window下mysql中文乱码怎么解决？？

window环境，mysql5.1.71配置文件中设置了： [mysql] default-character-set=utf8 [mysqld] character-set-server=utf8 而且 像类似： ch...

From [MySQLdiscussion group] 2017-04-17 15:02:01 0  3  934

mysql - 查询过去某个时间sql运行情况

通过zabbix监控到数据库服务器过去某个时间cpu使用率很高，mysql中是否有某些视图或者awr报告之类可以去追踪当时数据库的运行情况。暂时未对数据库设置监控脚本。如果不行，有没有什么比较好的监控方法

From [MySQLdiscussion group] 2017-04-17 16:42:27 0  1  933

海量日志数据如何处理统计？

项目需要做一个dashboard图表网站，展示日志的相关统计信息。这个页面图表很多，一次性会加载出很多数据。日志表有很多种，都是一些入侵攻击日志、恶意站点访问日志等等，需要统计出当前时间、过去24小时、过去一周被攻击主机...

From [MySQLdiscussion group] 2016-11-08 11:53:48 0  1  933

php - msyql4 characters

Original sql field information: koubei_desc text COMMENT 'Word of mouth description (optimal)' I want to modif...

From [MySQLdiscussion group] 2017-07-04 13:43:26 0  1  931

mysql - 索引过滤性不好是由什么原因引起的，应该怎么解决

索引过滤性不好是由什么原因引起的，应该怎么解决

From [MySQLdiscussion group] 2017-04-17 15:20:05 0  1  931

MySQL: Retrieve sum of grouped rows from aggregate results

Suppose I have statistics on the number of visits by users in each country: The query is as follows: SELECTcou...

From [MySQLdiscussion group] 2024-02-26 23:21:28 0  1  930

Please report to developers: PDO::__construct(): Server-sent charset (255) not recognized by client

I'm trying to connect to a MySQL database from a Symfony3 application. But when trying to create a MySQL schem...

From [MySQLdiscussion group] 2023-10-16 10:02:44 0  2  930

Looking for an answer: Can't access the virtual server?

I have downloaded mysql several times and it was accessible the first time but not after that.

From [MySQLdiscussion group] 2018-04-06 16:09:45 0  2  930

mysql优化 - MySQL-SQl语句优化步骤

RT，在遇到一个运行很慢SQL的情况下，如何进行分析、优化、测试？简单说明一下步骤思路；

From [MySQLdiscussion group] 2017-04-17 14:26:12 0  2  930

Does anyone have detailed tutorials on mysql5.7 installation?

I feel that installing nginx and php is relatively simple, but mysql is more troublesome. The official website...

From [MySQLdiscussion group] 2017-05-24 11:33:16 0  2  929

Problems after setting the root user of mysql to be accessible from the external network

Modify the root user to be able to log in when not local {code...} After completing the above steps, I encount...

From [MySQLdiscussion group] 2017-05-18 10:52:20 0  1  929

mysql - 为什么limit前面加上order by 索引查询性能会更好？

为什么limit前面加上order by 索引查询性能会更好？SELECT * FROM sys_client LIMIT 100000,10 耗时：0.0004而：SELECT * FROM sys_client OR...

From [MySQLdiscussion group] 2017-04-17 16:45:33 0  5  926

Find the object corresponding to the key value in MySQL JSON: How to implement it

I'm trying to find a way to search a JSON object and get a specific key, but search for another key. Here is a...

From [MySQLdiscussion group] 2023-10-30 13:42:27 0  1  925

javascript - Baidu coordinates, returns the coordinates near the target

Now there is a table recording user coordinates (using Baidu API), with two field records, such as coordinates...

From [MySQLdiscussion group] 2017-05-25 15:08:24 0  1  925

Database design - MySQL database integration of two systems

1. There are currently systems A and B, and B is the upgraded system of A; 2. The structure of most database t...

From [MySQLdiscussion group] 2017-05-18 10:54:00 0  3  925