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MYSQL必知必会读书笔记第六章之过滤数据_MySQL

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2016-05-27 13:44:391155browse

代码如下:


SELECT vend_id FROM products where vend_id 1003

等同于

代码如下:


SELECT vend_id FROM products where vend_id !=1003

代码如下:


SELECT prod_name,prod_price FROM products WHERE prod_price BETWEEN 5 AND 10;

代码如下:


select * from products
where prod_price is Null;

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