Elastic contains text

1. What is Elasticsearch full text search?
2. What is Elasticsearch queries?
3. What is an elastic document?
4. How does Elasticsearch match query work?

What is Elasticsearch full text search?

Overview. Full-text search queries and performs linguistic searches against documents. It includes single or multiple words or phrases and returns documents that match search condition. ElasticSearch is a search engine based on Apache Lucene, a free and open-source information retrieval software library.

What is Elasticsearch queries?

Elasticsearch provides a full Query DSL (Domain Specific Language) based on JSON to define queries. Think of the Query DSL as an AST (Abstract Syntax Tree) of queries, consisting of two types of clauses: ... Leaf query clauses look for a particular value in a particular field, such as the match , term or range queries.

What is an elastic document?

Elasticsearch is a distributed document store. Instead of storing information as rows of columnar data, Elasticsearch stores complex data structures that have been serialized as JSON documents.

How does Elasticsearch match query work?

The match query analyzes any provided text before performing a search. This means the match query can search text fields for analyzed tokens rather than an exact term. (Optional, string) Analyzer used to convert the text in the query value into tokens. Defaults to the index-time analyzer mapped for the <field> .