Database Management System Practice Test 15

Database Constraints and Relational Schemas Quiz PDF: Questions and Answers - 15

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Database Constraints & Relational Schemas Questions and Answers PDF Download: Quiz 15

MCQ 71: The key which specifies that two different tuples cannot have the same value is classified as

A) super key

B) simple key

C) parallel key

D) conceptual key

MCQ 72: The information stored in the information repository can be accessed by

A) client servers

B) host computers

C) security managers

D) database administrators

MCQ 73: The types of binary operations includes

A) union

B) intersection

C) set difference

D) all of above

MCQ 74: The format or data type must be specified for

A) table ender

B) entity domain

C) range

D) domain

MCQ 75: The implications of database management approaches includes

A) flexibility

B) economies of scale

C) reduced development time

D) all of theses

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