Multiple Choice
Assume you are using the UNION ALL operator to combine the results from two tables with identical structure,CUSTOMER and CUSTOMER_2.The CUSTOMER table contains 10 rows,while the CUSTOMER_2 table contains 7 rows.Customers Dunne and Olowski are included in the CUSTOMER table as well as in the CUSTOMER_2 table.How many records are returned when using the UNION ALL operator?
A) 7
B) 10
C) 15
D) 17
Correct Answer:

Verified
Correct Answer:
Verified
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