用 MySQL 从带有日期记录的列中显示月份和年
让我们首先创建一个 -
mysql> create table DemoTable1619 -> ( -> ArrivalTime datetime -> ); Query OK, 0 rows affected (0.45 sec)
使用 insert 在表中插入一些记录 -
mysql> insert into DemoTable1619 values(now()); Query OK, 1 row affected (0.40 sec) mysql> insert into DemoTable1619 values(curdate()); Query OK, 1 row affected (0.15 sec) mysql> insert into DemoTable1619 values('2019-12-31'); Query OK, 1 row affected (0.17 sec)
使用 select 从表中显示所有记录 -
mysql> select * from DemoTable1619;
这会产生以下输出 -
+---------------------+ | ArrivalTime | +---------------------+ | 2019-10-20 15:02:12 | | 2019-10-20 00:00:00 | | 2019-12-31 00:00:00 | +---------------------+ 3 rows in set (0.00 sec)
以下是 MySQL 中将 datetime 转换为获取月份名称的查询 -
mysql> select date_format(ArrivalTime,'%M %Y') from DemoTable1619;
这会产生以下输出 -
+----------------------------------+ | date_format(ArrivalTime,'%M %Y') | +----------------------------------+ | October 2019 | | October 2019 | | December 2019 | +----------------------------------+ 3 rows in set (0.00 sec)
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