数据库mysql模式的相关内容

阿里云文档 2025-12-23

IMCI全文索引使用说明

本文档介绍如何在PolarDB MySQL版的列存索引（IMCI）上构建和使用全文索引，通过列级 COMMENT 配置倒排索引，即可利用MATCH...AGAINST语法或自动优化的LIKE查询实现毫秒级模糊检索。该功能基于 IMCI 的倒排索引与词项匹配机制实现，详细原理请参见列存索引全文检索能力剖析。

阿里云文档 2025-12-16

【新功能/规格】RDS MySQL蓝绿部署支持MySQL 5.6升级至MySQL 5.7/8.0

自北京时间2025年10月15日起，RDS MySQL蓝绿部署功能支持MySQL 5.6升级至MySQL 5.7及8.0。

阿里云文档 2025-11-18

半同步复制超时优化

在MySQL半同步复制环境中提交大事务时，常因Binlog传输所需时间过长而导致半同步超时。这会使半同步复制降级为异步复制，引致数据可靠性下降，同时阻塞后续事务，造成业务性能抖动。为解决此问题，RDS MySQL推出了Binlog实时传输功能。该功能可以在大事务执行过程中就将其Binlog流式传输至备库，从而在事务提交时将同步耗时降至毫秒级，保障数据高可靠与业务性能的稳定。

阿里云文档 2025-10-20

PolarDB MySQL版边缘云集群的SQL洞察功能默认开启，支持多维度搜索与全量SQL明细采集，助力性能诊断与风险分析。

SQL洞察功能能够对SQL进行健康状况的诊断、性能问题的排查以及业务流量的分析，从而提升故障诊断、数据库优化与风险发现的效率。

阿里云文档 2025-10-20

PolarDB MySQL边缘云集群支持慢SQL查询。

PolarDB MySQL版边缘云集群支持慢SQL查询，默认将执行时间超过1秒的SQL语句定义为慢SQL，默认保存14天。用户可以使用慢SQL功能分析DB性能问题。

文章 2024-06-04 来自：开发者社区

数据库同步革命：MySQL GTID模式下主从配置的全面解析

前言在数据库的世界里，同步是一场永恒的舞蹈，而MySQL GTID模式就像是这场舞蹈中的舞者，能够带领我们跳出传统的舞步，进入全新的境界。而今天，就让我们一起来揭开MySQL GTID模式下主从配置的神秘面纱，探索它的魅力所在吧！ GTID模式简介 GTID，全称为全局事务标识（Global Transaction ID），是MySQL数据库中用于唯一标识每个事务的一种...

问答 2024-05-11 来自：开发者社区

OceanBase数据库的oms是否支持把oracle的表迁移到mysql模式的租户下？

OceanBase数据库的oms是否支持把oracle的表迁移到mysql模式的租户下

问答 2024-02-27 来自：开发者社区

OceanBase 数据库，使用navicat的mysql模式连接无法修改视图这个怎么解决？

OceanBase 数据库，使用navicat的mysql模式连接无法修改视图这个怎么解决？使用oceanbase模式连接没有高级选项没法编辑

问答 2024-02-20 来自：开发者社区

oceanbase 数据库4.2 的MySQL模式兼容Mysql8吗？

问答 2024-02-07 来自：开发者社区

OceanBase数据库4.2mysql模式临时表不支持怎么办？

OceanBase数据库4.2mysql模式临时表不支持怎么办？一大堆存储过程用了临时表

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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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