How does MySQL implement nesting of another table within a table?

1. I am a database novice... If I want to implement column A in table 1 of database and nest the column BCD in...

From [MySQLdiscussion group] 2017-05-18 10:50:13 0  1  675

使用Mysql Workbench 远程连接服务器的Mysql

首先，我在远程服务器（阿里云的Linux）下创建了一个Mysql用户： 可以看到，这个用户 admin,Host为%。 然后我在我本机windows下，使用Mysql WorkBench去连接： ip打码了，是正确的，然...

From [MySQLdiscussion group] 2017-04-17 13:52:20 0  2  675

Mariadb 10 Mysql Workbench does not support maintenance

The same error occurs with maintenance task calls such as server status, client connections, etc. The server v...

From [MySQLdiscussion group] 2023-10-31 00:00:10 0  1  674

Manually copy a MySQL 5.5 database to another computer

The product my company uses uses MySQL5.5 as the backend database. The product automatically installs and conf...

From [MySQLdiscussion group] 2023-09-05 00:16:59 0  1  674

How to force Postgres to use a specified index?

How do I force Postgres to use an index when it insists on performing a sequential scan?

From [MySQLdiscussion group] 2023-08-20 20:42:25 0  1  674

AJAX POST and the plus sign (+) - how to encode it?

I'm posting the contents of a field to a PHP script via AJAX and using JavaScripttoscape(field_contents). The ...

From [MySQLdiscussion group] 2023-07-21 09:47:06 0  2  674

mysql - 根据一个字段查找另一个字段重复的数据？并删除相同的记录，保留其中一个。

根据一个字段查找另一个字段重复的数据？并删除相同的记录，保留其中一个。 数据库表：product_code_relate_titletext 字段：id,search_id,product_code,raw_title ...

From [MySQLdiscussion group] 2017-04-17 16:16:10 0  3  674

mysql - 更安全的执行INSERT INTO TABLE1 SELECT * FROM TABLE2 WHERE...

在mysql的存储过程中执行： {代码...} table1和table2的结构是一样的 但是select * from table2 where ...的结果有时候是空的 这时插入table1，就会出现Column '...

From [MySQLdiscussion group] 2017-04-17 12:01:02 0  1  674

Remove duplicate rows and keep only the latest worklog entries

I created this query and it works. The problem is that it shows rows for each job log. I just need the latest ...

From [MySQLdiscussion group] 2023-08-10 17:25:56 0  1  673

有人使用过mycat分库中间件吗， 或者有什么其他的mysql分库分表中间件？

如提， 有人使用过mycat分库中间件吗， 或者有什么其他的mysql分库分表中间件？ 公司最近要分表， 但是目前所知道的没有几个分表中间件。

From [MySQLdiscussion group] 2017-04-17 16:08:06 0  2  673

mysql - 请问想从事分布式存储系统发开发需要了解innodb嘛？

请问想从事分布式存储系统发开发需要了解innodb嘛？

From [MySQLdiscussion group] 2017-04-17 16:02:37 0  3  673

mysql - sql怎么随机取50条数据?

MySQL从一张表怎么随机取50条数据?

From [MySQLdiscussion group] 2017-04-17 13:40:55 0  7  673

macos - homebrew 安装mysql后，如何配置mysql

mac osx 系统（这个无妨） 用homebrew 安装mysql 但是不会配置，网上各有各的说法，求一个用过，懂行的，教一下，

From [MySQLdiscussion group] 2017-04-17 11:25:18 0  6  673

How to export partial rows of a MySQL table from WHERE clause?

How to export certain rows of MySQL table using where clause from PHP script? I have a MySQLsay test and I wan...

From [MySQLdiscussion group] 2023-10-21 11:41:17 0  2  672

How can I adjust the timeout for a MySQL query run by PowerShell to allow more than 30 seconds to run?

I have a MySQLSELECT query that takes a few minutes when run in SQLyog (the GUI I use). When I try to run the ...

From [MySQLdiscussion group] 2023-09-10 13:18:46 0  1  672