Similar to pivoting ,but not pivoting

Question

Hi all,
I have a table for example with a name test
SQL> create table test (a number,b number, c number);
Table created.
SQL> insert into test values(1,2,3);
1 row created.
SQL> insert into test values(4,5,6);
1 row created.
SQL> insert into test values(7,8,9);
1 row created.
SQL> commit;
Commit complete.
SQL> select * from test;
         A          B          C
         1          2          3
         4          5          6
         7          8          9i need to create a procedure to do the following this,
it should have the table name as a input parameter
when i pass the table name test , then
it needs to create a new table with name test_attr with the columns row,name,value.
which should come like
test_ATTR
ROW  NAME  VALUE
1       A        1
1       B        2
1       C        3
2       A        4
2       B        5
2       C        6
3       A        7
3       B        8
3       C        9these values are taken from test table .
Edited by: Mohd Mehraj Hussain on Apr 8, 2010 10:32 AM
Edited by: Mohd Mehraj Hussain on Apr 8, 2010 10:32 AM

Answer 1

Test_new is a with clause that I have added to create a temp table to inlcude rownum. this might explain you better
PRAZY@11gR1> create table test (A number,B number,C number);
Table created.
Elapsed: 00:00:00.01
PRAZY@11gR1> insert into test values(1,2,3);
1 row created.
Elapsed: 00:00:00.00
PRAZY@11gR1> insert into test values(4,5,6);
1 row created.
Elapsed: 00:00:00.00
PRAZY@11gR1> insert into test values(7,8,9);
1 row created.
Elapsed: 00:00:00.00
PRAZY@11gR1> commit;
Commit complete.
Elapsed: 00:00:00.00
PRAZY@11gR1> select * from test;
         A          B          C
         1          2          3
         4          5          6
         7          8          9
Elapsed: 00:00:00.00
PRAZY@11gR1> with TEST_NEW as (select rownum col_row,A,B,C from test)
  2  select * from test_new
  3  unpivot include nulls (value for col_name in (A,B,C));
   COL_ROW C      VALUE
         1 A          1
         1 B          2
         1 C          3
         2 A          4
         2 B          5
         2 C          6
         3 A          7
         3 B          8
         3 C          9
9 rows selected.
Elapsed: 00:00:00.01for more info on WITH clause refer
http://morganslibrary.org/reference/with.html
http://www.oracle.com/technology/products/oracle9i/daily/oct10.html
If you believe that your query has been answered, pls close the thread. so that anyone who searches for UNPIVOT would benefit from this. and do change the heading to UNPIVOT in your first post.
Regards,
Prazy
Edited by: Prazy on Apr 8, 2010 11:03 AM