2024年10月08日 建站教程
mysql基本查询语句：
SELECT column1, column2, ... FROM table_name WHERE condition
mysql排序查询语句：
SELECT column1, column2, ... FROM table_name WHERE condition ORDER BY column1 [ASC|DESC], column2 [ASC|DESC], ...
mysql聚合查询语句：
SELECT SUM(amount), AVG(amount) FROM orders;
mysql分组查询语句：
SELECT column1, column2, ... FROM table_name WHERE condition GROUP BY column1, column2, ... [HAVING condition];
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