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Query
select
abs(to_number(to_char(to_date('&FromDT_dd_mon_yyyy','dd-mon-yyyy'),
'WW'))
2* -
to_number(to_char(to_date('&ToDT_dd_mon_yyyy','dd-mon-yyyy'),'WW')) ) "Number
of weeks" from dual
SQL> select
abs(to_number(to_char(to_date('&FromDT_dd_mon_yyyy','dd-mon-yyyy'),
'WW'))
-
to_number(to_char(to_date('&ToDT_dd_mon_yyyy','dd-mon-yyyy'),'WW')) )
"Number of weeks" from dual ;
2
Enter value for fromdt_dd_mon_yyyy: 01-Jan-2017
old 1: select
abs(to_number(to_char(to_date('&FromDT_dd_mon_yyyy','dd-mon-yyyy'),
'WW'))
new 1: select
abs(to_number(to_char(to_date('01-Jan-2017','dd-mon-yyyy'), 'WW'))
Enter value for todt_dd_mon_yyyy: 31-Jan-2017
old 2: - to_number(to_char(to_date('&ToDT_dd_mon_yyyy','dd-mon-yyyy'),'WW'))
) "Number of weeks" from dual
new 2: -
to_number(to_char(to_date('31-Jan-2017','dd-mon-yyyy'),'WW')) ) "Number of
weeks" from dual
Number of weeks
---------------
4
SQL> /
Enter value for fromdt_dd_mon_yyyy: 01-Jan-2017
old 1: select
abs(to_number(to_char(to_date('&FromDT_dd_mon_yyyy','dd-mon-yyyy'),
'WW'))
new 1: select
abs(to_number(to_char(to_date('01-Jan-2017','dd-mon-yyyy'), 'WW'))
Enter value for todt_dd_mon_yyyy: 31-Dec-2017
old 2: -
to_number(to_char(to_date('&ToDT_dd_mon_yyyy','dd-mon-yyyy'),'WW')) )
"Number of weeks" from dual
new 2: -
to_number(to_char(to_date('31-Dec-2017','dd-mon-yyyy'),'WW')) ) "Number of
weeks" from dual
Number of weeks
---------------
52
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