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Aggregate Functions Quiz Questions and Answers 75 PDF Download

Learn aggregate functions quiz questions, database management system online test 75 for distance learning degrees, free online sql courses. Colleges and universities courses' MCQs on introduction to sql quiz, aggregate functions multiple choice questions and answers to learn database management system quiz with answers. Practice aggregate functions MCQs, ETS GRE test assessment on database users and administrators, transformation of relational expressions, lock based protocols, indexing in dbms, aggregate functions practice test for online applications of DBMS courses distance learning.

Study aggregate functions online courses with multiple choice question (MCQs): aggregate functions are functions that take a set or multiset of values as input and return, for bachelor degree and masters in data science degree questions with choices Single value, Multiple sets , multiple attributes, a relation for online competitive exams, certifications tests for financial aids, scholarships contests in universities. Learn introduction to sql quizzes with problem-solving skills assessment test.

Quiz on Aggregate Functions Worksheet 75Quiz PDF Download

Aggregate Functions Quiz

MCQ: 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


Indexing in DBMS Quiz

MCQ: Indexing technique should perform types of access that are supported

  1. Efficiently
  2. Minimum
  3. Maximum
  4. Specifically


Lock Based Protocols Quiz

MCQ: A two-phase locking protocol variant that requires that all locks be held until 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


Transformation of Relational Expressions Quiz

MCQ: Operations of Natural-join are

  1. Commutative
  2. Associative
  3. Distributive
  4. Conjunctive


Database Users and Administrators Quiz

MCQ: 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