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Database Management System Practice Test 19

Data Abstraction Quiz Questions PDF Download - 19

The Book Data Abstraction Quiz Questions, data abstraction MCQ with answers PDF chapter 6-19 to learn online courses, database management system tests. Practice Entity Relationship Modeling trivia questions, data abstraction Multiple Choice Questions (MCQ Quiz) for online college degrees. The eBook Data Abstraction Quiz App Download: data abstraction, relational database schemas, modeling: union types, query trees notations, disk file records test prep for online college classes.

The Quiz: Considering abstraction concepts, the process of assigning the similar entities to similar entity types systematically is called PDF, "Data Abstraction" App Download (Free) with instantiation, classification, identification, and exception abstract choices for bachelor's degree in computer science. Solve entity relationship modeling questions and answers, Amazon eBook to download free sample for online computer science and engineering.

Database Management System: Data Abstraction Quiz PDF Download

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

A) classification
B) instantiation
C) identification
D) exception abstract

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

A) candidate key
B) super key
C) simple key
D) parallel key

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

A) disjoint super class
B) joined super class
C) total super class
D) partial super class

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

A) internal nodes
B) external nodes
C) theta nodes
D) entity nodes

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

A) linked allocation
B) indexed allocation
C) header allocation
D) contiguous allocation

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