Create DATETIME from DATE and TIME in MySQL?

MySQLMySQLi Database

You can create DATETIME from DATE and TIME with the help of ADDTIME() function in MySQL. The syntax is as follows −

SELECT ADDTIME(CONVERT(yourDateColumnName,datetime),yourTimeColumnName) as anyVariableName from yourTableName;

To understand the above concept, let us create a table. The query to create a table is as follows −

mysql> create table DateTime
   −> (
   −> DueDate date,
   −> DueTime time
   −> );
Query OK, 0 rows affected (1.19 sec)

Now you can insert date and time separately. The query to insert is as follows −

mysql> insert into DateTime values(curdate(),now());
Query OK, 1 row affected (0.08 sec)

Display all records from the table with the help of select statement −

mysql> select *from DateTime;

The following is the output −

+------------+----------+
| DueDate    | DueTime  |
+------------+----------+
| 2018-12-11 | 09:59:07 |
+------------+----------+
1 row in set (0.00 sec)

Now you can implement the syntax we discussed in the beginning to create a datetime from date and time. The query is as follows −

mysql> select addtime(convert(DueDate,datetime),DueTime) as DATETimeDemo from DateTime;

The following is the output displaying datetime created from date and time −

+---------------------+
| DATETimeDemo        |
+---------------------+
| 2018-12-11 09:59:07 |
+---------------------+
1 row in set (0.00 sec)
raja
Published on 11-Jan-2019 11:01:54
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