elasticsearchHow can I use the "not equal" operator in Elasticsearch?

The "not equal" operator in Elasticsearch is used to compare two values and return documents where the values are not equal. This operator is represented by the "!=" symbol.

For example, to find documents where the "age" field is not equal to 30, the following query can be used:

GET /index/_search
{
  "query": {
    "bool": {
      "must_not": {
        "term": {
          "age": 30
        }
      }
    }
  }
}

The parts of the example query are:

• GET /index/_search - The request to search the index.
• "query": { "bool": { "must_not": { "term": { "age": 30 } } } } - The query that uses the "must_not" clause to check for documents where the "age" field is not equal to 30.

For more information, see the Elasticsearch documentation.

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