SQL 基础篇
一：普通查询语句 ：SELECT
语法：
SELECT column1, column2, ... FROM table_name;
或
SELECT * FROM table_name;
示例：
SELECT * FROM Websites; SELECT name,country FROM Websites;
二：去重查询语句 ：SELECT DISTINCT
标签：name,Websites,语法,笔记,SQL,table,SELECT From： https://www.cnblogs.com/k-formular/p/17527714.html