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7.4

How rotate columns with rows

Asked by dba_raf in Oracle Database, Oracle 9.x

Hi,
I've this table ANSWER (with more 30 column answers)

EMP_ID.....DIVISION.....CITY......ANSWER1.....ANSWER2.....ANSWER3.....ANSWER4......ANSWER5
001.........AAAA.......LONDON......0...........1............30......................0
033.........BBBB.......ROME......0...........0............30............20..........90
222.........CCCC.......BOSTON......0.......................30.......................
555.........DDDD.......CHICAGO......0...........1............60..........10.........60
666.........EEEE.......NEW YORK......0...........1............50............0.........50
........................................................................................
........................................................................................
more 1000 records

I'd like to write one query with each column answer into multiple rows like this:

EMP_ID....DIVISION....CITY.......ANSWER
001........AAAA.......LONDON.......0
001........AAAA.......LONDON.......1
001........AAAA.......LONDON.......30
001........AAAA.......LONDON.........
001........AAAA.......LONDON.......0

033........BBBB.......ROME.......0
033........BBBB.......ROME.......0
033........BBBB.......ROME.......30
033........BBBB.......ROME.......20
033........BBBB.......ROME.......90

222........CCCC.......BOSTON.......0
222........CCCC.......BOSTON.......
222........CCCC.......BOSTON.......30
222........CCCC.......BOSTON.........
222........CCCC.......BOSTON.......

555........DDDD.......CHICAGO.......0
555........DDDD.......CHICAGO.......1
555........DDDD.......CHICAGO.......60
555........DDDD.......CHICAGO.......10
555........DDDD.......CHICAGO.......60

001........AAAA.......NEW YORK.......0
001........AAAA.......NEW YORK.......1
001........AAAA.......NEW YORK.......50
001........AAAA.......NEW YORK.........0
001........AAAA.......NEW YORK.......50

..................................
..................................
..................................

How can I write my query to get this output?

Thanks in advance!
[+][-]09/05/08 05:02 AM, ID: 22397703Expert Comment

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Zones: Oracle Database, Oracle 9.x
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Solution Provided By: Milleniumaire
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Solution Grade: A
 
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