The system model, analyzes relational value of concentration of various elements in oil, which is used to conclude engine condition and elemental grouping.
系统模型用该方法分析油液中各元素的浓度关联度，从而判别发动机的工况和元素分组。
SimpleDB is a simple data storage that lacks the sophistication of a full-fledged Relational Database Management System (RDBMS), while providing scalable key-value storage.
SimpleDB是一个简单的数据存储，它缺乏一个完全成熟的关系数据库管理系统(RDBMS)所拥有的完善的功能，但是提供了一种可伸缩的键值存储。
Because of its regular structure, relational data is "dense" — that is, every row has a value in every column.
由于其规则结构，关系数据是“密集的”，即每一行中的每一列都有一个值。
This operator also extracts the date and time information from a timestamp, populating two relational columns from one XML data value.
该操作符还从时间戳提取日期和时间信息，并用一个XML数据值填充两个关系列。
To further enhance the DB2 family value proposition, DB2 packaging includes federation across the entire IBM relational database portfolio.
为了进一步增强DB 2系列的价值主张，DB 2封装包括跨整个IBM关系数据库产品组合的联合功能。
Here, the ID value in the shredded relational column should always match with the value in the XML column.
在这里，分割后的关系列的id值应该总是与xml列中的值匹配。
For example, if a relational database or spreadsheet says that employee 94321 has a hire-date value of 2007-10-14, it would be easy to express this as a triple.
例如，如果一个关系数据库或电子表格说雇员94321的雇佣日期是2007-10-14，那么很容易表达为三元组。
Publishing functions are used to transform the relational data into an XML value.
发布函数用来将关系数据转换为XML值。
As described above, the value of using an XML database (as opposed to CLOBs or shredding into relational data) is increased performance, XML fidelity, and simplified development.
如前所述，使用XML数据库的价值(相对于CLOB或分割为关系数据)是改进性能，提高xml精确度，以及简化开发。
A general, good practice is not to allow null (that is, no value) columns in a relational database, because when you attempt to read such a column, you get a null value exception.
通常，一种优秀的实践就是不要在关系数据库中使用null(即没有值)列，因为当您试图读取这类列时，您将得到一个null值异常。
To do this, an XPath expression is used to identify the portion of the XML data, normally a specific XML text node, that returns each relational data value.
为此，需使用一个XPath表达式来识别由XML数据组成的部分，通常为一个特定的XML文本节点，它会返回所有关系数据值。
The customer table has the column cid as a relational column and key value which represents customer id.
customer表包含一个作为关系列的cid列，以及表示顾客id的键值。
We went through several storage layers in the early days, including abusive use of relational tables and key-value storage of denormalized lists.
早期我们调研了多个存储层系统，包括被广泛使用的关系型数据库和一些非常规的Key-Value存储系统。
The value of the cid attribute is passed to the sqlquery function to compare it to the relational cid value.
cid属性的值被传递给sqlquery函数，以将其与关系cid值进行比较。
XMLCAST: a new SQL function that converts an XML node's value into a relational data type, such as VARCHAR, INTEGER, DATE, and so on.
XMLCAST：这个新的SQL函数将xml节点的值转换为关系数据类型，比如VARCHAR、INTEGER、DATE等等。
Update 14 USES the relational column value "CID" in the transform expression to produce a new element "customerid" as the first element under the root element "customerinfo."
更新14在转换表达式中使用关系列“CID”生成新元素“customerid”并让它成为根元素“customerinfo”下的第一个元素。
Relational databases use Structured Query Language (SQL) to pull information from multiple tables and columns, but key-value stores are limited to operations on the key column.
关系数据库使用结构化查询语言(Structured Query Language,SQL)以便从多个表和列中提取信息，但是键值存储仅限于对键列的操作。
Base this value on the page size and on the size of the other relational columns. Listing 3 shows the code snippet to do this.
根据页面大小和其他关系列的大小确定这个值。
If you are familiar with relational databases such as IBM DB2, MySQL, or PostgreSQL, then you will find key-value stores primitive in comparison.
如果您熟悉关系数据库，例如IBMDB 2、MySQL或PostgreSQL，则相比之下您将发现键值存储非常简单。
On the basis of attributes of relational assets, it expounds their roles in customer value creation.
在介绍关系资产特性的基础上，阐明了关系资产在顾客价值创造中的作用。
The watermarking relational databases have wide foreground and real application value for the database's security.
水印关系数据库对数据库的安全有着广阔前景和实际应用价值。
The commutation algorithm toward null value for data dependent on satisfactory conditions in relational database is discussed and the related definitions, rules and theorems are put forward.
讨论了关系数据库的空值与数据依赖满足性变换算法，并给出了有关的定义、规则、定理与变换算法。
The initiation of value interaction and relational rents is exploiting more spaces for the sake of achieving various resources for enterprises endogenous growth.
价值界面与关系租金概念的提出大大地拓展了获取企业内生性成长中各种资源的空间。
Abstract: the data redundant in relational database is caused by the reduplication of the table, attribute, record, or attribute value.
文摘：关系数据库的数据冗余形成的原因有表的重复、属性的重复、元组的重复、属性值的重复。
From 1998 to 2003, the gray relational entropy of low-water resource system changes from low, high to low value. After 2003, the gray relational entropy begins to increase again.
研究结果表明，贵阳地区1998年到2003年其枯水资源系统的有序度变化从增加到减小再到增加，2003年以后灰关联熵又开始增加，系统有序度又有增强的趋势。
From 1998 to 2003, the gray relational entropy of low-water resource system changes from low, high to low value. After 2003, the gray relational entropy begins to increase again.
研究结果表明，贵阳地区1998年到2003年其枯水资源系统的有序度变化从增加到减小再到增加，2003年以后灰关联熵又开始增加，系统有序度又有增强的趋势。
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