cardinalities

  • Web基数

Web Definition

1.
基数
联系的基数（Cardinalities）：实体实例之间的联系的数量 ，即一个实体的实例通过一个联系能与另一实体中相关联的 实例的 …
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Sample Sentence

Definition:
AllAll,基数基数
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
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。
piàn duàn shí jì shǐ nín néng gòu chá kàn fǎng wèn jì huà de zhēn shí jī shù yǔ gū jì jī shù de duì bǐ 。
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2.
However, named patterns can at least be used to make spelling out cardinalities slightly less painful.
然而，使用所指定的模式至少可使基数的拼写略微简洁些。
rán ér , shǐ yòng suǒ zhǐ dìng de mó shì zhì shǎo kě shǐ jī shù de pīn xiě lüè wēi jiǎn jié xiē 。
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3.
Selectivities of the predicates in a query determine the cardinalities (number 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）。
chá xún zhōng wèi cí de xuǎn zé xìng jué dìng le chá xún zhí xíng jì huà zhōng bù tóng wèi zhì de jī shù ( xíng shù ) 。
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4.
The product of individual column cardinalities is compared to the cardinality of the column group to get better correlation estimates.
较于列组的基数，单个列的基数（cardinality）的乘积将获得更好的相关性估计。
jiào yú liè zǔ de jī shù , dān gè liè de jī shù ( cardinality ) de chéng jī jiāng huò de gèng hǎo de xiāng guān xìng gū jì 。
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5.
Many industry-level XML standards are loosely defined -- which typically means that cardinalities are minimally defined.
很多行业级别的XML标准的定义都很宽松，这通常意味着定义的规约很少。
hěn duō háng yè jí bié de XML biāo zhǔn de dìng yì dōu hěn kuān sōng , zhè tōng cháng yì wèi zhe dìng yì de guī yuē hěn shǎo 。
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6.
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。
duì zhēn shí de jī shù hé yōu huà qì gū jì de jī shù jìn xíng bǐ jiào , kě yǐ bāng zhù nín shí bié chū chá xún jì huà fāng miàn de wèn tí 。
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7.
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。
zài OWL hé RDF shì jiè zhōng , tōng guò duì tóng yī shǔ xìng de duō gè duàn yán lái biǎo dá gè zhǒng jī shù de guān xì 。
www.ibm.com
8.
Added the Relationship Cardinalities table.
添加了“关系基数”表。
tiān jiā le " guān xì jī shù " biǎo 。
msdn2.microsoft.com
9.
Set the cardinalities as shown in Figure 9. Press OK.
如图9所示设置基数。按下OK。
rú tú jiǔ suǒ shì shè zhì jī shù 。 àn xià OK 。
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10.
Relationship containing relationship name and cardinalities
关系，其中包括关系名。
guān xì , qí zhōng bāo kuò guān xì míng 。
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