relational calculus中文

發音:   用"relational calculus"造句
關系演算
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例句與用法

  1. First , in this paper , a paraconsistent relational data model and its algebraic operators are introduced briefly . then , paraconsistent relational calculus based on this model is discussed and domain relational calculus for paraconsistent database is presented
    本文首先簡要介紹了次協調關系數據模型及其代數運算,并在此基礎上進一步討論了次協調關系演算,提出了次協調關系上的域關系演算。

百科釋義

    Relational calculus consists of two calculi, the tuple relational calculus and the domain relational calculus, that are part of the relational model for databases and provide a declarative way to specify database queries. This in contrast to the relational algebra which is also part of the relational model but provides a more procedural way for specifying queries.
    詳細百科解釋

相關詞匯

  1. relational algebra中文
  2. relational algebra command interface中文
  3. relational approach中文
  4. relational associative processor中文
  5. relational balance中文
  6. relational character中文
  7. relational checking中文
  8. relational coiling中文
  9. relational complete language中文
  10. relational completeness中文
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