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Chapter 18: Database Systems Exam Tests

Database Systems MCQs - Chapter 18

Query Processing Multiple Choice Questions (MCQ) PDF - 4

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Query Processing Questions & Answers PDF Download: MCQ Quiz 4

MCQ 16: In case of A4 search algorithm, if the indexing field is not a key, the strategy can retrieve

A) Single record
B) Two records
C) Multiple records
D) No records

MCQ 17: Double buffer allows algorithm to function efficiently by performing

A) Parallel CPU activities
B) Parallel I/O activities
C) Parallel disk sectors
D) CPU activity parallel with I/O activity

MCQ 18: File scans are algorithms for searching that is used to locate and retrieve records, fulfilling a

A) Projection condition
B) Selection condition
C) Hashing condition
D) Evaluation plan condition

MCQ 19: In A4 search algorithm, selection operation can specify an equality condition by using a

A) Secondary index
B) Clustered index
C) Nonclustered index
D) Primary index

MCQ 20: The tasks involved in extracting some kind of data from a database known as

A) Query processing
B) Query management
C) Query statement
D) Query transaction

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Query Processing App (Android & iOS)

Query Processing App (Android & iOS)

Database Management System App (Android & iOS)

Database Management System App (Android & iOS)

Computer Architecture App (Android & iOS)

Computer Architecture App (Android & iOS)

Digital Logic Design App (Android & iOS)

Digital Logic Design App (Android & iOS)