我有一个MYSQL表与分区的年份和子分区的月份。MYSQL子分区修剪CREATE TABLE ptable (id INT NOT NULL AUTO_INCREMENT,name varchar(100),purchased DATETIME NOT NULL,PRIMARY KEY (id, purchased))PARTITION BY RANGE(YEAR(purchased))SUBPARTITION BY HASH(MONTH(purchased)…
本文大纲环境win10-64MySQL Community Server 5.7.1mysqld –version可查看版本官方文档SQL执行顺序手写顺序我们可以将手写SQL时遵循的格式归结如下:select distinct from join on wheregroup byhavingorder bylimit <offset>,<rows>distinct&…