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MySQL查询从时间戳中选择日期？

2024-05-16 09:58:05 374

让我们首先创建一个表。列之一是时间戳-

mysql> create table DemoTable
   -> (
   -> CustomerName varchar(100),
   -> CustomerShippingDate timestamp
   -> );

使用插入命令在表中插入一些记录-

mysql> insert into DemoTable values('Chris','2019-01-21');

mysql> insert into DemoTable values('David','2019-03-01');

mysql> insert into DemoTable values('Robert','2019-06-04');

使用select语句显示表中的所有记录-

mysql> select *from DemoTable;

输出结果

这将产生以下输出-

+--------------+----------------------+
| CustomerName | CustomerShippingDate |
+--------------+----------------------+
| Chris        | 2019-01-21 00:00:00  |
| David        | 2019-03-01 00:00:00  |
| Robert       | 2019-06-04 00:00:00  |
+--------------+----------------------+
3 rows in set (0.00 sec)

以下是查询以选择时间戳记的日期-

mysql> select *,date(CustomerShippingDate) from DemoTable;

输出结果

这将产生以下输出-

+--------------+----------------------+----------------------------+
| CustomerName | CustomerShippingDate | date(CustomerShippingDate) |
+--------------+----------------------+----------------------------+
| Chris        | 2019-01-21 00:00:00 | 2019-01-21                  |
| David        | 2019-03-01 00:00:00 | 2019-03-01                  |
| Robert       | 2019-06-04 00:00:00 | 2019-06-04                  |
+--------------+----------------------+----------------------------+
3 rows in set (0.00 sec)

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MySQL查询从时间戳中选择日期？

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