如何在MySQL中查询两个日期之间的数据?
您可以通过使用BETWEEN语句来查询日期之间的数据。语法如下:
select *from yourTableName where yourColumnName between ‘yourStartingDate’ and curdate()。
使用curdate()或now()函数都可以。为了理解上述语法,让我们创建一个表。
mysql> create table BetweenDateDemo
−> (
−> StartDate datetime
−> );
Query OK,0行受到影响(0.78秒)
使用以下查询将一些记录插入表中:
mysql> insert into BetweenDateDemo values(date_add(now(),interval -1 year));
Query OK,1行受到影响(0.11秒)
mysql> insert into BetweenDateDemo values(date_add(now(),interval -2 year));
Query OK,1行受到影响(0.13秒)
mysql> insert into BetweenDateDemo values(date_add(now(),interval -3 year));
Query OK,1行受到影响(0.13秒)
mysql> insert into BetweenDateDemo values(date_add(now(),interval 1 year));
Query OK,1行受到影响(0.12秒)
mysql> insert into BetweenDateDemo values(date_add(now(),interval 2 year));
Query OK,1行受到影响(0.12秒)
mysql> insert into BetweenDateDemo values(date_add(now(),interval 3 year));
Query OK,1行受到影响(0.16秒)
现在,您可以使用SELECT语句显示表中的所有记录,查询语句如下:
mysql> select *from BetweenDateDemo;
以下是输出结果:
+---------------------+
| StartDate |
+---------------------+
| 2017-12-08 11:45:47 |
| 2016-12-08 11:45:56 |
| 2015-12-08 11:46:01 |
| 2019-12-08 11:46:05 |
| 2020-12-08 11:46:11 |
| 2021-12-08 11:46:15 |
+---------------------+
6行记录(0.00秒)
现在使用上述讨论的语法在日期之间执行选择操作,查询语句如下:
mysql> select *from BetweenDateDemo where StartDate between '2014-8-12' and curdate();
以下是输出结果:
+---------------------+
| StartDate |
+---------------------+
| 2017-12-08 11:45:47 |
| 2016-12-08 11:45:56 |
| 2015-12-08 11:46:01 |
+---------------------+
3行记录(0.00秒)
使用ORDER BY按排序顺序排序。查询语句如下:
mysql> select *from BetweenDateDemo where StartDate between '2014-8-12' and curdate() order by StartDate;
以下是输出结果:
+---------------------+
| StartDate |
+---------------------+
| 2015-12-08 11:46:01 |
| 2016-12-08 11:45:56 |
| 2017-12-08 11:45:47 |
+---------------------+
3行记录(0.00秒)
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