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Database Management System Practice Test 22

# Hashing Techniques MCQ (Multiple Choice Questions) PDF - 22

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The Hashing Techniques Multiple Choice Questions (MCQ) with Answers PDF, Hashing Techniques MCQs PDF Download e-Book Ch. 5-22 to solve Database Management System Practice Tests. Study Disk Storage, File Structures and Hashing quiz answers PDF, Hashing Techniques Multiple Choice Questions (MCQ Quiz) for online computer science degrees. The Hashing Techniques MCQs App Download: Free educational app for hashing techniques, eer model concepts, relational database schemas test prep for free online classes.

The MCQs: Hashing technique which allows increase or decrease in number of buckets without a need of directory is classified as; "Hashing Techniques" App (Android & iOS) with answers: Linear hashing; Global depth hashing; Relative hashing; Local depth hashing; for online computer science degrees. Practice Disk Storage, File Structures and Hashing Questions and Answers, Google eBook to download free sample for computer information science.

## Hashing Techniques Questions and Answers : Quiz 22

MCQ 106: The hashing technique which allows increase or decrease in number of buckets without a need of directory is classified as

1. global depth hashing
2. linear hashing
3. relative hashing
4. local depth hashing

MCQ 107: According to enhanced-entity relationships, the association between super class and subclass is as

1. super class is subset of subclass
2. subclass is subset of super class
3. subclass is partial joint of super class
4. super class is partial joint of subclass

MCQ 108: In linear hashing, the formula used to calculate number of records if the blocking factor, loading factor and file buckets are known is as

1. r =l + bfr + N
2. r =l - bfr - N
3. r =l + bfr - N
4. r =l * bfr * N

MCQ 109: In the data model schemas, the constraints that are can not be expressed directly are classified as

1. application based constraints
2. semantic constraints
4. all of above

MCQ 110: 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

1. transitive dependency
2. full functional dependency
3. partial dependency
4. prime functional dependency