View the Exhibit and examine the description of the PRODUCT_INFORMATION table.
You want to display the expiration date of the warranty for a product.
Which SQL statement would you execute?
A.
SELECT product_id, SYSDATE + warranty_period
FROM product_information;
B.
SELECT product_id, TO_YMINTERVAL(warranty_period)
FROM product_information;
C.
SELECT product_id, TO_YMINTERVAL(SYSDATE) + warranty_period FROM product_information;
D.
SELECT product_id, TO_YMINTERVAL(SYSDATE + warranty_period) FROM product_information;
TO_YMINTERVAL(’03-11′) would return 3 years 11 months as INTERVAL YEAR TO MONTH type
TO_YMINTERVAL(’01-05′) would return 1 year 5 months as INTERVAL YEAR TO MONTH type
TO_YMINTERVAL(’00-01′) would return 0 years 1 month as INTERVAL YEAR TO MONTH type
Year To Month Interval. Add YY-MM to the Sysdate.
C is invalid:
select to_yminterval(SYSDATE) from dual; — invalid —
select to_yminterval(’01-05′) from dual; output ==> 1-5