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Database Systems Practice Test 141

Database Design Quiz Questions and Answers PDF - 141

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Database Design Questions and Answers PDF Download: Quiz 141

MCQ 701: Among the undesirable property that a bad design may have, includes

A) Repetition of information
B) Inability to represent some information
C) No integrity constraints
D) All of the Above

MCQ 702: If the where clause is omitted, in which case

A) All tuples are deleted
B) All attribute are deleted
C) Specified tuples are deleted
D) Specified attributes are deleted

MCQ 703: Operation that outputs pairs of rows from the two input relations that have the same value on all attributes that have the same name, is known as

A) Natural join
B) Union operation
C) Selection
D) Projection

MCQ 704: A schema can be defined by the languages

A) Data Modification language
B) Data Definition language
C) Data Declaration language
D) Both A and B

MCQ 705: SQL provides a way of renaming the attributes of a result relation, with the clause

A) Renew
B) Rename
C) AS
D) Modify

Database Systems Exam Prep Tests

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DBMS App (Android & iOS)

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