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Choose Elasticsearch for complex text searches, but use databases for structured queries.

Elasticsearch fuzzy search allows finding results even with typos in queries.

Optimizing Elasticsearch involves using filters, caching, and measuring performance.

Elasticsearch distributes search queries across shards to find and retrieve results quickly.

Elasticsearch offers three main autocomplete strategies, each with unique benefits and trade-offs.

Elasticsearch uses analyzers and synonyms to improve search accuracy by connecting similar words.

Deep pagination in Elasticsearch can slow down searches significantly, but there are efficient methods to handle it.

Elasticsearch ranks search results using BM25 based on relevance scoring.