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CIW 1D0-541 CIW v5 Database Design Specialist
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Question 1 Consider the following relatons shown in the exhibit. Which of the following SQL statements would return the Customers2 relaton from the Customers relatonn
A. SELECT * FROM Customers WHERE SatsfactonoRate <= 80 OR SatsfactonoRate >= 90; B. SELECT * FROM Customers WHERE SatsfactonoRate IN (80 AND 90); C. SELECT * FROM Customers WHERE SatsfactonoRate >= 80 AND SatsfactonoRate <= 89; D. SELECT * FROM Customers WHERE SatsfactonoRate BETWEEN (80, 90);
Aoswern C Question 2 What is the highest normal form of the relaton(s) shown in the exhibitn
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A. No normal form B. Second normal form C. First normal form D. Third normal form
Aoswern D Question 3 Your company must choose which type of database to use for a new project. Which of the following lists three characteristcs of fle-based database systemsn A. Repetton of data, applicaton program fexibility, and data centralizaton B. Incompatbility of fles, tabular data structures, and data dependence C. Separaton of data, repetton of data, and data independence D. Applicaton program infexibility, data dependence, and separaton of data
Aoswern D Question 4 Consider the following relatonal algebraic expression as well as the Dept1oParts and Dept2oParts relatons shown in the exhibit:
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Which of the following relatons would result from the given relatonal algebraic expressionn A.
B.
C.
D.
Aoswern C Question 5 Which statement best describes a procedural data manipulaton language commandn A. It contains a query language for retrieving data. B. It can be used only to manipulate data through a SQL interface.
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C. The user is not required to know how the underlying data structures are implemented. D. It requires that the user know how the underlying data structures are implemented.
Aoswern D Question 6 Consider the Recreaton relaton shown in the exhibit. You need to apply a SQL statement to the Recreaton relaton that will return the following data:
Which SQL statement applied to the Recreaton relaton will return this datan A. SELECT Actvity FROM Recreaton; B. SELECT DISTINCT Actvity FROM Recreaton; C. SELECT Actvity FROM Recreaton WHERE NOT LIKE Actvity; D. SELECT Actvity FROM Recreaton WHERE DISTINCT Actvity;
Aoswern B Question 7 Consider the following database informaton: domain soid: integer domain grd: fxed length character string length 1 STUDENToGRADE( StudentoNumber: soid NOT NULL Grade: grd ) Primary Key StudentoNumber During which phase of the database design process would this informaton be developedn A. Logical B. Physical C. Conceptual D. Implementaton
Aoswern A
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Question 8 In a relatonal database, which term describes a single table consistng of rows and columnsn A. Entty B. Matrix C. Relaton D. Data dictonary
Aoswern C Question 9 Which pair of relatonal algebraic operatons requires union compatbilityn A. Projecton and Cartesian product B. Selecton and projecton C. Intersecton and diference D. Cartesian product and intersecton
Aoswern C Question 10 What is the highest normal form of the relaton(s) shown in the exhibitn
A. Second normal form B. First normal form C. Boyce-Codd normal form D. Third normal form
Aoswern A
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Question 11 Which relatonal algebraic operaton is used to select specifc columns (atributes) from a relatonn A. Union B. Diference C. Projecton D. Intersecton
Aoswern C Question 12 Your enterprise has created a database and database applicaton. The testng phase for the project has started. Which of the following best describes white-box testng of the projects sofwaren A. The database designer tests the sofware because he or she is able to make necessary changes to the underlying code for the sofware. B. A user who has no knowledge of the sofwares underlying code tests the sofware. C. Someone other than the database designer tests the sofware. This person has no access to the underlying code and atempts to use the sofware only in ways not considered by the sofware designers. D. A person tests the sofware and submits suggestons to the sofwarees underlying code. This person is someone other than the database designer, but has access to the sofwares underlying code.
Aoswern D
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