MySQL 如何使用DATE_FORMAT()更改日期格式
您可以使用DATE_FORMAT()使用特定格式更改MySQL日期格式。以下是语法−
select date_format(yourColumnName,yourFormatSpecifier) from yourTableName;
让我们首先创建一个表−
mysql> create table DemoTable
(
ShippingDate date
);
Query OK, 0 rows affected (0.48 sec)
使用insert命令向表中插入一些记录 −
mysql> insert into DemoTable values('2016-01-21');
Query OK, 1 row affected (0.17 sec)
mysql> insert into DemoTable values('2018-05-24');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable values('2019-12-31');
Query OK, 1 row affected (0.18 sec)
使用select语句显示表中的所有记录−
mysql> select *from DemoTable;
这将产生以下输出−
+--------------+
| ShippingDate |
+--------------+
| 2016-01-21 |
| 2018-05-24 |
| 2019-12-31 |
+--------------+
3 rows in set (0.00 sec)
以下是在MySQL查询中实现DATE_FORMAT()并设置日期格式的查询−
mysql> select date_format(ShippingDate,'%d/%m/%Y') from DemoTable;
这将产生以下输出−
+--------------------------------------+
| date_format(ShippingDate,'%d/%m/%Y') |
+--------------------------------------+
| 21/01/2016 |
| 24/05/2018 |
| 31/12/2019 |
+--------------------------------------+
3 rows in set (0.00 sec)
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