Computer Science Engineering (CSE) Exam > Computer Science Engineering (CSE) Videos > Database Management System (DBMS) > DSA 1.49 Part 5: Comparison's of Sequential, Index Sequential & Direct Access File Organization
DSA 1.49 Part 5: Comparison's of Sequential, Index Sequential & Direct Access File Organization Video Lecture | Database Management System (DBMS) - Computer Science Engineering (CSE)
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FAQs on DSA 1.49 Part 5: Comparison's of Sequential, Index Sequential & Direct Access File Organization Video Lecture - Database Management System (DBMS) - Computer Science Engineering (CSE)
| 1. What is the difference between sequential, index sequential, and direct access file organization? |  |
Ans. Sequential file organization stores data in the order it was inputted, index sequential uses an index file to access records in a sequential file, and direct access allows for random access to any record in the file.
| 2. How does sequential file organization compare to index sequential in terms of access speed? | |
Ans. Sequential file organization requires scanning through the entire file to access a record, while index sequential uses an index to quickly locate the desired record, resulting in faster access speeds.
| 3. Can you explain the advantages of direct access file organization over sequential file organization? | |
Ans. Direct access allows for quick random access to any record in the file, while sequential file organization requires scanning through the entire file in order to access a specific record, providing a significant advantage in terms of access speed.
| 4. How does the efficiency of search operations differ between index sequential and direct access file organization? | |
Ans. Index sequential file organization uses an index file to quickly locate records, making search operations more efficient compared to direct access, which requires an additional step of searching through the entire file to find the desired record.
| 5. What are some common applications where direct access file organization is preferred over sequential file organization? | |
Ans. Direct access file organization is often preferred in applications that require frequent random access to specific records, such as database management systems or online transaction processing systems.
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Nov 22, 2024 Last updated |
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