"pseudocolumn" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pseudo",
        "3": "column"
      },
      "expansion": "pseudo- + column",
      "name": "prefix"
    }
  ],
  "etymology_text": "pseudo- + column",
  "forms": [
    {
      "form": "pseudocolumns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pseudocolumn (plural pseudocolumns)",
      "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": "other",
          "name": "English terms prefixed with pseudo-",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Databases",
          "orig": "en:Databases",
          "parents": [
            "Computing",
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A column that yields a value when selected, but is not an actual column of the table."
      ],
      "id": "en-pseudocolumn-en-noun-DhkQMnDT",
      "links": [
        [
          "database",
          "database"
        ],
        [
          "column",
          "column"
        ],
        [
          "value",
          "value"
        ],
        [
          "select",
          "select"
        ]
      ],
      "raw_glosses": [
        "(databases) A column that yields a value when selected, but is not an actual column of the table."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "translations": [
        {
          "code": "fr",
          "lang": "French",
          "sense": "Translations",
          "tags": [
            "feminine"
          ],
          "word": "pseudo-colonne"
        }
      ],
      "wikipedia": [
        "pseudocolumn"
      ]
    }
  ],
  "word": "pseudocolumn"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "pseudo",
        "3": "column"
      },
      "expansion": "pseudo- + column",
      "name": "prefix"
    }
  ],
  "etymology_text": "pseudo- + column",
  "forms": [
    {
      "form": "pseudocolumns",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "pseudocolumn (plural pseudocolumns)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English lemmas",
        "English nouns",
        "English terms prefixed with pseudo-",
        "Translation table header lacks gloss",
        "en:Databases"
      ],
      "glosses": [
        "A column that yields a value when selected, but is not an actual column of the table."
      ],
      "links": [
        [
          "database",
          "database"
        ],
        [
          "column",
          "column"
        ],
        [
          "value",
          "value"
        ],
        [
          "select",
          "select"
        ]
      ],
      "raw_glosses": [
        "(databases) A column that yields a value when selected, but is not an actual column of the table."
      ],
      "topics": [
        "computing",
        "databases",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ],
      "wikipedia": [
        "pseudocolumn"
      ]
    }
  ],
  "translations": [
    {
      "code": "fr",
      "lang": "French",
      "sense": "Translations",
      "tags": [
        "feminine"
      ],
      "word": "pseudo-colonne"
    }
  ],
  "word": "pseudocolumn"
}