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Compare date when the AdmissionDate is less than the current date in MySQL
Let us first create a table −
mysql> create table DemoTable ( AdmissionDate varchar(50) ); Query OK, 0 rows affected (0.63 sec)
Note − Let’s say the current date is 14-Sep-2019.
Insert some records in the table using insert command. Following is the query −
mysql> insert into DemoTable values('15-Sep-2019');
Query OK, 1 row affected (0.19 sec)
mysql> insert into DemoTable values('14-Sep-2019');
Query OK, 1 row affected (0.10 sec)
mysql> insert into DemoTable values('13-Sep-2016');
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable values('13-Sep-2019');
Query OK, 1 row affected (0.11 sec)
mysql> insert into DemoTable values('13-Sep-2020');
Query OK, 1 row affected (0.10 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+---------------+ | AdmissionDate | +---------------+ | 15-Sep-2019 | | 14-Sep-2019 | | 13-Sep-2016 | | 13-Sep-2019 | | 13-Sep-2020 | +---------------+ 5 rows in set (0.00 sec)
Following is the query to compare date when the AdmissionDate is less than the current date −
mysql> select *from DemoTable where str_to_date(AdmissionDate,'%d-%b-%Y') < CURDATE();
This will produce the following output −
+---------------+ | AdmissionDate | +---------------+ | 13-Sep-2016 | | 13-Sep-2019 | +---------------+ 2 rows in set (0.00 sec)
Updated on: 10-Oct-2019
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