Selecting data from single table with different condition in single query

Hi everybody...
I have one table with col1, col2, col3, col4, col5... as columns.
I want to select col1, col2, col3 with condition (x=y and a=b and c=d)
I want to select col4, col5 with condition (x=y and a=b and m=n )
in single query...
Thanx for ur help

Given this data set...
SQL> select * from oddity
  2  /
      COL1       COL2       COL3       COL4       COL5 A X C M
         1          2          3          4          5 B Y   M
         1          2          3          4          5 A Y C N
         1          2          3          4          5 A Y D M
         1          2          3          4          5 A Y D N
         1          2          3          4          5 B Y D N
         1          2          3          4          5 B Y D U
6 rows selected.
SQL>The following query meets the requirements. Of course, the requirements as stated are incomplete. I ahave assumed that we select all five columns if C=D andM=N.
SQL> SELECT decode(c, 'D', col1, '0') AS col1
  2         , decode(c, 'D', col2, '0') AS col2
  3         , decode(c, 'D', col3, '0') AS col3
  4          , decode(m, 'N', col4, '-8') AS col4
  5           , decode(m, 'N', col5, '-8') AS col5
  6  FROM oddity
  7  WHERE a = 'B'
  8  AND  x = 'Y'
  9  /
      COL1       COL2       COL3       COL4       COL5
         0          0          0         -8         -8
         1          2          3          4          5
         1          2          3         -8         -8
SQL> Cheers, APC

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    10      FIELDS TERMINATED BY ','
    11      MISSING FIELD VALUES ARE NULL
    12      (
    13        country_code      CHAR(5),
    14        country_name      CHAR(50),
    15        country_language  CHAR(50)
    16      )
    17    )
    18    LOCATION ('SE2.csv')
    19  )
    20  PARALLEL 5
    21  REJECT LIMIT UNLIMITED;
    Table created.
    SQL> select * from se2_ext;
    SQL> select count(*) from se2_ext;
    select count(*) from se2_ext
    ERROR at line 1:
    ORA-29913: error in executing ODCIEXTTABLEOPEN callout
    ORA-29400: data cartridge error
    KUP-04043: table column not found in external source: SE_REF_NO
    ORA-06512: at "SYS.ORACLE_LOADER", line 19

    It would appear that you external table definition and the external data file data do not match up. Post a few input records so someone can duplicate the problem and determine the fix.
    HTH -- Mark D Powell --

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