如何从MySQL中的字符串中提取日期?
要从MySQL中的字符串中提取日期,请使用SUBSTRING_INDEX()。让我们首先创建一个表-
create table DemoTable-> (
-> Title text
-> );
使用插入命令在表中插入一些记录-
insert into DemoTable values('John has got joining date.12/31/2018');insert into DemoTable values('Carol has got joining date.01/11/2019');
insert into DemoTable values('Sam will arrive at.12/03/2050');
使用select语句显示表中的所有记录-
select *from DemoTable;
这将产生以下输出-
+---------------------------------------+| Title |
+---------------------------------------+
| John has got joining date.12/31/2018 |
| Carol has got joining date.01/11/2019 |
| Sam will arrive at.12/03/2050 |
+---------------------------------------+
3 rows in set (0.00 sec)
这是从MySQL中的字符串中提取日期的查询-
select substring_index(substring_index(Title,".", -1), ".", 1) from DemoTable;
这将产生以下输出-
+----------------------------------------------------------+| substring_index(substring_index(Title,".", -1), ".", 1) |
+----------------------------------------------------------+
| 12/31/2018 |
| 01/11/2019 |
| 12/03/2050 |
+----------------------------------------------------------+
3 rows in set (0.00 sec)
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