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 solve 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 learning app for 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; Multiple attributes; A relation; 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.

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

Single value
Multiple sets
Multiple attributes
A relation

MCQ 372:

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

Efficiently
Minimum
Maximum
Specifically

MCQ 373:

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

Lock-point two-phase locking protocol
Deadlock two-phase locking protocol
Strict two-phase locking protocol
Rigorous two-phase locking protocol

MCQ 374:

The operations of Natural-join are

Commutative
Associative
Distributive
Conjunctive

MCQ 375:

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

Database Manager
Database system
Database administrator
Database users

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