数据库设置的相关内容

问答 2022-04-04 来自：开发者社区

这里是MYSQL数据库加油站如果对你有帮助，给博主一个免费的点赞以示鼓励欢迎各位点赞评论收藏⭐️一、PK（主键约束）1、什么是主键？在了解主键之前，先了解一下什么是关键字关键字：在表中具有唯一性的字段，比如一个人的身份证号，学号。一个表中可以有多个关键字。主键也叫主关键字，就是由一个或多个关键字组成的，并且可以通过主键获得整个表的信息。比如订单表，通过订单编号可以获取到订单中的姓名，商品，价格等....

文章 2022-02-17 来自：开发者社区

快速学会图数据库 GDB设置白名单的方法

云栖号快速入门：【点击查看更多云产品快速入门】不知道怎么入门？这里分分钟解决新手入门等基础问题，可快速完成产品配置操作！创建GDB实例后，您需要设置GDB实例的白名单，以允许外部设备访问GDB实例。默认的白名单只包含本地IP地址127.0.0.1，表示任何其他设备都无法访问该GDB实例。设置IP白名单 1.登录图数据库控制台。 2.在界面左上方的菜单栏中选择实例所在的地域。3.单击目标实例的....

问答 2022-02-15 来自：开发者社区

连接数据库必须设置白名单ip吗

文章 2022-01-23 来自：开发者社区

云数据库 Mysql 版的常用设置|学习笔记

开发者学堂课程【云数据库MySQL版快速上手教程：云数据库Mysql 版的常用设置】学习笔记，与课程紧密联系，让用户快速学习知识。课程地址：https://developer.aliyun.com/learning/course/388/detail/4983云数据库Mysql 版的常用设置内容介绍：一、变更配置二、设置参数三、设置可维护时间段四、迁移可用区五、切换主备份实例六、修改数据切换方....

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