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Database Management System Practice Test 22

Hashing Techniques MCQ Questions PDF - 22

The Book Hashing Techniques Multiple Choice Questions and Answers (MCQs), hashing techniques MCQs Quiz PDF download chapter 5-22 to study online database management system course. Study Disk Storage, File Structures and Hashing quiz answers PDF, hashing techniques Multiple Choice Questions (MCQ Quiz) for online college degrees. The eBook Hashing Techniques MCQs App Download: hashing techniques, eer model concepts, relational database schemas test prep for associates in computer science.

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Database Management System MCQ: Hashing Techniques Quiz PDF Download - 22

MCQ: The hashing technique which allows increase or decrease in number of buckets without a need of directory is classified as

A) global depth hashing
B) linear hashing
C) relative hashing
D) local depth hashing

MCQ: According to enhanced-entity relationships, the association between super class and subclass is as

A) super class is subset of subclass
B) subclass is subset of super class
C) subclass is partial joint of super class
D) super class is partial joint of subclass

MCQ: In linear hashing, the formula used to calculate number of records if the blocking factor, loading factor and file buckets are known is as

A) r =l + bfr + N
B) r =l - bfr - N
C) r =l + bfr - N
D) r =l * bfr * N

MCQ: In the data model schemas, the constraints that are can not be expressed directly are classified as

A) application based constraints
B) semantic constraints
C) business rules
D) all of above

MCQ: The form of dependency in which the set of attributes that are neither a subset of any of the keys nor the candidate key is classified as

A) transitive dependency
B) full functional dependency
C) partial dependency
D) prime functional dependency

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