| 释义 |
cardinalities 英kɑːdɪ'nælɪtɪz美kɑːdɪ'nælɪtɪz COCA¹⁵²³⁴⁰
基本英英例句
基数¹⁰⁰原型cardinality的复数
名词 cardinality:
mathematics the number of elements in a set or group considered as a property of that grouping Comparing real cardinalities to the optimizer's estimates can help you identify query planning problems.
对真实的基数和优化器估计的基数进行比较，可以帮助您识别出查询计划方面的问题。 ibm
In the world of OWL and RDF, relationships of various cardinalities are expressed through multiple assertions of the same property.
在 OWL和 RDF世界中，通过对同一属性的多个断言来表达各种基数的关系。 ibm
Section actuals permit you to see what the real cardinalities are vs. estimated cardinalities in an access plan.
片段实绩使您能够查看访问计划的真实基数与估计基数的对比。 ibm
Selectivities of the predicates in a query determine the cardinalitiesnumber of rows at various places in the query execution plan.
查询中谓词的选择性决定了查询执行计划中不同位置的基数行数。 ibm
Set the cardinalities as shown in Figure9. Press OK.
如图9所示设置基数。按下 OK。 ibm |