polec 中文意思是什麼
polec
解釋
波勒克-
If relevant, then checks whether it is concurrent incremental maintainable or self - maintainable. if the update satisfies self - maintenance, our mechanism queries auxiliary views ( instead of querying iss ) to avoid network transmission and make the materialized view consistent with underlying iss. the update which needs to maintain the view concurrently and incrementally can be handled by polec
當收到更新后， pmdvm方法首先用相關性對其檢查，對不相關更新直接拋棄；對相關更新對其進行並發增量視圖維護或自維護機制檢查，對滿足自維護的更新通過查詢輔助視圖（而不是查詢數據源）來避兔網路傳輸和使實化視圖與底層的數據源保持一致，對必須進行並發增量視圖維護的更新由polec來處理。
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