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Display distinct dates in MySQL from a column with date records
Let us first create a table −
mysql> create table DemoTable ( AdmissionDate datetime ); Query OK, 0 rows affected (8.99 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('2010-01-10 12:30:45');
Query OK, 1 row affected (0.14 sec)
mysql> insert into DemoTable values('2010-01-10 12:30:45');
Query OK, 1 row affected (0.46 sec)
mysql> insert into DemoTable values('2010-01-10 12:30:45');
Query OK, 1 row affected (0.71 sec)
mysql> insert into DemoTable values('2010-01-12 12:30:45');
Query OK, 1 row affected (1.22 sec)
mysql> insert into DemoTable values('2010-01-20 12:30:45');
Query OK, 1 row affected (0.19 sec)
mysql> insert into DemoTable values('2010-01-20 12:30:45');
Query OK, 1 row affected (0.51 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+---------------------+ | AdmissionDate | +---------------------+ | 2010-01-10 12:30:45 | | 2010-01-10 12:30:45 | | 2010-01-10 12:30:45 | | 2010-01-12 12:30:45 | | 2010-01-20 12:30:45 | | 2010-01-20 12:30:45 | +---------------------+ 6 rows in set (0.00 sec)
Following is the query to display distinct dates −
mysql> select distinct AdmissionDate from DemoTable;
This will produce the following output −
+---------------------+ | AdmissionDate | +---------------------+ | 2010-01-10 12:30:45 | | 2010-01-12 12:30:45 | | 2010-01-20 12:30:45 | +---------------------+ 3 rows in set (0.00 sec)
Updated on: 30-Sep-2019
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