Assume You Are Using the UNION ALL Operator to Combine

question 14

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

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Definitions:

Points Of Reference

Specific locations or landmarks used to establish positions or to measure distances.

Lesion

An injury or wound; a circumscribed area of pathologically altered tissue.

Pathologically Altered Tissue

Tissue that has undergone changes due to disease or disorders.

Intravenous Pyelogram (IVP)

The insertion of a radiopaque material into the vein for the purpose of X-raying the kidneys and ureters.