Examine the description of the SATES1 table
Name Null type
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SALES_ID NOT NULL NUMBER
STORE_ID NOT NULL NUMBER
ITMES_ID NUMBER
UANTITY NUMBER
SALES_DATE 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 SALES and wish to see the duplicates too
Which set operator generates the required output?
A.MINUS B.UNION ALL C.SUBTRACT D.UNION E.INTERSECT正确答案E
