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Database Systems Practice Test 75

Aggregate Functions Quiz Questions with Answers PDF Download | 75

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The Aggregate Functions Trivia Questions and Answers PDF (Aggregate Functions Quiz Answers PDF e-Book) download Ch. 15-75 to study Database Systems Practice Tests. Learn Introduction to SQL MCQ Questions PDF, Aggregate Functions Multiple Choice Questions (MCQ Quiz) for computer science online programs. The Aggregate Functions Trivia App Download: Free Database Systems App to study database users and administrators, transformation of relational expressions, lock based protocols, indexing in dbms, aggregate functions test prep for computer and information science.

The Quiz: Aggregate functions are functions that take a set or multiset of values as input and return "Aggregate Functions" App (iOS, Android) with answers: multiple sets, single value, a relation, and multiple attributes for computer and information science. Study Introduction to SQL Questions and Answers, Apple e-Book to download free sample for bachelor's degree in computer science.

SAT Test for SAT Prep

Aggregate Functions Quiz with Answers PDF Download: MCQs 75

MCQ: 371

Aggregate functions are functions that take a set or multiset of values as input and return

  1. Single value
  2. Multiple sets
  3. Multiple attributes
  4. A relation
MCQ: 372

The indexing technique should perform the types of access that are supported

  1. Efficiently
  2. Minimum
  3. Maximum
  4. Specifically
MCQ: 373

A two-phase locking protocol variant that requires that all locks be held until the transaction commit is called

  1. Lock-point two-phase locking protocol
  2. Deadlock two-phase locking protocol
  3. Strict two-phase locking protocol
  4. Rigorous two-phase locking protocol
MCQ: 374

The operations of Natural-join are

  1. Commutative
  2. Associative
  3. Distributive
  4. Conjunctive
MCQ: 375

Ensuring enough free disk space availability for normal operations, are goals to be achieved by

  1. Database Manager
  2. Database system
  3. Database administrator
  4. Database users

Database Systems Exam Prep Tests

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