Assume a Designer Is Using the UNION Operator to Combine

question 15

Multiple Choice

Assume a designer is using the UNION 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 Jenna and Howard are included in the CUSTOMER table as well as in the CUSTOMER_2 table.How many records are returned when using the UNION operator?

• A)7
• B)10
• C)15
• D)17

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