原文:https://my.oschina.net/waknow/blog/205654 摘要: 使用Go链接数据库时,由于连接释放不当会在一段时间以后产生too many connections的错误.因此需要适当的选择函数和及时的释放数据库连接. 这几天用Go写了个简陋的服务器,连接Mysql数据库,提供api给其他程序调用来实现增删改产等服务.Go的版本是1.2,使用的驱动是go-sql-driver/mysql.但是在有一定量的查询结果以后,会出先too many connection的…
[问题] 具体问题:新建django工程,使用django的manage.py的 migrate命令进行更改. 在初始化数据库表时,失败,错误信息为 django.db.migrations.exceptions.MigrationSchemaMissing: Unable to create the django_migrations table ( (, "You have an error in your SQL syntax; check the manual that correspo…
描述:#Warning: Using a password on the command line interface can be insecure.#ERROR 1045 (28000): Access denied for user 'zabbix'@'localhost' (using password: YES) Mysql导入zabbix的sql语句时报错:ERROR 1045 (28000) 描述:2016-08-02 17:30:26 17374 [Warning] 'user'…
在给mysql数据库备份时,报错:mysqldump: Got error: 145: Table './jxzhtopenfire/ofoffline' is marked as crashed and should be repaired when using LOCK TABLES.如上错误的解决方法如下:1.进入数据库对该表进行检测:mysql> check tables ofoffline;+-------------------------+-------+----------+…
向mysql数据库中导入sql文件时,如果文件过大(几百M),会提示"Error Code: 1153 - Got a packet bigger than 'max_allowed_packet' bytes" 1.查看目前数据库配置 show VARIABLES like '%max_allowed_packet%'; 显示如下结果 +--------------------+---------+ | Variable_name | Value | +--------…
From: http://blog.sina.com.cn/s/blog_716844910100welz.html 在linux下使用mysql客户端连接远程mysql服务器报错: [root@Server huage]# mysql -h 88.88.88.88 -P 3306 -u root -p Enter password: ERROR 1130 (HY000): Host 'my_wan_ip' is not allowed to connect to this MySQL serv…