. . "Sixth normal form (6NF) is a term in relational database theory, used in two different ways."@en . . "9365"^^ . "1060352764"^^ . . . . "6"^^ . . . . "\u5173\u7CFB\u6570\u636E\u5E93\u8BBE\u8BA1\u7684\u7B2C\u516D\u8303\u5F0F (6NF)\uFF0C\u662F\u6570\u636E\u5E93\u89C4\u8303\u5316\u7684\u7EA7\u522B\uFF0C\u6839\u636E\u514B\u91CC\u65AF\u6258\u4F5B\u00B7\u8FBE\u7279\u7684\u57FA\u4E8E\u5173\u7CFB\u4EE3\u6570\u7684\u5B9A\u4E49\uFF0C\u5173\u7CFB\u7B97\u7B26\uFF08relational operator\uFF09\uFF0C\u5982\u8FDE\u63A5\uFF08join\uFF09\u53EF\u4EE5\u63A8\u5E7F\u5230\u81EA\u7136\u5904\u7406\u95F4\u9694\u6570\u636E\uFF08interval data\uFF09\uFF0C\u5982\u65E5\u671F\u5E8F\u5217\u6216\u65F6\u95F4\u95F4\u9694, \u4F8B\u5982\u65F6\u95F4\u6570\u636E\u5E93\u3002 \u7B2C\u516D\u8303\u5F0F\u57FA\u4E8E\u8FD9\u79CD\u63A8\u5E7F\u7684join\uFF1A \u6570\u636E\u5E93\u7684\u4E00\u4E2A\u5173\u7CFBR\u6EE1\u8DB3\u7B2C\u516D\u8303\u5F0F\uFF0C\u5F53\u4E14\u4EC5\u5F53R\u6CA1\u6709\u975E\u5E73\u51E1\u3002\u5E73\u51E1\u7684\u8FDE\u63A5\u4F9D\u8D56\u662F\u6307R\u7684\u81F3\u5C11\u4E00\u4E2A\u6295\u5F71\uFF08projections\uFF09\u5305\u542BR\u7684\u4E00\u4E2A\u5019\u9009\u952E\u3002 \u663E\u7136\uFF0C\u7B2C\u4E94\u8303\u5F0F\u662F\u7B2C\u516D\u8303\u5F0F\u7684\u7279\u4F8B\u3002 \u7B2C\u516D\u8303\u5F0F\u9002\u5408\u4F7F\u7528\u4E86\u95F4\u9694\u6570\u636E\u7684\u65F6\u6001\u6570\u636E\u5E93\u3002\u8FDB\u4E00\u6B65\u8BA8\u8BBA\uFF0C\u53C2\u89C1Temporal Aggregation in SQL\u3002\u5176\u4ED6\u65B9\u6CD5\u89C1\u3002 \u4E00\u4E9B\u6570\u636E\u4ED3\u5E93\u5EFA\u6A21\u5DF2\u7ECF\u91C7\u7528\u7B2C\u516D\u8303\u5F0F\uFF0C\u5982\u3002"@zh . . "\u0428\u043E\u0441\u0442\u0430 \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u0430 \u0444\u043E\u0440\u043C\u0430"@uk . . . "3850026"^^ . "June 2017"@en . . . . . . "\u0428\u043E\u0441\u0442\u0430 \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u0430 \u0444\u043E\u0440\u043C\u0430 (6\u041D\u0424) \u2014 \u0442\u0435\u0440\u043C\u0456\u043D \u0443 \u0442\u0435\u043E\u0440\u0456\u0457 \u0440\u0435\u043B\u044F\u0446\u0456\u0439\u043D\u0438\u0445 \u0431\u0430\u0437 \u0434\u0430\u043D\u0438\u0445, \u044F\u043A\u0438\u0439 \u0432\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u043E\u0432\u0443\u0454\u0442\u044C\u0441\u044F \u0434\u0432\u043E\u043C\u0430 \u0441\u043F\u043E\u0441\u043E\u0431\u0430\u043C\u0438."@uk . . . . . . . . . "\u0428\u0435\u0441\u0442\u0430\u044F \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u0430\u044F \u0444\u043E\u0440\u043C\u0430 (6NF) \u2014 \u043E\u0434\u043D\u0430 \u0438\u0437 \u0432\u043E\u0437\u043C\u043E\u0436\u043D\u044B\u0445 \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u044B\u0445 \u0444\u043E\u0440\u043C \u0442\u0430\u0431\u043B\u0438\u0446\u044B \u0440\u0435\u043B\u044F\u0446\u0438\u043E\u043D\u043D\u043E\u0439 \u0431\u0430\u0437\u044B \u0434\u0430\u043D\u043D\u044B\u0445. \u0412\u0432\u0435\u0434\u0435\u043D\u0430 \u041A. \u0414\u0435\u0439\u0442\u043E\u043C \u043A\u0430\u043A \u043E\u0431\u043E\u0431\u0449\u0435\u043D\u0438\u0435 \u043F\u044F\u0442\u043E\u0439 \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u043E\u0439 \u0444\u043E\u0440\u043C\u044B \u0434\u043B\u044F \u0445\u0440\u043E\u043D\u043E\u043B\u043E\u0433\u0438\u0447\u0435\u0441\u043A\u043E\u0439 \u0431\u0430\u0437\u044B \u0434\u0430\u043D\u043D\u044B\u0445."@ru . . . . "\u5173\u7CFB\u6570\u636E\u5E93\u8BBE\u8BA1\u7684\u7B2C\u516D\u8303\u5F0F (6NF)\uFF0C\u662F\u6570\u636E\u5E93\u89C4\u8303\u5316\u7684\u7EA7\u522B\uFF0C\u6839\u636E\u514B\u91CC\u65AF\u6258\u4F5B\u00B7\u8FBE\u7279\u7684\u57FA\u4E8E\u5173\u7CFB\u4EE3\u6570\u7684\u5B9A\u4E49\uFF0C\u5173\u7CFB\u7B97\u7B26\uFF08relational operator\uFF09\uFF0C\u5982\u8FDE\u63A5\uFF08join\uFF09\u53EF\u4EE5\u63A8\u5E7F\u5230\u81EA\u7136\u5904\u7406\u95F4\u9694\u6570\u636E\uFF08interval data\uFF09\uFF0C\u5982\u65E5\u671F\u5E8F\u5217\u6216\u65F6\u95F4\u95F4\u9694, \u4F8B\u5982\u65F6\u95F4\u6570\u636E\u5E93\u3002 \u7B2C\u516D\u8303\u5F0F\u57FA\u4E8E\u8FD9\u79CD\u63A8\u5E7F\u7684join\uFF1A \u6570\u636E\u5E93\u7684\u4E00\u4E2A\u5173\u7CFBR\u6EE1\u8DB3\u7B2C\u516D\u8303\u5F0F\uFF0C\u5F53\u4E14\u4EC5\u5F53R\u6CA1\u6709\u975E\u5E73\u51E1\u3002\u5E73\u51E1\u7684\u8FDE\u63A5\u4F9D\u8D56\u662F\u6307R\u7684\u81F3\u5C11\u4E00\u4E2A\u6295\u5F71\uFF08projections\uFF09\u5305\u542BR\u7684\u4E00\u4E2A\u5019\u9009\u952E\u3002 \u663E\u7136\uFF0C\u7B2C\u4E94\u8303\u5F0F\u662F\u7B2C\u516D\u8303\u5F0F\u7684\u7279\u4F8B\u3002 \u7B2C\u516D\u8303\u5F0F\u9002\u5408\u4F7F\u7528\u4E86\u95F4\u9694\u6570\u636E\u7684\u65F6\u6001\u6570\u636E\u5E93\u3002\u8FDB\u4E00\u6B65\u8BA8\u8BBA\uFF0C\u53C2\u89C1Temporal Aggregation in SQL\u3002\u5176\u4ED6\u65B9\u6CD5\u89C1\u3002 \u4E00\u4E9B\u6570\u636E\u4ED3\u5E93\u5EFA\u6A21\u5DF2\u7ECF\u91C7\u7528\u7B2C\u516D\u8303\u5F0F\uFF0C\u5982\u3002"@zh . "\u0428\u043E\u0441\u0442\u0430 \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u0430 \u0444\u043E\u0440\u043C\u0430 (6\u041D\u0424) \u2014 \u0442\u0435\u0440\u043C\u0456\u043D \u0443 \u0442\u0435\u043E\u0440\u0456\u0457 \u0440\u0435\u043B\u044F\u0446\u0456\u0439\u043D\u0438\u0445 \u0431\u0430\u0437 \u0434\u0430\u043D\u0438\u0445, \u044F\u043A\u0438\u0439 \u0432\u0438\u043A\u043E\u0440\u0438\u0441\u0442\u043E\u0432\u0443\u0454\u0442\u044C\u0441\u044F \u0434\u0432\u043E\u043C\u0430 \u0441\u043F\u043E\u0441\u043E\u0431\u0430\u043C\u0438."@uk . "Sixth normal form"@en . . "\u0428\u0435\u0441\u0442\u0430\u044F \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u0430\u044F \u0444\u043E\u0440\u043C\u0430 (6NF) \u2014 \u043E\u0434\u043D\u0430 \u0438\u0437 \u0432\u043E\u0437\u043C\u043E\u0436\u043D\u044B\u0445 \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u044B\u0445 \u0444\u043E\u0440\u043C \u0442\u0430\u0431\u043B\u0438\u0446\u044B \u0440\u0435\u043B\u044F\u0446\u0438\u043E\u043D\u043D\u043E\u0439 \u0431\u0430\u0437\u044B \u0434\u0430\u043D\u043D\u044B\u0445. \u0412\u0432\u0435\u0434\u0435\u043D\u0430 \u041A. \u0414\u0435\u0439\u0442\u043E\u043C \u043A\u0430\u043A \u043E\u0431\u043E\u0431\u0449\u0435\u043D\u0438\u0435 \u043F\u044F\u0442\u043E\u0439 \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u043E\u0439 \u0444\u043E\u0440\u043C\u044B \u0434\u043B\u044F \u0445\u0440\u043E\u043D\u043E\u043B\u043E\u0433\u0438\u0447\u0435\u0441\u043A\u043E\u0439 \u0431\u0430\u0437\u044B \u0434\u0430\u043D\u043D\u044B\u0445."@ru . "\u7B2C\u516D\u8303\u5F0F"@zh . "Sixth normal form (6NF) is a term in relational database theory, used in two different ways."@en . . . "\u0428\u0435\u0441\u0442\u0430\u044F \u043D\u043E\u0440\u043C\u0430\u043B\u044C\u043D\u0430\u044F \u0444\u043E\u0440\u043C\u0430"@ru . . . . . . . . . . . .