physical data independence 中文意思是什麼
physical data independence
解釋
實體資料獨立性- physical : adj 1 物質的，有形的，形而下的 （opp psychical spiritual mental moral）; 確鑿的；外界的。2 身體的...
- data : n 1 資料，材料〈此詞系 datum 的復數。但 datum 罕用，一般即以 data 作為集合詞，在口語中往往用單數...
- independence : n. 1. 獨立，自主，自立 （of; on）。2. 足夠維持閉居生活的收入。3. 獨立心，自恃心。
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Physical data independence : the capacity to change the internal schema without having to change the conceptual schema
邏輯資料獨立：不必改變外部綱要或應用程式，即可改變概念綱要的能力。 -
Db2 s optimizer is the component that accomplishes this physical data independence
Db2的優化器是完成該物理數據獨立性的組件。 -
Nevertheless, his further exploration of the nature of the “ data ” forced him to acknowledge that any attempt to realize the representation of immediate experience would inevitably involve the expressions of the physical language at the cost of the independence of the phenomenological language
但通過對于」予料」之本性的深入探索，維氏最後卻不得不承認了：再現直接經驗的任何嘗試都會不可避免地牽涉到物理語言的表達式，而這種牽涉恰恰是以犧牲現象學語言的獨立性為代價的。 -
This separation of access criteria from physical storage characteristics is called physical data independence
從物理存儲特徵中分離出訪問標準叫作物理數據獨立性。 -
Based on mis theory, this thesis develops the physical and datum model of mudlogging management system and database. gives data management regulations which assure users, applied software and system environment combine tightly yet keep functional independence
以數據平臺為基礎，提供了一套數據管理規范，使用戶、應用軟體、系統環境之間緊密結合又不相互依賴，安全穩定，技術先進的數據管理系統。
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