how to get the character from string in SQL ?

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I have record in SQL database with varchar(max) datatype like as below
ColumnName :: UserID
Row-1 | 1,2,3,4,5,6
Row-2 | 1,4,5,6
Row-3 | 1

Than i need to retrive record from that column like as below

select * from Table where UserID=1

But that only display only Row-3

i need the result as all Rows which have entry 1

is it possible in SQLserver ???

Posted 28-Mar-14 22:56pm

JatinKhimani

Updated 28-Mar-14 23:32pm

v2

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Siva Hyderabad 29-Mar-14 5:25am

Try this]
select * from Table where Column1=1 and Column2=1 and Column3=1

JatinKhimani 29-Mar-14 5:33am

i have records of Rows in one column so its not possible..

3 solutions

Solution 1

Yes...but it's not at all simple, and it would be a much, much better idea to separate those into separate rows in a different table, with a foreign key relationship back to this one. The problem is that SQL string handling is...basic...and it doesn't know about comma separated data, or arrays, or anything which would make this task easier.

This shows you how to do it: Converting comma separated data in a column to rows for selection[^] - but if you do it often, or on a large set of data, it's a very slow process.

Seriously, I'd use another table.

Posted 28-Mar-14 23:07pm

OriginalGriff

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JatinKhimani 29-Mar-14 5:13am

Thanking you so much.. i will try for it if its working than okay
otherwise i will follow you !!

Solution 3

use like command with wildcards

Posted 28-Mar-14 23:24pm

Jhone2011

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Maciej Los · Accepted Answer · 2014-03-29T05:21:00

There isn't proper way to store numbers as a text.

If you want to extract numbers from text, please try this:

SQL

DECLARE @tmp TABLE (UserID VARCHAR(30))

INSERT INTO @tmp (UserID)
VALUES('1,2,3,4,5,6'), ('1,4,5,6'), ('1')

;WITH MyCTE AS
(
	SELECT 1 AS RowNo, UserID AS NewUserId, NULL AS Remainder 
	FROM @tmp
	WHERE CHARINDEX(',',UserID)=0
	UNION ALL
	SELECT 2 AS RowNo, LEFT(UserID,CHARINDEX(',',UserID)-1) AS NewUserId, RIGHT(UserID,LEN(UserID) - CHARINDEX(',', UserID)) AS Remainder
	FROM @tmp
	WHERE CHARINDEX(',',UserID)>0
	UNION ALL
	SELECT RowNo+1 AS RowNo, LEFT(Remainder,CHARINDEX(',',Remainder)-1) AS NewUserId, RIGHT(Remainder,LEN(Remainder) - CHARINDEX(',', Remainder)) AS Remainder
	FROM MyCTE
	WHERE CHARINDEX(',',Remainder)>0
	UNION ALL 
	SELECT RowNo+1 AS RowNo, Remainder AS NewUserId, NULL AS Remainder
	FROM MyCTE 
	WHERE CHARINDEX(',',Remainder)=0
)
SELECT RowNo, CONVERT(INT,NewUserID) AS NewUserID, Remainder 
FROM MyCTE
--OPTION (MAXRECURSION 0)

Result:

RowNo  NewUID Remainder
1      1      NULL
2      1      2,3,4,5,6
2      1      4,5,6
3      4      5,6
4      5      6
5      6      NULL
3      2      3,4,5,6
4      3      4,5,6
5      4      5,6
6      5      6
7      6      NULL