query processing module

基本解释

This paper describes the design and implementation of query optimization for kernal module of query processing in RXDB.
本文重點介紹RXDB查詢処理的核心模塊——查詢優化的設計和實現。
SQL: A query is used to access the database language Affairs stream: data entering the module may have multiple paths for processing.
一種用於訪問查詢數據庫的語言事務流：數據進入模塊後可能有多種路逕進行処理。
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As a module embedded in reactive power optimization software, the engine performs the key functions of parsing and processing SQL, data access, data organization and query management.
該引擎作爲一個模塊嵌在無功優化軟件中，主要完成解釋執行SQL語句、數據存取、數據組織及查詢処理等功能。