MySQL

解决需求用到的一些sql特殊语法啦,记录一下 ,耶

自定义 order by

order by
(
CASE
WHEN order_name ='美' THEN'1'
WHEN order_name ='鹅' THEN'2'
WHEN order_name ='小' THEN'3'

ELSE
null
END
);

-- -----------------------------------------------------------------------------------------

编码转换

CONVERT(date_sub(v_date,interval 1 day) USING utf8) COLLATE utf8_unicode_ci;

-- -----------------------------------------------------------------------------------------

OR 和 AND

表示或的正确写法 ,括号是必须要有的

AND (
cs.INVOICE_TITLE LIKE '%12%'
OR cs.CLIENT_NAME LIKE '%12%'
)

原文地址:https://www.cnblogs.com/Elanlalala/p/10539588.html