Database Systems MCQs - Chapter 18

Query Processing Multiple Choice Questions (MCQ) PDF - 10

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The MCQ: An A1-search algorithm is applicable to any file, despite of the file's ordering or; "Query Processing" App Download Android & iOS (Free) with answers availability of indices, nature of selection operation, availability of access paths for online SQL certification courses. Practice selection operation in dbms quiz questions, download Apple Book (Free Sample) for cheapest online computer science degree.

Query Processing Questions & Answers PDF Download: MCQ Quiz 10

MCQ 46: An A1-search algorithm is applicable to any file, despite of the file's ordering or

Nature of selection operation
Availability of indices
Availability of access paths
Both A and B

MCQ 47: The A2 search algorithm does an

Equality comparison
Inequality comparison
No comparison
Nonkey comparison

MCQ 48: File scans are algorithms for

Searching
Locating
Retrieving
Indexing

MCQ 49: The term that takes a query-evaluation plan, executes the plan, and returns the answers to the query, is called

Query-execution engine
Query-plan engine
Execution engine
Query-evaluation engine

MCQ 50: The cost of evaluation of query can be measured in terms of different resources, disk accesses and

CPU time
Distributed or parallel database system
Cost of communication
All of the above

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