MySQL面试题

1.MySql事务,事务的四大特性,事务带来的什么问题Mysql中事务的隔离级别分为四大等级:读未提交(READ UNCOMMITTED)、读提交 (READ COMMITTED)、可重复读 (REPEATABLE READ)、串行化 (SERIALIZABLE)。在Mysql中事务的四大特性主要包


centOS7使用rpm安装MySQL5.7

一.下载安装包命令:wget https://dev.mysql.com/get/mysql57-community-release-el7-9.noarch.rpm二 .然后进行repo的安装:执行命令:rpm -ivh mysql57-community-release-el7-9.no