83 | DBMS | Indexing | GATE Question | Secondary Indexing | a data file | B+ Trees
Question:
A data file consisting of 15000 student records is stored on a hard disk with block size of 4096
bytes. The data file is sorted on the primary key RollNo. The size of a record pointer for this disk is 7 bytes. Each student-record has a candidate key attribute called ANum of size 12 bytes. Suppose an index file with records consisting of two fields,
Anum value and the record pointer the corresponding student record, is built and stored on the same disk. Assume that the records of data file and index file are not split across disk blocks. The number of blocks in the index file is ________
Prepare for your GATE exams with an in-depth tutorial on secondary indexing, data file structures, and B+ Trees. This video breaks down complex concepts, providing practical examples and solutions to GATE questions.
🔍 What You'll Learn:
Secondary Indexing: Understand the purpose and implementation of secondary indexing in database management.
Data File Structures: Explore the organization and management of data files in databases.
B+ Trees: Learn about B+ Trees, their structure, and their application in indexing.
GATE Problem Solving: Solve GATE exam questions related to secondary indexing, data files, and B+ Trees with step-by-step explanations.
Practical Examples: See how these concepts are applied in real-world database systems.
📚 Why This Video Matters:
Secondary indexing and B+ Trees are crucial topics in database management and are frequently tested in GATE exams. This tutorial provides a thorough understanding of these concepts, equipping you with the skills needed to tackle related questions confidently.
💡 Who Should Watch:
Students preparing for GATE and other competitive exams in computer science.
Database administrators and developers looking to deepen their knowledge of indexing and data file structures.
Anyone interested in learning about secondary indexing, B+ Trees, and their practical applications.
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