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How to sum rows of VARCHAR datatype or TIME datatype in MySQL?
Let us first create a −
mysql> create table DemoTable1442 -> ( -> DueTime time -> ); Query OK, 0 rows affected (0.56 sec)
Insert some records in the table using insert −
mysql> insert into DemoTable1442 values('00:08:00');
Query OK, 1 row affected (0.13 sec)
mysql> insert into DemoTable1442 values('00:04:00');
Query OK, 1 row affected (0.16 sec)
mysql> insert into DemoTable1442 values('12:55:00');
Query OK, 1 row affected (0.15 sec)Display all records from the table using select −
mysql> select * from DemoTable1442;
This will produce the following output −
+----------+ | DueTime | +----------+ | 00:08:00 | | 00:04:00 | | 12:55:00 | +----------+ 3 rows in set (0.00 sec)
Following is the query to sum rows of VARCHAR datatype or TIME datatype in MySQL −
mysql> select sec_to_time(sum(time_to_sec(DueTime) ) ) as TotalTime from DemoTable1442;
This will produce the following output −
+-----------+ | TotalTime | +-----------+ | 13:07:00 | +-----------+ 1 row in set (0.03 sec)
Updated on: 12-Nov-2019
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