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Data Abstraction Quiz Questions and Answers PDF p. 19

Data Abstraction quiz questions and answers, data abstraction MCQ with answers PDF 19 to study Database Management System course online. Entity Relationship Modeling trivia questions, data abstraction Multiple Choice Questions (MCQ) for online college degrees. "Data Abstraction " Book PDF: disk file records, query trees notations, modeling: union types, relational database schemas, data abstraction test prep for online college classes.

"Considering abstraction concepts, the process of assigning the similar entities to similar entity types systematically is called" MCQ PDF: instantiation, classification, identification, and exception abstract for bachelor's degree in computer science. Practice entity relationship modeling questions and answers to improve problem solving skills for online computer science and engineering.

Quiz on Data Abstraction MCQs

MCQ: Considering abstraction concepts, the process of assigning the similar entities to similar entity types systematically is called

classification
instantiation
identification
exception abstract

MCQ: In a relation schema, each key of schema having more than one key is classified as

candidate key
super key
simple key
parallel key

MCQ: The category which considers the subset of union of entities included in super class is classified

disjoint super class
joined super class
total super class
partial super class

MCQ: In a query tree, the operations of relational algebra are classified as

internal nodes
external nodes
theta nodes
entity nodes

MCQ: The kind of allocation in which the file blocks contain the pointer to the next blocks of file is classified as

linked allocation
indexed allocation
header allocation
contiguous allocation