Write a query to add a 2 where the number ends 0 and add a 3 where the number ends in 1.

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1.00/5 (2 votes)

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I have a table with a column Sold that has rows with the flowing values:

81, 10, 40, 71, 21, 31, 41, 30, 90, 61, 50, 11, 20, 91, 60

I'm trying to write a query to add a 2 where the number ends 0 and add a 3 where the number ends in 1.

What I have tried:

This is my sad attempt so far

Select SalesId, EmployeeId, CAST(Sold as varchar(20)) + '1'
From Sales
WHERE Sold LIKE '%1'

I don't know if I should use CASE or IF statements

Posted 24-May-17 13:53pm

Commish13

Updated 24-May-17 20:17pm

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MadMyche 24-May-17 23:46pm

LEFT and RIGHT can be used on numeric fields, Right(Sold, 1) is a little cleaner looking IMHO

2 solutions

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RossMW · Accepted Answer · 2017-05-24T15:00:00

Solution 1

try

select SalesId, EmployeeId, case when right(cast(sold as varchar(20)),1) = '0' then sold + 2 else case when right(cast(sold as varchar(20)),1) = '1' then sold + 1 else sold end end from Sales

Posted 24-May-17 15:00pm

RossMW

Comments

Maciej Los 25-May-17 2:08am

5ed!

Maciej Los · Accepted Answer · 2017-05-24T20:17:00

In addition to solution1 by RossMW[^] i'd suggest to do it in more efficient way by using modulo[^].

SQL

DECLARE @tmp TABLE(myNumber INT)

INSERT INTO @tmp (myNumber)
VALUES(81), (10), (40),(71), (21), 
	(31), (41), (30), (90), (61), 
	(50), (11), (20), (91), (60)

SELECT myNumber, CASE WHEN myNumber % 10 = 0 THEN myNumber + 2 ELSE myNumber + 1 END AS NewMyNumber
FROM @tmp

Result:

myNumber	NewMyNumber
81			82
10			12
40			42
71			72
21			22
31			32
41			42
30			32
90			92
61			62
50			52
11			12
20			22
91			92
60			62