] 2017-04-17 11:41:59 0  1  1253

Installation issues

How do I install it? There is no 5.6 in it.

From [MySQLdiscussion group] 2019-01-11 16:38:27 0  0  1252

How to install mysql 8

How to install mysql 8 under ubuntu? I'm referring to this tutorial, but I can't get through setting the passw...

From [MySQLdiscussion group] 2020-07-17 13:29:00 0  1  1252

medoo return value problem

This update operation returns the number of rows in the result $data and $data->rowCount(); what's the diff...

From [MySQLdiscussion group] 2019-07-26 11:00:05 0  1  1251

Newly installed PHPstudy

Not FoundThe requested URL /phpMyAdmin/ was not found on this server. Why did I just download the newly instal...

From [MySQLdiscussion group] 2018-06-29 16:55:01 0  1  1245

Why does win7 build server not support mysql database?

From [MySQLdiscussion group] 2021-01-28 13:30:39 0  1  1244

求sql多对一解决方案？

a表有多个字段，a_uid/b_uid/c_uid都对应user表的id.怎么取出这些id对应的userName比较合理呢？我想到的有两种，第一种是一次性取出user表的id,username然后在程序进行数组比较；第二...

From [MySQLdiscussion group] 2017-03-16 14:24:41 0  2  1243

mysql如何查前两天的数据？

如何实现？

From [MySQLdiscussion group] 2016-11-09 16:31:05 0  2  1243

SQL slow query causes CPU memory to reach 100%, what should I do?

It is said that there are a large number of slow query records in the database, and the execution time is too ...

From [MySQLdiscussion group] 2022-08-11 11:19:09 0  3  1242