Elasticsearch preguntas y respuestas de entrevista
Pregunta 21. What is the purpose of the 'Query DSL' in Elasticsearch?
The Query DSL (Domain Specific Language) allows users to define queries and filters using a JSON-like syntax.
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Pregunta 22. How does Elasticsearch handle schema-less data?
Elasticsearch allows dynamic mapping, automatically inferring field data types based on the inserted documents.
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Pregunta 23. What is the purpose of the 'Refresh' operation in Elasticsearch?
Refresh makes changes to the index immediately visible for search, but it comes with a performance cost.
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Pregunta 24. Explain the role of 'Filter' in Elasticsearch queries.
Filters are used to narrow down the search results based on specific criteria without affecting scoring.
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Pregunta 25. What is the purpose of the 'Aggregation' framework in Elasticsearch?
Aggregations provide the capability to perform complex analysis and computation on the data.
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