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mysql内核create
MySQL内核
月报 2014.09-
MySQL
·引擎差异·
create
_time in status
背景 在
MySQL数据库
中,我们利用show table status命令可以得到表的状态信息,其中一列信息为
create
_time,表示表的创建时间。对于不同的存储引擎(如InnoDB/MyISAM/MEMORY)我们都能得到
create
_time的数值。我们知道不同的存储引擎表的...
MySQL内核
月报 2014.09-MariaDB·主备复制·
CREATE
OR REPLACE
例如用户使用
CREATE
.SELECT语句,而这个语句回滚了又重新执行,备库有可能先收到一个
CREATE
语句,但是没收到INSERT的Events,主库重做一遍之后,备库收到
CREATE
语句时就会失败,而
CREATE
OR REPLACE则可以避免这个问题,存在的表会被替换掉...
MySQL内核
月报 2014.12-
MySQL
·性能优化·Bulk Load for
CREATE
INDEX
背景
MySQL
5.6以后的版本提供了多种优化手段用于
create
index,比如online方式,Bulk Load方式。Online提供了非阻塞写入的方式创建索引,为运维提供了很大的便利。Bulk Load提升了索引创建的效率,减少了阻塞的时间。这篇介绍下
MySQL
5.7.5 ...
1
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云数据库RDS MySQL版
MySQL 是全球最受欢迎的开源数据库,阿里云MySQL版 通过深度的内核优化和独享实例提供稳定极致的数据库性能,同时灵活的部署架构及产品形态,可满足不同场景下的数据库需求。
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最佳实践
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云数据库RDS MySQL版
MySQL 是全球最受欢迎的开源数据库,阿里云MySQL版 通过深度的内核优化和独享实例提供稳定极致的数据库性能,同时灵活的部署架构及产品形态,可满足不同场景下的数据库需求。
了解详情
管理控制台
在线咨询
最新活动
MySQL 1年仅19.9元
数据库专场优惠
快速入门
帮助文档
快速入门
最佳实践
SaaS上云数据库
数据库客户案例合集
产品推荐
云数据库PolarDB
云原生数据仓库MySQL