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Data Abstraction Quiz Questions PDF p. 19

Practice Data Abstraction quiz questions and answers, data abstraction MCQs with answers PDF 19 to solve Database Management System mock tests for online college programs. Solve Entity Relationship Modeling MCQ questions bank, data abstraction Multiple Choice Questions (MCQ) for online college degrees. "Data abstraction Quiz" 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", data abstraction Multiple Choice Questions (MCQ) with choices 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

1.

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

classification
instantiation
identification
exception abstract

2.

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

candidate key
super key
simple key
parallel key

3.

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

4.

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

internal nodes
external nodes
theta nodes
entity nodes

5.

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
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