tsql - How do I convert number of minutes to interval in SQL Server? -

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i have duration column of type time(7) in appointments table.

i know how number of minutes in appointment using

select durationminutes = datediff(n, a.starton, a.endon)  appointments

but duration column time(7).

how convert int duration?

declare @time time(7) = '01:02:03'; select @time 'time(7)', datediff( minute, 0, @time ) 'minutes';  declare @minutes int = 90; select @minutes 'minutes', cast( dateadd( minute, @minutes, 0 ) time(7) ) 'time(7)';

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