query rewrite 中文意思是什麼

query rewrite 解釋
查詢重寫
  • query : n 1 質問；詢問；疑問，懷疑。2 敢問，請問〈在疑問句前單獨使用〉。3 【印刷】（打在原稿或校樣上的）...
  • rewrite : vt. （-wrote , -written ） 書面答復；重寫；再寫；改寫，修改。n. 改寫[重寫]的文稿。n. -man （報館等的）改寫加工編輯。
  1. Since summary data is precomputed in the mqts, db2 optimizer may rewrite a specific query to access an mqt instead of based tables because the optimizer can recognize if result sets can be derived from an mqt with less predicted cost

    因為匯總數據在mqt中預先計算，所以db2優化器可以改寫特定查詢來訪問mqt ，而不是基礎表，因為優化器可以識別是否能以較少的預計成本從mqt得到結果集。
  2. Since 1999, she has worked in many areas of federated query compilation, including query semantics, query rewrite, pushdown analysis and query optimization

    從1999開始，她從事過聯邦查詢編譯的很多領域，包括查詢語義、查詢重寫、下推分析和查詢優化。
  3. We use a navigational algebra as the target ganguage the describes navigation plans and we show how to us rewrite rules in the spirit of relational optimizers and, taking link and inclusion constraints into account, to reduce the number of page accesses needed to answer a query

    我們使用引導代數（ navigationalalgebra ）作為描述導航方案的目標語言，同時我們在研究最優化關系抽象中使用重寫規則，將鏈接約束和包含約束引入到運算中，以便在回答查詢中，減少大量需要訪問的頁面數量。
  4. Assigns an internal rewrite path with additional path and query string information

    指定具有附加路徑和查詢字元串信息的內部重寫路徑。
  5. Rewrite the query to produce a different query execution plan

    重寫查詢以生成不同的查詢執行計劃。
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