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What is Linear vs Extendible Hashing Explained about?

Hash-based indexes are best for equality selections and cannot support range searches. There are static and dynamic hashing techniques, with trade-offs similar to ISAM and B+ trees. Extendible hashing uses a directory of bucket pointers that doubles in size when a bucket splits, minimizing data movement. It supports efficient inserts and searches but the directory can become large. Linear hashing avoids a directory by using multiple hash functions and splitting buckets round-robin between rounds.

Author

ramesh

Language

EN