filter factor
基本解釋
- [光] 濾光因數(shù)
英漢例句
- The filter factor indicates how selective the predicate is.
過(guò)濾因子表示謂詞的選擇性有多強(qiáng)。 - For SQL statements with variables, the optimizer uses a default filter factor to determine the best access path at bind time.
對(duì)于帶變量的 SQL 語(yǔ)句,優(yōu)化器會(huì)使用一個(gè)默認(rèn)過(guò)濾因子在綁定時(shí)確定最佳訪問(wèn)路徑。 - The filter factor is a number between 0 and 1 that estimates the proportion of rows in a table for which the predicate is true.
過(guò)濾因子是 0 到 1 之間的一個(gè)數(shù)值,它用來(lái)評(píng)估表中謂詞為真的行所占的比例。
雙語(yǔ)例句
詞組短語(yǔ)
- filter correction factor 濾波校正因子
- filter efficiency factor f 過(guò)濾效率因子f
- filter q factor 濾波器q值
- filter clogging factor 濾波因數(shù)
- filter cake stuck factor 泥餅粘滯系數(shù)
短語(yǔ)
專業(yè)釋義
- 濾波器因數(shù)
- 濾光系數(shù)
- 濾光因數(shù)
- 過(guò)濾系數(shù)
- 濾光片曝光系數(shù)
- 過(guò)濾器因子