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SQL PUZZLE | SMALLEST Code to get the NEXT Value? | SQL Interview Question

In this puzzle you have to get the last value from the column and get the NEXT value. Please see the sample input and expected output.

Sample Input

Code
ZINC-00100
ZINC-00101
ZINC-00102

Expected Output

(No column name)
ZINC-00103

Script – DDL and INSERT Sample Data

--

DECLARE @TABLE TABLE
(
	Code VARCHAR(100)
)

INSERT INTO @TABLE VALUES 
('ZINC-00100'),
('ZINC-00101'),
('ZINC-00102')

SELECT * FROM @TABLE
GO

--

SOLUTION – 1

--

SELECT TOP 1 'ZINC-' + RIGHT(CONCAT('00000', MAX(REPLACE(code,'ZINC-','') * 1) OVER() + 1),5) 
FROM @TABLE

--

Output – 1

--

----------
ZINC-00103

(1 row affected)

--

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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