Query Optimization Techniques MCQs & Quiz Online PDF Book Download

Query optimization techniques MCQs, query optimization techniques quiz answers to learn data analytics courses online. Query optimization multiple choice questions (MCQs), query optimization techniques quiz questions and answers for online software engineering programs. Heuristic optimization in dbms, heuristic query optimization, transformation of relational expressions, query optimization techniques test prep for big data certification.

Learn query optimization test MCQs: process of finding a good strategy for processing a query is called, with choices query optimization, query processing, query management, and query cost for online software engineering programs. Practice assessment test for scholarships, online learning query optimization techniques quiz questions for competitive assessment in computer science major for data analytics certification.

MCQ on Query Optimization Techniques Quiz Book Download

MCQ: Process of finding a good strategy for processing a query is called

  1. Query optimization
  2. Query processing
  3. Query management
  4. Query cost

A

MCQ: Complex queries evaluation plan involves many

  1. Disk accesses
  2. Sector accesses
  3. Parameters
  4. Differentials

A

MCQ: Technique chosen by database system for evaluation of an operation depends on size of

  1. Relation
  2. Distribution of columns
  3. Distribution of tuples
  4. Both A and B

D

MCQ: Term that optimizes subexpressions shared by different expressions in a program is called

  1. Multiple subexpression elimination
  2. Common subexpression elimination
  3. Parametric subexpression elimination
  4. Shared subexpression elimination

B

MCQ: Each relational-algebra expression represents a particular sequence of

  1. Parameters
  2. Differentials
  3. Operations
  4. Routines

C