Database Systems Practice Test 56

Query Processing Multiple Choice Questions (MCQ) PDF - 56

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Query Processing Questions and Answers PDF Download: Quiz 56

MCQ 276: An operation of relational algebra annotated with instructions on how to evaluate it is called an

A) Execution plan

B) Query plan

C) Evaluation primitive

D) Execution engine

MCQ 277: The full from of char is

A) Charter

B) Chart

C) Character

D) Charper

MCQ 278: In generalization, the higher-level entities are designated by the term

A) Strong entity set

B) Weak entity set

C) Superclass

D) Subclass

MCQ 279: The medium of storage used for data that is available to be operated on is

A) Flash memory

B) Main memory

C) Magnetic-disk storage

D) Cache

MCQ 280: The form of file organization and the internal storage structure is included in the

A) Logical features

B) Structural features

C) Physical features

D) Procedural features

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