scanning index的意思
scanning index中文翻譯:
掃描索引
index───vi.做索引;vt.指出;編入索引中;n.指標;指數;索引;指針
scanning devices───掃描設備
alanine scanning───丙氨酸掃描
barcode scanning───條形碼掃描
interlaced scanning───[電子]隔行掃描
scanning device───掃描器,掃描設備,掃描法;[電子]掃描裝置;掃描法
scanning mode───掃描方式
evenness index───均勻性指數
ge index───通用電氣指數
Creating an index page, of all articles in a directory or in total, requires scanning the file system for available files.───創建一個索引頁,將所有文章都放在一個目錄或所有目錄中,這樣如果想要得到可用的文件就必須掃描該文件系統。
From the performance perspective, this is considered a very efficient join operation, because the cost for scanning the inner table is optimal via unique access through a unique index.───從性能的角度來看,這被認為是一個非常有效的聯接操作,因為通過貫穿唯一索引的唯一訪問掃描內部表的成本是最優的。
Thus, the search in a large file using a hash index is faster than scanning the entire file.───因此,對于較大的文件,使用hash索引進行搜索比掃描整個文件更快。
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