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insert into table
as select '2009' year,rownum week,to_date('2008-12-28','yyyy-mm-dd')+(rownum-1)*7 start_date,
to_date('2008-12-28','yyyy-mm-dd')+rownum*7-1 end_date
from dual
connect by rownum <=52

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SQL code:
select to_char(to_date('2009-1-3','yyyy-mm-dd')+(rownum-1)*7,'yyyy')year,
to_number(to_char(to_date('2009-1-3','yyyy-mm-dd')+(rownum-1)*7,'iw'))week,
to_date('2008-12-28','yyyy-mm-dd')+(rownum-1)*7 startdate,
to_date('2009-1-3','yyyy-mm-dd')+(rownum-1)*7 enddate from dual
connect by rownum<1000


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name varchar(50)
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