Convert HH:MM:SS string to number of minutes

Question

I have the below query.

select cast(dateadd(minute, datediff(minute, TimeIn, TimeOut), 0) as time(0) )

I get the results from two columns in th

Answer 1

SQL Server Query:

SELECT cast(substring('02:47:00',1,2) AS int)*60+
       cast(substring('02:47:00',4,2) AS int)+ 
       cast(substring('02:47:00',7,2) AS int)/60.0 AS minutes

MYSQL Query:

SELECT TIME_TO_SEC('02:47:00') / 60

Result:

| MINUTES |
-----------
|     167 |