Add a single year to all the date records in a MySQL table column

Let us first create a table −

mysql> create table DemoTable
   -> (
   -> JoiningDate datetime
   -> );
Query OK, 0 rows affected (0.59 sec)

Insert some records in the table using insert command −

mysql> insert into DemoTable values('2015-01-21');
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable values('2017-04-02');
Query OK, 1 row affected (0.20 sec)
mysql> insert into DemoTable values('2018-12-31');
Query OK, 1 row affected (0.16 sec)

Display all records from the table using select statement −

mysql> select *from DemoTable;

This will produce the following output −

+---------------------+
| JoiningDate         |
+---------------------+
| 2015-01-21 00:00:00 |
| 2017-04-02 00:00:00 |
| 2018-12-31 00:00:00 |
+---------------------+
3 rows in set (0.00 sec)

Here is the query to implement DATE_ADD() and add a single year −

mysql> select date_add(JoiningDate, interval 1 year) from DemoTable;

This will produce the following output −

+----------------------------------------+
| date_add(JoiningDate, interval 1 year) |
+----------------------------------------+
| 2016-01-21 00:00:00                    |
| 2018-04-02 00:00:00                    |
| 2019-12-31 00:00:00                    |
+----------------------------------------+
3 rows in set (0.00 sec)

AmitDiwan

Published on 17-Dec-2019 07:49:36

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