"aggregate function" meaning in English

{
  "etymology_text": ": aggregate function <→ δείτε τις λέξεις aggregate και function",
  "forms": [
    {
      "form": "aggregate function"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "Βάσεις δεδομένων (αγγλικά)",
          "parents": [],
          "source": "w"
        }
      ],
      "examples": [
        {
          "text": "For each group, you can apply an aggregate function such as MIN, MAX, SUM, COUNT, or AVG to provide more information about each group."
        }
      ],
      "glosses": [
        "συνάρτηση συγκεντρωτικών αποτελεσμάτων"
      ],
      "id": "el-aggregate_function-en-noun-yb08C4pG",
      "raw_tags": [
        "βάσεις δεδομένων"
      ]
    }
  ],
  "word": "aggregate function"
}

{
  "etymology_text": ": aggregate function <→ δείτε τις λέξεις aggregate και function",
  "forms": [
    {
      "form": "aggregate function"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "Βάσεις δεδομένων (αγγλικά)"
      ],
      "examples": [
        {
          "text": "For each group, you can apply an aggregate function such as MIN, MAX, SUM, COUNT, or AVG to provide more information about each group."
        }
      ],
      "glosses": [
        "συνάρτηση συγκεντρωτικών αποτελεσμάτων"
      ],
      "raw_tags": [
        "βάσεις δεδομένων"
      ]
    }
  ],
  "word": "aggregate function"
}