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Databases · File Organization and Indexing
Official IIT answer key · IIT Kanpur · Audited Aug 2026
GATE CSE 2015 Set 3 Q46 · NAT · 2 marks
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Topic notes
GATE tests file organization and indexing across two primary dimensions: exact numerical calculations of physical storage parameters (B/B+ tree order, node capacities, index blocking factors, tree height, and disk I/O costs) and conceptual comparisons of indexing structures (dense vs. sparse, clustered vs. unclustered, hash vs. tree-based indices). Recent papers increasingly emphasize multi-step numerical analysis and operational execution tracing, such as B+ tree node splitting dynamics and exact leaf-level range traversals.
Full File Organization and Indexing guide →Consider a B+ tree in which the search key is 12 bytes long, block size is 1024 bytes, record pointer is 10 bytes long and block pointer is 8 bytes long. The maximum number of keys that can be accommodated in each non-leaf node of the tree is …
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