删除分区时，分区里的数据也会被删除无法在已创建的空白表中新增分区，只能在已经有分区的表中新增分区新增分区必须严格按照顺序SELECT partition_name, partition_expression, partition_description, table_rows FROM information_schema.PARTITIONS WHERE table_schema
1、下载wget -i -c http://dev.mysql.com/get/mysql57-community-release-el7-10.noarch.rpm2、安装yum -y install mysql57-community-release-el7-10.noarch.rpmyum -y install mysql-community-server3、登录启动mysql服务systemctl start mysqld.service查看服务状态systemct
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