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

Database Systems Exam Prep: Practice Test 4 (Chapter 17)

Query Optimization Notes Questions & Answers PDF Download - 4

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The Query Optimization Notes Questions and Answers PDF (Query Optimization Quiz Answers PDF e-Book) download Ch. 17-4 to learn Database Systems Course. Solve Transformation of Relational Expressions MCQs, Query Optimization MCQs questions and answers PDF to study computer engineering courses. The Query Optimization Notes App Download: Free Database Systems App to learn heuristic query optimization, heuristic optimization in dbms career test for online degrees.

The Quiz: The operations of theta-join are; "Query Optimization" App APK Download with answers: conjunctive, distributive, commutative, and associative to study computer engineering courses. Practice Indexing in DBMS Quiz Questions, download Kobo eBook (Free Sample) to study computer engineering courses.

Query Optimization Test Questions and Answers PDF Download: MCQ 4

MCQ: 16

The operations of theta-join are

  1. Distributive
  2. Conjunctive
  3. Commutative
  4. Associative
MCQ: 17

Histograms can be computed using

  1. Population
  2. Average of data
  3. Sampling
  4. Hard data
MCQ: 18

Keeping a materialized view up-to-date with respect to the underlying data is known as

  1. Deferred maintenance
  2. Immediate maintenance
  3. View maintenance
  4. Data maintenance
MCQ: 19

Modern database systems provide more direct support for

  1. Incremental view maintenance
  2. Data-view maintenance
  3. Deferred view maintenance
  4. Immediate view maintenance
MCQ: 20

The two expressions generate the same set of tuples on every legal database instance, the relational expressions are said to be

  1. Dependent
  2. Independent
  3. Equivalent
  4. Non-equivalent

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Query Optimization Notes App (Android & iOS)

Query Optimization Notes App

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

DataBase Management System (MCS) Notes App

HCI Notes App (iOS & Android)

HCI Notes App

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