Database Systems Practice Test 255

Database Views Quiz PDF: Questions and Answers - 255

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Database Views Questions and Answers PDF Download: Quiz 255

MCQ 1271: Whenever we evaluate the query, the view relation is

A) Computed

B) Recomputed

C) Compiled

D) Recompiled

MCQ 1272: The Physical schema describes the database design at the level

A) View level

B) Virtual level

C) Logical level

D) Physical level

MCQ 1273: Devices that store a huge number of optical disks are called

A) Records

B) Jukeboxes

C) Tracks

D) Sectors

MCQ 1274: The E-R data model employs basic concepts of type

A) 2 types

B) 3 types

C) 4 types

D) 5 types

MCQ 1275: The process of regulating parts of the database for various users to access, is known as

A) Authentication

B) Authorization

C) Rotation

D) Routining

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