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An inverted index helps search engines quickly find documents containing specific terms.

Search engines collect, index, retrieve, and rank documents to provide relevant results.

Database indexing speeds up data retrieval by allowing quick lookups.

B-Trees help databases find data quickly without scanning every row.

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

Filters check conditions without affecting relevance, while queries do.

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

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