centos数据库mysql 的相关内容

阿里云文档 2025-07-17

RDS MySQL写入数据报错Error 1406: Data too long for column

Error 1406: Data too long for column问题描述在RDS MySQL数据库中写入数据时，出现如下报错：Error 1406: Data too long for column 'xxx'问题原因字段长度限制当表结构中定义的字段为字符类型（如CHAR或VARCHAR），...

阿里云文档 2025-07-11

MySQL系列的数据库实例作为源端或目标端

本文为您介绍数据传输服务DTS（Data Transmission Service）支持的以MySQL系列（MySQL、PolarDB for MySQL、Mariadb、OceanBase（MySQL）、PolarDB-X 2.0）数据库实例为源端或目标端的任务。

阿里云文档 2025-07-09

RDS多可用区部署实例SLA提升

RDS高可用系列和集群系列多可用区部署实例的服务等级协议SLA提升至99.995%~99.997%。

阿里云文档 2025-07-08

RDS MySQL使用gh-ost出现“Scan error on column index 0”报错的解决方法

问题描述在RDS MySQL中使用gh-ost做DDL无锁变更时，可能会出现类似报错：Scan error on column index 0, name "@@global.port": converting NULL to int is unsupported。在RDS MySQL中使用gh-o...

阿里云文档 2025-06-25

Spring应用RDS数据源账密运行时轮转

本文档介绍如何在Spring应用中实现RDS数据源账密的运行时轮转，通过集成KMS与Nacos，实现数据库凭据的加密托管、动态更新与无缝切换，保障应用在凭据变更过程中的安全与稳定。

文章 2024-11-04 来自：开发者社区

在 CentOS 7 中通过编译源码方式安装 MySQL 数据库的详细步骤，包括准备工作、下载源码、编译安装、配置 MySQL 服务、登录设置等。

随着业务的不断发展，对数据库的需求也越来越高。在 Linux 环境下，尤其是 CentOS 7 中，通过编译源码方式安装 MySQL 数据库是一种常见的做法。这种方法虽然相对复杂，但它能够提供更高的定制性和灵活性。本文将通过一个具体的案例来介绍如何在 CentOS 7 中通过编译源码的方式安装 MySQL 数据库，并与使用 R...

文章 2023-07-04 来自：开发者社区

环境准备：系统：centos 6.10数据库：mysql-5.6.47iptables：stopselinux：disableip：（内）172.16.1.40；（外）192.168.1.40前期准备：创建软件目录及安装目录：mkdir -p /server/tools mkdir -p /app/mysql-5.6.47 创建mysql用户：useradd -s /sbin/nologin -....

问答 2022-04-15 来自：开发者社区

centOS6.5系统，数据库mysql5.7，查询3万条数据需要1分钟，原因何在？

查询的SQL语句非常简单就是把一张表里面的数据全部拿出来，这查询在另外一个服务器只需要3秒钟，配置和系统一样的。跪求高手解答！

文章 2022-02-17 来自：开发者社区

Centos版操作系统和阿里云数据库如何安装部署mysql

废话少说，本文是用yum下载的，其实也可以使用xftp上传 1，安装mysql数据库　　a)下载mysql源安装包　　b)安装mysql源:yum localinstall mysql57-community-release-el7-8.noarch.rpm 　　　　若结尾出现complete!，则说明MySQL源安装完成　　 c)检测是否安装完成:yum repolist enabled....

文章 2022-02-16 来自：开发者社区

centos7数据库mysql+mariadb

1.MySQL库备份脚本（navicat for mysql是外部测试连接工具） #!/bin/bash # 要备份的数据库名，多个数据库用空格分开 databases=(guowang yaohan wycenter)  # 备份文件要保存的目录 basepath='/opt/guowang/mysql/' if [ ! -d "$basepath" ]; then   mk...

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数据库审计

满足等保2.0二级和三级 “安全审计”合规要求的同时，智能解析数据库通信流量，细粒度审计数据库访问行为，通过对数据库全量行为的审计溯源、危险攻击的实时告警、风险语句的智能预警，提供数据库资产最安全的监控保障。

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