filter factor
filter factor什么意思,filter factor翻译
基本解释
un.: 〔光〕滤光系数;滤色镜系数;滤波因数;滤光因数
网络: 过滤因子;过滤系数;过滤因素
英汉解释
滤光因数
滤波因数
滤色镜系数
〔光〕滤光系数
例句
To understand how the optimizer ends up with 0. 0014% as the filter factor, first look at the six elements in the IN list predicate.
为了了解优化器如何最终以0.0014%作为过滤因子,首先要查看在IN清单谓词上的6个元素。
For SQL statements with variables, the optimizer uses a default filter factor to determine the best access path at bind time.
对于带变量的SQL语句,优化器会使用一个默认过滤因子在绑定时确定最佳访问路径。
Filter factor A multiple that indicates the increase in exposure required when such a filter is used.
滤色片系数只是用该滤色片所需的额外曝光倍数。
The Filter factor for each predicate indicates the proportion of data the optimizer estimates will satisfy the predicate.
每个断言的筛选因子表示优化器估计符合断言的数据的比例。
The filter factor indicates how selective the predicate is.
过滤因子表示谓词的选择性有多强。
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.
过滤因子是0到1之间的一个数值,它用来评估表中谓词为真的行所占的比例。
The query annotation for this predicate shows that the predicate filter factor (FF) is 0. 000014, or 0. 0014%.
此谓词的查询注释显示谓词过滤因子(FF)是0.000014,或0.
FF (see number 6 in Figure 5): Filter factor for the predicate.
FF(见图5中6):谓词的过滤因子。
Development of automatic detector for polymer solution filter factor
聚合物溶液过滤因子自动检测仪的研制