প্রথমে একটি টেবিল তৈরি করি:
mysql> create table DemoTable668(JoiningDate varchar(200)); Query OK, 0 rows affected (0.97 sec)
ISO 8601 ফরম্যাটে (yyyy-mm-ddThh:mm:ss.sssZ) ডেট ইনসার্ট করি:
mysql> insert into DemoTable668 values('2001-01-10T06:20:00.000Z');
Query OK, 1 row affected (0.16 sec)
mysql> insert into DemoTable668 values('2019-07-20T04:00:00.000Z');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable668 values('2016-02-12T05:10:50.000Z');
Query OK, 1 row affected (0.17 sec)
সব রেকর্ড দেখি:
mysql> select *from DemoTable668;
আউটপুট:
+--------------------------+ | JoiningDate | +--------------------------+ | 2001-01-10T06:20:00.000Z | | 2019-07-20T04:00:00.000Z | | 2016-02-12T05:10:50.000Z | +--------------------------+ 3 rows in set (0.00 sec)
ডেট ফরম্যাট রূপান্তরের ক্যোয়ারি (STR_TO_DATE এবং DATE_FORMAT ব্যবহার):
mysql> update DemoTable668
SET JoiningDate = DATE_FORMAT(STR_TO_DATE(JoiningDate,'%Y-%m-%dT%H:%i:%s.000Z'),'%Y-%m-%d %H:%i:%s');
Query OK, 3 rows affected (0.11 sec)
Rows matched: 3 Changed: 3 Warnings: 0
আবার চেক করি:
mysql> select *from DemoTable668;
আউটপুট:
+---------------------+ | JoiningDate | +---------------------+ | 2001-01-10 06:20:00 | | 2019-07-20 04:00:00 | | 2016-02-12 05:10:50 | +---------------------+ 3 rows in set (0.00 sec)