"aggregate function" meaning in English

{
  "forms": [
    {
      "form": "aggregate functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "aggregate function (plural aggregate functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Databases",
          "orig": "en:Databases",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "window function"
        }
      ],
      "glosses": [
        "A function that takes input from various rows at once and returns a single value."
      ],
      "id": "en-aggregate_function-en-noun-E7BhAXRY",
      "links": [
        [
          "database",
          "database"
        ],
        [
          "rows",
          "row#English"
        ]
      ],
      "raw_glosses": [
        "(databases) A function that takes input from various rows at once and returns a single value."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "pt",
          "lang": "Portuguese",
          "sense": "function that takes input from various rows",
          "tags": [
            "feminine"
          ],
          "word": "função agregada"
        }
      ],
      "wikipedia": [
        "aggregate function"
      ]
    }
  ],
  "word": "aggregate function"
}

{
  "coordinate_terms": [
    {
      "word": "window function"
    }
  ],
  "forms": [
    {
      "form": "aggregate functions",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "aggregate function (plural aggregate functions)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "en:Databases"
      ],
      "glosses": [
        "A function that takes input from various rows at once and returns a single value."
      ],
      "links": [
        [
          "database",
          "database"
        ],
        [
          "rows",
          "row#English"
        ]
      ],
      "raw_glosses": [
        "(databases) A function that takes input from various rows at once and returns a single value."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "aggregate function"
      ]
    }
  ],
  "translations": [
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "function that takes input from various rows",
      "tags": [
        "feminine"
      ],
      "word": "função agregada"
    }
  ],
  "word": "aggregate function"
}