Query Optimization Techniques MCQs & Quiz Online PDF Download

Query optimization techniques MCQs, query optimization techniques quiz answers pdf to study online data science degree course. Learn query optimization Multiple Choice Questions and Answers (MCQs), "query optimization techniques" quiz questions and answers for associates in computer science. Learn heuristic optimization in dbms, heuristic query optimization, transformation of relational expressions test prep for computer information science.

"The process of finding a good strategy for processing a query is called" Multiple Choice Questions (MCQ) on query optimization techniques with choices query optimization, query processing, query management, and query cost for associates in computer science. Practice merit scholarships assessment test, online learning query optimization techniques quiz questions for competitive exams in computer science major for free online classes.

MCQs on Query Optimization Techniques PDF Online Download

MCQ: The 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: The complex queries evaluation plan involves many

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

A

MCQ: The technique chosen by the database system for evaluation of an operation depends on the size of

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

D

MCQ: The 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