First search query in Elasticsearch - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the simplest way to perform a search query in Elasticsearch?

Use the match_all query to retrieve all documents in an index.

beginner

What does the match query do in Elasticsearch?

It searches for documents that match the given text in a specific field, analyzing the text for relevance.

beginner

How do you specify the index to search in Elasticsearch?

You specify the index name in the URL path of the search request, for example: GET /my_index/_search.

beginner

What is the role of the query field in an Elasticsearch search request?

It defines the criteria for selecting documents, such as match, term, or match_all queries.

beginner

What is the default HTTP method used to perform a search query in Elasticsearch?

The default HTTP method is GET, but POST can also be used when sending a request body.

Which Elasticsearch query returns all documents in an index?

A match

B term

C match_all

D range

The match_all query returns every document without filtering.

How do you specify the index to search in Elasticsearch?

A In the HTTP headers

B In the request URL path

C Inside the query body

D In the response

The index is specified in the URL path, e.g., GET /index_name/_search.

What does the match query do?

A Searches for exact values only

B Filters documents by range

C Returns all documents

D Searches analyzed text for relevance

The match query analyzes text and finds relevant documents.

Which HTTP method is commonly used for Elasticsearch search requests?

A GET

B PUT

C DELETE

D PATCH

GET is the default method for search requests, though POST is also allowed.

Where do you put the search criteria in an Elasticsearch request?

A Inside the <code>query</code> field in the request body

B In the URL query parameters

C In the HTTP headers

D In the response body

Search criteria go inside the query field in the JSON request body.

Describe how to perform a basic search query in Elasticsearch to find all documents.

Think about the simplest query that returns everything.

Explain the difference between the match and match_all queries in Elasticsearch.

One returns everything, the other filters by text.