SYSTEM DESIGN INTERVIEW: The Complete Guide to System Design Interview Tips, Software Analysis and 20 Frequently Most Asked Questions by Richard Johnson

Author:Richard Johnson [Johnson, Richard]
Language: eng
Format: azw3
Published: 2020-09-25T00:00:00+00:00

Methods and Designs Used for Search Autocomplete

Several methods and designs are used to carry out this procedure. This includes

The Trie Data Structure - this is used for minimizing the complexities in search results. It also improves the speed and optimality of the system. Trie data structure is used for retrieving data. It requires data storage and can search the key in 0 minutes per time.

The storage facility of Trie could be a file, a database, or an in-memory cache, which includes Memcached or Redis.

Let us presume that N is a set of K strings. Therefore, N = {n1, n2, n3, n4, …, nK}. You can pattern set N as a rooted tree T. This can cause each path from tree T to align to its nodes to a prefix of one string S. Let’s consider a set for an example.

If N = {hat, hal, hi, set, car} and Ɛ aligns to an empty string.

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