Display the order number and the number of months since the
order was shipped for all orders that have been shipped in
the last year (365 days). (Hint: Unshipped orders will have
a null value).
Answer / ankit
Select Order_num, MONTHS_BETWEEN(SYSDATE,Shipped_date) no_of_months from Table where shipped_date is not null and to_date('sysdate','YYYY') = '2012';
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