filter factor [光] 滤光系数 ; 滤光片曝光系数 ; 滤波器因数 ; 过滤因素
light filter factor 滤光器因数
Uv Filter Factor 紫外线过滤因子
inverse filter factor 反滤波因子
smoothing filter factor 圆滑滤波因子
lightdiffusive filter factor 滤光因数
Bellow and Filter Factor 皮腔与滤镜
Filter Factor Correction Method 滤波校正法
filter cake stuck factor 泥饼粘滞系数
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。
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。
Since it is a range predicate and there are no frequency and histogram statistics available, the filter factor is calculated with the basic statistics information HIGH2KEY and LOW2KEY.
由于它是范围谓词，而且没有频度和直方图统计数据可用，过滤因子是用基础统计信息HIGH2KEY和LOW2KEY计算得出的。
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