Comments on: SQL Puzzle: SQL Advance Query – Partition Employee Table in Three parts https://www.dbrnd.com/2017/10/sql-puzzle-sql-advance-query-partition-employee-table-in-three-parts-ntile/ BIGData | NoSQL | MSSQL | MySQL | PostgreSQL Wed, 11 Oct 2017 07:26:21 +0000 hourly 1 https://wordpress.org/?v=7.0.4 By: Dinesh.IS https://www.dbrnd.com/2017/10/sql-puzzle-sql-advance-query-partition-employee-table-in-three-parts-ntile/#comment-5903 Wed, 11 Oct 2017 07:26:21 +0000 https://www.dbrnd.com/?p=6577#comment-5903 Declare @Cnt As Numeric(19,2),@NoOfTimes Int,@LoopTime Int,@ID As Int;
Declare @SalaryDetails Table(ID Int,EmpID Int,EmpName VarChar(500),Salary Int)
Delete From @SalaryDetails
Set @Cnt=(Select Count(*) From TBL_EMP)
Set @NoOfTimes=Ceiling(@Cnt/3)
Set @LoopTime=3
Set @ID=1
While (@ID<=@LoopTime)
Begin

Insert Into @SalaryDetails
Select @ID,* From (
Select TOP (@NoOfTimes) * From TBL_EMP
Where EmpID Not In(Select EmpID From @SalaryDetails)
Order By Salary ASC ) A
Set @ID=@ID+1

End

Select ID,Min(Salary) As FromAmount,Max(Salary) As ToAmount,Count(EMPID) As NoOfEmp
From @SalaryDetails
Group By ID

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