How to write a query for

i need to get data from this form:
start_yrwk end_yrwk
200804 200807
200817 200818
200817 200819
200818 200822
200851 200902
to:
200804
200805
200806
200807
200817
200818
200819
200820
200821
200822
200851
200852
200901
200902
how can i achieve this? thanks
Edited by: user565033 on Nov 4, 2009 11:41 AM

with t as (
           select 200804 start_yrwk,200807 end_yrwk FROM DUAL UNION ALL
           select 200817,200818 FROM DUAL UNION ALL
           select 200817,200819 FROM DUAL UNION ALL
           select 200818,200822 FROM DUAL UNION ALL
           select 200851,200902 FROM DUAL
SELECT DISTINCT column_value
FROM t,
        table(cast(multiset(select start_yrwk + level - 1 from dual connect by level <= end_yrwk - start_yrwk + 1) as sys.OdciNumberList))
ORDER BY column_value
COLUMN_VALUE
      200804
      200805
      200806
      200807
      200817
      200818
      200819
      200820
      200821
      200822
      200851
COLUMN_VALUE
      200852
      200853
      200854
      200855
      200856
      200857
      200858
      200859
      200860
      200861
      200862
COLUMN_VALUE
      200863
      200864
      200865
      200866
      200867
      200868
      200869
      200870
      200871
      200872
      200873
COLUMN_VALUE
      200874
      200875
      200876
      200877
      200878
      200879
      200880
      200881
      200882
      200883
      200884
COLUMN_VALUE
      200885
      200886
      200887
      200888
      200889
      200890
      200891
      200892
      200893
      200894
      200895
COLUMN_VALUE
      200896
      200897
      200898
      200899
      200900
      200901
      200902
62 rows selected.
SQL> SY.
Fixed for overlaping data.
Edited by: Solomon Yakobson on Nov 4, 2009 12:09 PM

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