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Data Abstraction Quiz Questions and Answers PDF Download eBook

Practice Data Abstraction quiz questions and answers, data abstraction MCQs with answers PDF to solve DBMS worksheet 19 for online graduate programs. Practice Entity Relationship Modeling quiz questions with answers, data abstraction Multiple Choice Questions (MCQ) for online university degrees. Free data abstraction MCQs, 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 to learn e-learning courses. Learn entity relationship modeling questions and answers with free online certification courses for online computer science and engineering.

Quiz on Data Abstraction PDF Download eBook

Data Abstraction Quiz

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

  1. classification
  2. instantiation
  3. identification
  4. exception abstract

A

Relational Database Schemas Quiz

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

  1. candidate key
  2. super key
  3. simple key
  4. parallel key

A

Modeling: Union Types Quiz

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

  1. disjoint super class
  2. joined super class
  3. total super class
  4. partial super class

D

Query Trees Notations Quiz

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

  1. internal nodes
  2. external nodes
  3. theta nodes
  4. entity nodes

D

Disk File Records Quiz

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

  1. linked allocation
  2. indexed allocation
  3. header allocation
  4. contiguous allocation

A