Choose the best answer. Examine the description of the SALES1 table: Name Null Type
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SALES_ID
STORE_ID
ITEMS_ID
QUANTITY
SALES_DATE
SALES2 is a table with the same description as SALES1.
Some sales data is contained
erroneously in both tables. You must display rows from SALES1 and SALES2 and wish to see the duplicates too.
Which set operator generates the required output?