結構元素的父 的英文怎麼說
中文拼音 [jiēgòuyuánsùdefù]
結構元素的父
英文
parent of elements in a structure- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 素 : Ⅰ形容詞1 (本色; 白色) white 2 (顏色單純) plain; simple; quiet 3 (本來的; 原有的) native Ⅱ名...
- 的 : 4次方是 The fourth power of 2 is direction
- 父 : 父名詞[書面語]1. (老年人) elderly man 2. (同「甫」,指人的表字) one's courtesy name3. (姓氏) a surname
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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To provide information about the hierarchical relationship of the data in the outputs, the xml source adds a column in the outputs that identifies the parent element for each child element
為了在輸出中提供關于數據層次結構關系的信息, xml源在輸出中添加了一個為各個子元素標識父元素的列。The feature of xrdb system is follow : the relation of xml element and it ' s son is keeped by relation - dictionary, as the same time the relation - dictionary keeped the element attributes, content and their corresponding in relation database. in order to get the more efficiency relation table, the dom tree of xml schema is trimed for getting orderliness xml schema. for efficiency rewrited path expression into sql, the relation dictionary keeps every xml element ' s absolute path
Xrdb系統的主要特色有:用關系字典保存xml元素的父子關系,元素的屬性,內容以及它們對應的關系數據庫表名,列名;對xml模式的dom樹進行修剪,使xml模式整潔,從而使映射得到的關系的更合理;關系字典保存了每個元素的絕對路徑,可以快速地把路徑查詢重寫為結構化查詢; xrdb的查詢結果是原來xml文檔的文檔片段。
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