Gruppera objekt med jämn distribution i SQL

Du kan använda ntile .

Lite exempelkod:

declare @NumberOfStudents int
declare @StudentsPerGroup int

set @StudentsPerGroup = 10
set @NumberOfStudents = 104

select StudentID,
       ntile(@NumberOfStudents / @StudentsPerGroup) over(order by StudentID) as GroupID
from Students

Testa det på SE-Data .