"superkey" meaning in English

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  ],
  "etymology_text": "From super- + key.",
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    {
      "form": "superkeys",
      "tags": [
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      "expansion": "superkey (plural superkeys)",
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  "lang_code": "en",
  "pos": "noun",
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        "Any set of attributes of a relation variable (relvar) that serve to identify a single tuple or row, no other tuple having the same value for every attribute in the set."
      ],
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          "database",
          "database"
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          "attribute",
          "attribute"
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          "relvar",
          "relvar"
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          "tuple",
          "tuple"
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        "(databases) Any set of attributes of a relation variable (relvar) that serve to identify a single tuple or row, no other tuple having the same value for every attribute in the set."
      ],
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      "expansion": "super- + key",
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  ],
  "etymology_text": "From super- + key.",
  "forms": [
    {
      "form": "superkeys",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
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          "database",
          "database"
        ],
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