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Composite indexes speed up database queries that filter or sort by multiple columns.

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.

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

Elasticsearch aliases allow zero-downtime switching between indices for applications.

You can update Elasticsearch indices without downtime using alias switching.

The dual-write trap in Elasticsearch can cause data inconsistency during reindexing.

Partition pruning helps databases skip unnecessary data scans, speeding up queries.

Elasticsearch offers Data Streams for simplicity and Time-Based Indices for control in managing time-series data.