Database Management System Practice Test 44

Database Constraints and Relational Schemas Multiple Choice Questions (MCQs) PDF Download - 44

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The MCQ Quiz: The multi-valued dependencies and functional dependencies are classified as category of; "Database Constraints & Relational Schemas" App (Play Store & App Store) with answers: Data dependencies; Relation dependencies; Entity dependencies; Attribute dependencies; for computer software engineer online degree. Practice Relational Data Model and Database Constraints Questions and Answers, Apple Book to download free sample to learn online certificate courses.

Database Constraints & Relational Schemas MCQ Quiz with Answers PDF Download: Test 44

MCQ 216:

The multi-valued dependencies and functional dependencies are classified as category of

relation dependencies
data dependencies
entity dependencies
attribute dependencies

MCQ 217:

In the statement DECIMAL (I, j) to specify numeric data type, the digits after the decimal point are called

the precision
the scale
the string
the numeric strip

MCQ 218:

The module of DBMS which focuses on eliminating redundancies, operations reordering and rearrangements is classified as

schema optimizer
query optimizer
interface optimizer
graphical optimizer

MCQ 219:

The model in which the multi-valued and composite attributes is considered as

reverse relational model
flat relational model
parallel relational model
circular relational model

MCQ 220:

The time which is needed for consecutive blocks transferring is classified as

rotational delay
bulk transfer rate
reel time
seek time

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