Advanced Database20815 marksConcepts of File Structures, Hashing, and Indexing
What is hashing? How does hashing improve database efficiency?
What is hashing? How does hashing improve database efficiency? [5]
Hashing is a technique used to search the location of desired data on disk. It uses a mathematical function called a hash function to calculate the direct location (address) of a data record stored in data blocks (also called data buckets) on disk, without the need for indexing. The hash function...