Index mappings overview in Elasticsearch - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to define a text field in an Elasticsearch mapping.

Elasticsearch

{
  "mappings": {
    "properties": {
      "title": { "type": "[1]" }
    }
  }
}

Drag options to blanks, or click blank then click option'

Akeyword

Bdate

Cinteger

Dtext

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'keyword' instead of 'text' for full-text search fields.

Using 'integer' or 'date' for string fields.

The text type is used for full-text searchable string fields in Elasticsearch.

2fill in blank

medium

Complete the code to define a keyword field for exact matching.

Elasticsearch

{
  "mappings": {
    "properties": {
      "status": { "type": "[1]" }
    }
  }
}

Drag options to blanks, or click blank then click option'

Aboolean

Btext

Ckeyword

Dfloat

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'text' when exact matching is needed.

Using numeric types for string fields.

The keyword type is used for structured content like tags, IDs, or exact values.

3fill in blank

hard

Fix the error in the mapping by choosing the correct type for a date field.

Elasticsearch

{
  "mappings": {
    "properties": {
      "created_at": { "type": "[1]" }
    }
  }
}

Drag options to blanks, or click blank then click option'

Ainteger

Bdate

Ckeyword

Dtext

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'text' or 'keyword' for date fields.

Using numeric types for dates.

The date type is used to store date and time values in Elasticsearch.

4fill in blank

hard

Fill both blanks to define a nested object field with a keyword subfield.

Elasticsearch

{
  "mappings": {
    "properties": {
      "author": {
        "type": "[1]",
        "properties": {
          "name": { "type": "[2]" }
        }
      }
    }
  }
}

Drag options to blanks, or click blank then click option'

Aobject

Btext

Ckeyword

Dnested

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'nested' when 'object' is sufficient.

Using 'text' instead of 'keyword' for exact matches.

An object type defines a JSON object with subfields. The keyword type is used for exact matching on the subfield.

5fill in blank

hard

Fill all three blanks to define a mapping with a text field, a keyword subfield, and a date field.

Elasticsearch

{
  "mappings": {
    "properties": {
      "description": {
        "type": "[1]",
        "fields": {
          "raw": { "type": "[2]" }
        }
      },
      "publish_date": { "type": "[3]" }
    }
  }
}

Drag options to blanks, or click blank then click option'

Atext

Bkeyword

Cdate

Dobject

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'keyword' as main type instead of 'text'.

Using 'text' for date fields.

Omitting the 'fields' keyword for subfields.

The description is a text field for full-text search, with a keyword subfield raw for exact matching or sorting. The publish_date is a date field.