Database Management System Practice Test 44

Database Constraints and Relational Schemas Test Questions PDF - 44

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The Test: The multi-valued dependencies and functional dependencies are classified as category of PDF, "Database Constraints and Relational Schemas Test" App APK Download with data dependencies, relation dependencies, entity dependencies, and attribute dependencies choices for CS major. Study relational data model and database constraints questions and answers, Apple Book to download free sample for applied computer science.

Database Management System: Database Constraints & Relational Schemas MCQs Quiz PDF Download

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

A) relation dependencies

B) data dependencies

C) entity dependencies

D) attribute dependencies

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

A) the precision

B) the scale

C) the string

D) the numeric strip

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

A) schema optimizer

B) query optimizer

C) interface optimizer

D) graphical optimizer

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

A) reverse relational model

B) flat relational model

C) parallel relational model

D) circular relational model

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

A) rotational delay

B) bulk transfer rate

C) reel time

D) seek time

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