double-index method 双指标法
double index dobby 双铁片起落多臂织机 ; 双重尾杆多臂机
double-index 双重指标
double index sign method 双指标剂法
double bond index 双键指数 ; 双键率
double KWIC index 双KWIC索引 ; 双重关键词索引
double-KWIC index 双重上下文内关键字索引
Double e index 双分度
Double level index 二级索引
Therefore, DB2 can use a DOUBLE index for faster join processing.
因此,DB 2可以使用DOUBLE索引用于快速连接处理。
As you see in Table 3, a string predicate can only be evaluated with an XML index of type VARCHAR, while a numeric predicate can only be evaluated with an index of type DOUBLE.
正如您在表3中所看到的,字符串谓词只能由varchar类型的xml索引进行计算,而数值谓词只能由double类型的索引进行计算。
For example, the index idx1 on author id attributes is defined as DOUBLE since it is expected that these IDs are numeric values.
例如,将author id属性上的索引idx 1定义为DOUBLE,是希望这些id为数值。
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