前言
SQL 语句回顾
查询语句
SELECT field, count(*)
FROM tableA
[INNER]|[FULL|LEFT|RIGHT|OUTER ]JOIN tableB #连接方式
ON tableA.field = tableB.field #连接条件
WHERE field >=< conditon #查询条件
GROUP BY # 分组条件
HAVING #分组过滤条件
ORDER BY # 排序条件 ASC DESC
LIMIT
事务语句
START TRANSACTION
# MUTIL_SQL
COMMIT|ROLLBACK;
最后,给个 star 吧~