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Download Query Optimization Quiz App | Database Systems e-Book PDF

Database Systems Cerification Guide: Practice Test 3 (Chapter 17)

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The Quiz: An option in view maintenance, in which only the affected part of the view is modified is known as; "Query Optimization" App (iOS, Android) with answers: deferred view maintenance, immediate view maintenance, data-view maintenance, and incremental view maintenance for online software engineering degrees. Study Concurrency Control Concept in DBMS Quiz Questions, download Google Book (Free Sample) for top computer science schools.

Query Optimization Exam Questions and Answers PDF Download: Test 3

MCQ: 11

An option in view maintenance, in which only the affected part of the view is modified is known as

  1. Immediate view maintenance
  2. Deferred view maintenance
  3. Data-view maintenance
  4. Incremental view maintenance
MCQ: 12

The process of replacement of a nested query by a query with a join is called

  1. Correlation
  2. Decorrelation
  3. Materialization
  4. Non-materialization
MCQ: 13

The technique chosen by the database system for evaluation of an operation depends on the size of

  1. Relation
  2. Distribution of columns
  3. Distribution of tuples
  4. Both A and B
MCQ: 14

The term that optimizes subexpressions shared by different expressions in a program is called

  1. Multiple subexpression elimination
  2. Common subexpression elimination
  3. Parametric subexpression elimination
  4. Shared subexpression elimination
MCQ: 15

Each relational-algebra expression represents a particular sequence of

  1. Parameters
  2. Differentials
  3. Operations
  4. Routines

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Query Optimization Quiz App (Android & iOS)

Query Optimization Quiz App

DataBase Management System (MCS) Quiz App (iOS & Android)

DataBase Management System (MCS) Quiz App

Basic Control Systems Quiz App (iOS & Android)

Basic Control Systems Quiz App

Basic Computer Knowledge Quiz App (Android & iOS)

Basic Computer Knowledge Quiz App