SQL QUERY HELP

I have the following table.

CREATE TABLE Table1
	([City] varchar(9), [Title] varchar(6), [Seller] varchar(25))

	
INSERT INTO Table1
	([City], [Title], [Seller])
VALUES 	('Chennai', 'Book1', 'AAA')

INSERT INTO Table1([City], [Title], [Seller])
VALUES 	('Chennai', 'Book2', 'BBB')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('Chennai', 'Book3', 'A1A')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('Mumbai', 'Book1', 'SAS')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('Mumbai', 'Book2', 'SAY')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('Mumbai', 'Book3', 'MBM')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('Bangalore', 'Book3','ADF')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('Bangalore', 'Book2', 'ASD')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('Bangalore', 'Book1', 'DWE')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('London', 'Book2', 'LLA')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('London', 'Book1', 'SLA')

INSERT INTO Table1
	([City], [Title], [Seller])
VALUES ('London', 'Book3', 'SSS')
        

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I need  the following output. How to achieve this using SQL query ?

Chennai     [Book1: AAA]  [Book2:BBB]  [Book3: A1A]
Mumbai     [Book1: SAS]  [Book2:SAY]  [Book3: MBM]
Bangalore  [Book1: DWE]  [Book2:ASD]  [Book3: ADF]
London      [Book1: SLA]  [Book2:LLA]  [Book3: SSS]
Varshini SAsked:
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Give this a whirl.  Looks cleaner, and uses PIVOT
SELECT City, [Book1] as Book1, [Book2] as Book2, [Book3] as Book3
FROM (SELECT City, Title, Seller FROM Table1) t1
	PIVOT ( MIN(Seller) FOR Title IN ([Book1], [Book2], [Book3])) as pvt
ORDER BY City

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Varshini SAuthor Commented:
Jim Horn:  The column value needs to be in one column.

     City                               Book Details
Chennai       [Book1: AAA]  [Book2:BBB]  [Book3: A1A]
 Mumbai     [Book1: SAS]  [Book2:SAY]  [Book3: MBM]
 Bangalore  [Book1: DWE]  [Book2:ASD]  [Book3: ADF]
 London       [Book1: SLA]  [Book2:LLA]  [Book3: SSS]
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Prolly can't pull that off in one statement, but you could always throw the above into a subquery, and do the 1-2-3 concatenation in the main query.  Changed, and added the cosmetic formatting
SELECT City, 
   '[Book1: ' + Book1 + '] ' + 
   '[Book2: ' + Book2 + '] ' + 
   '[Book3: ' + Book3 + '] ' AS BookDetails
FROM (
   SELECT City, 
      [Book1] as Book1,
      [Book2] as Book2,
      [Book3] as Book3
   FROM (SELECT City, Title, Seller FROM Table1) t1
      PIVOT (MIN(Seller) FOR Title IN ([Book1], [Book2], [Book3])) as pvt
   ) a
ORDER BY City

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Varshini SAuthor Commented:
Jim Horn:  Thank You. In this table I have one more column called ActiveStatus.  So in this query I need a add a where condition to check only ActiveStatus='Y'.  Where should I add this condition ?
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Without looking at a table schema, I'd put it in row 10.
If this doesn't work let me know..
SELECT City, 
   '[Book1: ' + Book1 + '] ' + 
   '[Book2: ' + Book2 + '] ' + 
   '[Book3: ' + Book3 + '] ' AS BookDetails
FROM (
   SELECT City, 
      [Book1] as Book1,
      [Book2] as Book2,
      [Book3] as Book3
   FROM (SELECT City, Title, Seller FROM Table1 WHERE ActiveStatus='Y') t1
      PIVOT (MIN(Seller) FOR Title IN ([Book1], [Book2], [Book3])) as pvt
   ) a
ORDER BY City

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Varshini SAuthor Commented:
I have added this condition. But it return NULL values for all BookDetails column
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
I think I've answered your base question, so let's close this one out and discuss new requirements as a new question.

One of the things you're going to have to do is figure out what to do with NULLs, i.e. what to do if there is no intersect between Book and Seller.   You'll also want to think about how to handle multiple values as well.
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Jim HornMicrosoft SQL Server Developer, Architect, and AuthorCommented:
Just dealing with NULLs for now
SELECT City, 
   CASE WHEN Book1 IS NULL THEN '' ELSE '[Book1: ' + Book1 + '] ' END + 
   CASE WHEN Book2 IS NULL THEN '' ELSE '[Book2: ' + Book2 + '] ' END + 
   CASE WHEN Book3 IS NULL THEN '' ELSE '[Book3: ' + Book3 + '] ' END AS BookDetails
FROM (
   SELECT City, 
      [Book1] as Book1,
      [Book2] as Book2,
      [Book3] as Book3
   FROM (SELECT City, Title, Seller FROM Table1) t1
      PIVOT (MIN(Seller) FOR Title IN ([Book1], [Book2], [Book3])) as pvt
   ) a
ORDER BY City

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Anything beyond this, please close this question out and ask another.
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PortletPaulfreelancerCommented:
You can also use "FOR XML PATH" for this especially if there is a variable number of books per city
SELECT
  t1.city
, ca.details
FROM table1 t1
    CROSS APPLY (
        SELECT
        STUFF((
              SELECT
                    ' [' + table1.Title + ':' + table1.seller + ']'
              FROM table1 
              WHERE table1.city = t1.city
              ORDER BY table1.title, seller
              FOR XML PATH ('')
              )
             , 1, 1, '')
         ) ca (details)
group by
  t1.city
, ca.details
;

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Results:
|      CITY |                             DETAILS |
|-----------|-------------------------------------|
| Bangalore | [Book1:DWE] [Book2:ASD] [Book3:ADF] |
|   Chennai | [Book1:AAA] [Book2:BBB] [Book3:A1A] |
|    London | [Book1:SLA] [Book2:LLA] [Book3:SSS] |
|    Mumbai | [Book1:SAS] [Book2:SAY] [Book3:MBM] |

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see: http://sqlfiddle.com/#!3/4d60b/3
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Microsoft SQL Server 2008

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