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SQL 开发随笔 | WiseWanderer #39

Open wuwenyishi opened 2 months ago

wuwenyishi commented 2 months ago

https://blog.xuemingde.com/posts/11HK0FV.html#more

沉默,有时候是一种无声的反抗

wuwenyishi commented 2 months ago

1、查询今天

SELECT * FROM your_table WHERE DATE(date_column) = CURDATE();

2、查询本周

SELECT * FROM your_table WHERE YEARWEEK(date_column) = YEARWEEK(CURDATE());

3、查询本月

SELECT * FROM your_table WHERE MONTH(date_column) = MONTH(CURDATE()) AND YEAR(date_column) = YEAR(CURDATE());

4、查询近三个月

SELECT * FROM your_table WHERE QUARTER(date_column) = QUARTER(CURDATE());

5、查询近半年

SELECT * FROM your_table WHERE TIMESTAMPDIFF(MONTH, date_column, CURDATE()) <= 6;

6、查询近一年 

SELECT * FROM your_table WHERE TIMESTAMPDIFF(YEAR, date_column, CURDATE()) <= 1;

7、查询近三年

SELECT * FROM your_table WHERE TIMESTAMPDIFF(YEAR, date_column, CURDATE()) <= 3;