SQL OUTPUT PUZZLE | The Assignment Puzzle – ? | Advanced SQL

In this puzzle you have to go through the SQL statement given below and provide us the output without executing the SQL on SSMS or any other onsite SQL tool.

Script – DDL and INSERT Sample Data

--

CREATE TABLE TheAssignmentPuzzle 
(
	 Id INT
	,Vals INT
)
GO

INSERT INTO TheAssignmentPuzzle VALUES
(1,10),
(2,20),
(3,30)
GO

SELECT * FROM TheAssignmentPuzzle
GO

--

Input Data

Id Vals
1 10
2 20
3 30
4 29

Q. What will be the Output of the below SQL Statement?

--

DECLARE @ INT
SELECT @ 
	= MAX(Vals) FROM 
TheAssignmentPuzzle GROUP BY Id
SELECT @
GO

--

Output

--


-----------
29

(1 row affected)

--The output I am getting is the last value of the Id
--As per me it will give me the last maximum value for any Id

--

Enjoy 🙂

Please add comment(s) if you have one or multiple solutions in mind. Thank You.

Pawan Khowal

Pawan is a SQL Server Developer. If you need any help in writing code/puzzle or training please email at – pawankkmr”AT”gmail.com. Meanwhile please go throgh the top pages from his blog.

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