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Aggregate Functions Quiz Questions and Answers 75 PDF Download

Aggregate functions quiz questions, learn online dbms test prep 75 for distance learning online courses. College and university courses MCQs on introduction to sql quiz, aggregate functions multiple choice questions and answers to practice dbms quiz with answers. Learn aggregate functions MCQs, career aptitude test 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.

Practice aggregate functions career test with multiple choice question (MCQs): aggregate functions are functions that take a set or multiset of values as input and return, for online education degree with options single value, multiple sets , multiple attributes, a relation for online software engineering degree. Learn introduction to sql questions and answers 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