How to arrange row without null value.

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3.50/5 (2 votes)

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SQL-Server-2008R2

I have a generate color table as I mention below with pivote methods

SQL

color1     color 2
Green       --
yellow      --
--          Black
--          White

I want to show this

XML

color1     color 2
Green       Black
yellow      White

Please help to resolve it

Posted 30-Jun-14 20:14pm

DINESH K MAURYA

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Tadit Dash (ତଡିତ୍ କୁମାର ଦାଶ) 1-Jul-14 2:19am

What have you tried?

DINESH K MAURYA 1-Jul-14 2:26am

I have a table xyz which row is
colortype colorname
--------------
color1 Green
color2 black
color1 yelow
color1 Pink
color2 white

I have pivot it
and reslut as in question but i want to show like
color1 color 2
__________________
Green Black
yellow White

I have show in gridview it

2 solutions

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Andrius Leonavicius · Answer 1 · 2014-07-01T20:05:00

Solution 1

Hi,

You can do it in this way:

SQL

CREATE TABLE #TempColors (Color1 VARCHAR(50), Color2 VARCHAR(50));
 
INSERT INTO #TempColors (Color1, Color2)
VALUES ('Green', NULL), ('Yellow', NULL), (NULL, 'Black'), (NULL, 'White'), ('Pink', NULL);
 
SELECT Color1, Color2 FROM #TempColors;
 

;WITH IDs_CTE
     AS (SELECT ROW_NUMBER() OVER (ORDER BY (SELECT 0)) AS ID
         FROM #TempColors),
     Color1_CTE
     AS (SELECT ROW_NUMBER() OVER (ORDER BY (SELECT 0)) AS ID, Color1
         FROM #TempColors
         WHERE Color1 IS NOT NULL),
     Color2_CTE
     AS (SELECT ROW_NUMBER() OVER (ORDER BY (SELECT 0)) AS ID, Color2
         FROM #TempColors
         WHERE Color2 IS NOT NULL)
SELECT Color1_CTE.Color1, Color2_CTE.Color2
FROM   IDs_CTE
       LEFT OUTER JOIN Color1_CTE
                    ON Color1_CTE.ID = IDs_CTE.ID
       LEFT OUTER JOIN Color2_CTE
                    ON Color2_CTE.ID = IDs_CTE.ID
WHERE  Color1_CTE.Color1 IS NOT NULL OR Color2_CTE.Color2 IS NOT NULL
 

DROP TABLE #TempColors;

Posted 1-Jul-14 20:05pm

Andrius Leonavicius

Updated 1-Jul-14 20:27pm

v2

Comments

DINESH K MAURYA 2-Jul-14 2:30am

Thanks for reply
If the color1 and color2 are dynamic then how to do this

Andrius Leonavicius 2-Jul-14 2:43am

Do you mean that it could be color3, color4, etc.?

DINESH K MAURYA 2-Jul-14 2:44am

Yes may be increase or descress
because i have generate this table after pivot

Andrius Leonavicius 2-Jul-14 3:40am

OK, I get it now. I gave you a dynamic pivot solution recently: Transpose query result[^]. If you're using it, then you can easily rearrange values. For example, change
ORDER BY Attribute_SubID
to
ORDER BY Attribute_Sub DESC
and after
[...] AS RowNumber
FROM #DataTable:
add this line:
WHERE Attribute_Sub <> ''--''

DINESH K MAURYA 2-Jul-14 5:08am

As you suggest that I have change accordingly
blow modified code, but same result


CREATE TABLE #DataTable (Attribute_SubID INT, AttributeID INT, Attribute_Sub NVARCHAR(50));

INSERT INTO #DataTable (Attribute_SubID, AttributeID, Attribute_Sub) VALUES (3, 2, 'xyz'), (4, 2, 'abc'), (3, 2, 'def');

 
DECLARE @ColumnsTable TABLE (Col VARCHAR(10));

INSERT INTO @ColumnsTable (Col)
SELECT DISTINCT Attribute_SubID FROM #DataTable;

DECLARE @SQL VARCHAR(MAX);

SET @SQL = ';WITH Data
AS
(
SELECT Attribute_SubID, Attribute_Sub, ROW_NUMBER() OVER (PARTITION BY Attribute_SubID
ORDER BY Attribute_Sub desc) AS RowNumber
FROM #DataTable
where Attribute_Sub <> ''--''
)
SELECT ' + (SELECT STUFF((SELECT ', ISNULL([' + Col + '], ''--'') AS [' + Col + ']'
FROM @ColumnsTable
FOR XML PATH('')), 1, 2, '')) +
'
FROM Data
PIVOT
(
MAX(Attribute_Sub)
FOR Attribute_SubID IN
(' + (SELECT STUFF((SELECT ', [' + Col + ']'
FROM @ColumnsTable
FOR XML PATH('')), 1, 2, '')) + ')
) AS pvt;';

--SELECT @SQL;
 
EXEC(@SQL);

 
DROP TABLE #DataTable;

Andrius Leonavicius 2-Jul-14 5:21am

Really? Have you tried it with your data? I tried with the following data:
(3, 2, 'xyz'), (4, 2, 'abc'), (3, 2, NULL), (4, 2, NULL), (4, 2, '2'), (3, 2, '3')

Here's the difference:
3 4
xyz abc
3 2

versus

3 4
xyz --
-- 2
3 abc

DINESH K MAURYA 2-Jul-14 5:34am

Thanks alot

Andrius Leonavicius 2-Jul-14 5:37am

You're welcome.

Andrius Leonavicius 2-Jul-14 4:16am

Also, it would be nice if you would accept valuable answers (and rate them). :)

Magic Wonder · Answer 2 · 2014-07-01T20:33:00

Hi,

Try this.

SQL

create table myColour
(
color1 varchar(20),
color2 varchar(20),
)

INSERT INTO myColour (color1) values ('White')
INSERT INTO myColour (color1) values ('Black')
INSERT INTO myColour (color2) values ('Yellow')
INSERT INTO myColour (color2) values ('Green')

SELECT * FROM myColour


--exec getMyColour
CREATE PROC getMyColour
AS
BEGIN

CREATE TABLE #tmpTableA(
	[ID] [INT] IDENTITY(1,1),
	[color1] [varchar](20)
)

INSERT INTO #tmpTableA SELECT color1 from myColour where isnull(color1,'') <> ''

CREATE TABLE #tmpTableB(
	[ID] [INT] IDENTITY(1,1),
	[color2] [varchar](20)
)

INSERT INTO #tmpTableB SELECT color2 from myColour where isnull(color2,'') <> ''


SELECT [color1],[color2] from #tmpTableA A, #tmpTableB B
where A.id=B.id

END

Hope this will help you.

Cheers.