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Exam contains 124 questions

Page 7 of 21

Question 37 🔥

Consider the Registration relation shown in the exhibit. Which of the following SQL statements would return the Registration2 relation from the Registration relation?

Which database solution meets these requirements?

A. SELECT Course_Code FROM Registration;

Highly voted

B. SELECT * FROM Registration WHERE Registration_ID = 1003 AND Registration_ID = 1005;

Highly voted

C. SELECT * FROM Registration WHERE Course_Code = A4343';

Highly voted

D. SELECT Registration_ID, Student_ID, First_Name, Last_Name

Highly voted

Discussion of the question

Question 38 🔥

A large enterprise uses a two-tier database architecture and runs complex database applications.Which term best describes the client in this system?

Which database solution meets these requirements?

A. Fat client

Highly voted

B. Enterprise client

Highly voted

C. Thin client

Highly voted

D. Terminal client

Highly voted

Discussion of the question

Question 39 🔥

Which area of database security involves maintaining access to enterprise data?

Which database solution meets these requirements?

A. Theft

Highly voted

B. Privacy

Highly voted

C. Availability

Highly voted

D. Confidentiality

Highly voted

Discussion of the question

Question 40 🔥

Which of the following definitions best describes an entity?

Which database solution meets these requirements?

A. A relation

Highly voted

B. Data about data

Highly voted

C. Data stored in a table column

Highly voted

D. An item about which information is stored

Highly voted

Discussion of the question

Question 41 🔥

What is the highest normal form of the relation(s) shown in the exhibit?

Which database solution meets these requirements?

A. Second normal form

Highly voted

B. First normal form

Highly voted

C. Boyce-Codd normal form

Highly voted

D. Third normal form

Highly voted

E. STUDENT( Student_Number: integer NOT NULL Name: variable length character string length 20 NOT NULL) Primary Key Student_Number CLASS( Class_Num: integer NOT NULL Class_Name: integer NOT NULL) Primary Key Class_Num

Highly voted

F. STUDENT( Student_Number: integer NOT NULL Name: variable length character string length 20 NOT NULL) Primary Key Student_Number CLASS( Class_Num: integer NOT NULL Class_Name: integer NOT NULL) Primary Key Class_Num Foreign Key Class_Num References STUDENT

Highly voted

G. STUDENT( Student_Number: integer NOT NULL Name: variable length character string length 20 NOT NULL) Primary Key StudenMMumber STU_CLASS( Student_Number: integer NOT NULL Class_Num: integer NOT NULL) Primary Key Student_Number CLASS( Class_Num: integer NOT NULL Class_Name: integer NOT NULL) Primary Key Class_Num

Highly voted

Discussion of the question

Question 42 🔥

Which statement best describes a candidate key?

Which database solution meets these requirements?

A. It is the primary key for an entity.

Highly voted

B. It uniquely identifies every instance of an entity.

Highly voted

C. One or more keys are joined together to form a composite key.

Highly voted

D. One or more keys may be used to form a primary key.

Highly voted

Discussion of the question

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Exam contains 124 questions

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