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How to group by date regardless of time in MySQL?
When you have identical dates in a table with different time values for each, you can group them easily with GROUP BY DATE.
Let us first create a table -
mysql> create table DemoTable692 (DueDatetime datetime); Query OK, 0 rows affected (0.97 sec)
Insert some records in the table using insert command:
mysql> insert into DemoTable692 values('2019-07-21 10:20:00');
Query OK, 1 row affected (0.18 sec)
mysql> insert into DemoTable692 values('2019-06-11 11:00:10');
Query OK, 1 row affected (0.24 sec)
mysql> insert into DemoTable692 values('2019-07-21 11:00:10');
Query OK, 1 row affected (1.97 sec)
mysql> insert into DemoTable692 values('2019-07-21 12:10:10');
Query OK, 1 row affected (0.18 sec)Display all records from the table using select statement:
mysql> select *from DemoTable692;
This will produce the following output -
+---------------------+ | DueDatetime | +---------------------+ | 2019-07-21 10:20:00 | | 2019-06-11 11:00:10 | | 2019-07-21 11:00:10 | | 2019-07-21 12:10:10 | +---------------------+ 4 rows in set (0.00 sec)
Here is the query to GROUP BY DATE regardless of time -
mysql> select *from DemoTable692 GROUP BY DATE(DueDatetime);
This will produce the following output -
+---------------------+ | DueDatetime | +---------------------+ | 2019-07-21 10:20:00 | | 2019-06-11 11:00:10 | +---------------------+ 2 rows in set (0.00 sec)
Updated on: 21-Aug-2019
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