Question 18 Which of the following statements best describes a "UNION" operation It returns only values that are in the

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Question 18 Which Of The Following Statements Best Describes A Union Operation It Returns Only Values That Are In The 1 (89.23 KiB) Viewed 25 times

Question 18 Which of the following statements best describes a "UNION" operation It returns only values that are in the first table. It returns only values found in the second query's results that are not is the first query's results. It returns values that are found in the first query's results or the second query's results. It returns only values found in both the first query's results and the second query's results. It returns only values found in the first query's results that are not in the second query's results. Question 19 Which of the following statements best describes an "INTERSECT" operation. It returns only values found in both the first query's results and the second query's results. Olt returns only values found in the first query's results that are not in the second query's results. It returns only values found in the second query's results that are not in the first query's results. It returns only values found in the first table, It returns only values that are in the first query's results or the second query's results. Question 20 Using the Colonial Adventure Tours database, answer the question below. What is the name of the primary key for the RESERVATION table. Be sure to spell it exactly the way it is spelled in the book. If it is misspelled, you will not get the points, Question 21 Using the Solmaris Condominium Group database, answer the question below. Which of the following best describes the LOCATION table? A. (LOCATION_NUM, LOCATION NAME ADDRESS, CITY, STATE, POSTAL CODE) B. (LOCATION_NUM, LOCATION_NAME, ADDRESS, CITY, STATE, POSTAL C. LOCATION NUM, LOCATION_NAME, ADDRESS, CITY, STATE, POSTAL_CODE) D. LOCATION NUM, LOCATION NAME, ADDRESS, CITY, STATE, POSTAL CODE) AL CODE Enter the correct letter in the blank below.