I have a table sample below
ENABLED FILE_NAME SCHEDULED_DATE
1 TEST_20201101.CSV 01-NOV-20 11.00.00 PM
1 TEST_20201102.CSV 02-NOV-20 11.00.00 PM
1 TEST_20201103.CSV 03-NOV-20 11.00.00 PM
1 TEST_20201104.CSV 04-NOV-20 11.00.00 PM
1 TEST_20201105.CSV 05-NOV-20 11.00.00 PM
1 TEST_20201106.CSV 06-NOV-20 11.00.00 PM
..
..
..data till Nov30.
I want to update enabled column to 0 for all days where it is Saturday/Sunday. Tried using extract() but it returns day number for a date eg: extract on 2020-Nov-27 will return 27
You can use to_char()
:
update t
set enabled = 1
where to_char(scheduled_date, 'Dy') in ('Sun', 'Sat');
The below query can help you to get the particular day from a time
select to_char(SHCEDULED_DATE,'Day') from date_stack
Below is to update
update date_stack set enabled='0' where SHCEDULED_DATE in (select SHCEDULED_DATE from date_stack where trim(to_char(SHCEDULED_DATE,'Day'))='Saturday' or trim(to_char(SHCEDULED_DATE,'Day'))='Sunday' )
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