Bachelor Of Computer Science

Database Systems MCQs

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Query Processing MCQ with Answers

Query Processing Multiple Choice Questions (MCQ) to practice query processing quiz answers PDF, query processing worksheets for online degrees. Solve query processing Multiple Choice Questions and Answers (MCQs), "Query Processing Quiz Questions" and answers for online bachelor's degree computer science. Learn selection operation in dbms, measures of query cost, dbms: selection operation test prep for computer majors.

"An operation of relational algebra annotated with instructions on how to evaluate it is called an" Multiple Choice Questions (MCQ) on query processing with choices execution plan, query plan, evaluation primitive, and execution engine for online bachelor's degree computer science. Solve query processing quiz questions for merit scholarship test and certificate programs for master's degree in computer science.

MCQs on Query Processing

1.

An operation of relational algebra annotated with instructions on how to evaluate it is called an

Execution plan
Query plan
Evaluation primitive
Execution engine

2.

A3 search performs retrieval of multiple records by using a primary index specifying the

Equality comparison on a key attribute
Inequality comparison on a nonkey attribute
Equality comparison on a nonkey attribute
Inequality comparison on a key attribute

3.

In A4 search algorithm, selection operation can specify an equality condition by using a

Secondary index
Clustered index
Nonclustered index
Primary index

4.

The tasks involved in extracting some kind of data from a database known as

Query processing
Query management
Query statement
Query transaction

5.

Before any processing on a query can begin, it must be

Accessed
Evaluated
Optimized
Translated