Database Management System Practice Test 35

Weak Entity Types Quiz PDF: Questions and Answers - 35

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Weak Entity Types Questions and Answers PDF Download: Quiz 35

MCQ 171: The entities that have key attributes to be distinct are considered as

A) weak entity

B) strong entity

C) single entity

D) foreign entity

MCQ 172: The JOIN operation which uses any of the comparison operators is classified as

A) THETA JOIN

B) CHI-JOIN

C) PI-JOIN

D) SIGMA-JOIN

MCQ 173: The type of data manipulation language which is embedded in programming and used to retrieve individual objects from database is classified as

A) procedural language

B) external mapping language

C) internal mapping language

D) non procedural language

MCQ 174: In the process of specialization, the subclasses are attached by

A) lines

B) dotted lines

C) red lines

D) red dotted lines

MCQ 175: The levels in which the three schema architecture can be defined includes

A) internal schema

B) conceptual schema

C) external schema

D) all of above

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