Elasticsearch SQL aims to provide a powerful yet lightweight SQL interface to Elasticsearch.
Introduction
Elasticsearch SQL is an X-Pack component that allows SQL-like queries to be executed in real-time against Elasticsearch.
Whether using the REST interface, command-line or JDBC, any client can use SQL to search and aggregate data
natively inside Elasticsearch.
One can think of Elasticsearch SQL as a translator, one that understands both SQL and Elasticsearch and makes it easy to read and process data in real-time, at scale by leveraging Elasticsearch capabilities.
Why Elasticsearch SQL ?
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Native integration
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Elasticsearch SQL is built from the ground up for Elasticsearch. Each and every query is efficiently executed against the relevant nodes according to the underlying storage.
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No external parts
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No need for additional hardware, processes, runtimes or libraries to query Elasticsearch; Elasticsearch SQL eliminates extra moving parts by running inside the Elasticsearch cluster.
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Lightweight and efficient
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Elasticsearch SQL does not abstract Elasticsearch and its search capabilities - on the contrary, it embraces and exposes SQL to allow proper full-text search, in real-time, in the same declarative, succinct fashion.