因此，Cell对象通过Row对象中的列索引进行散列化。
Thus, the Cell objects are being hashed with the column index in the Row object.
这个过程仅仅是迭代您的朋友并散列化(hash)它们的关注者计数。
The process is simply to iterate your friends and hash their followers count.
在传统的去耦合中，对象被散列化，然后使用散列值进行初始相似性检查。
In traditional de-duplication, objects are hashed, and the hash value is used as the initial check for similarity.
表CUSTOMER_INFO存储于DB 29数据库中，其XML数据通过如下所示的远程视图序列化进blob列。
The table CUSTOMER_INFO is stored in a DB2 9 database, and its XML data is serialized into a BLOB column using the following remote view.
如上所述，每一列都代表从左到右有专门化发生的信息类型。
As before, each column represents an information type, with specialization occurring from left to right.
如果列是结构化类型列，则需要将结构化类型的名称指定为其数据类型(清单1)。
If the column is a structured type column, you specify the name of the structured type as its data type (Listing 1).
这样做能够最小化针对指定列需要检索的数据量。
This minimizes the amount of data retrieved to just the columns specified.
在我所在的州，马萨诸塞州小学和高中学生在学习生涯中都必须通过一些列标准化测试，最终作为高中毕业的必备条件。
As in many states, Massachusetts elementary and high school students must pass a series of standardized tests during their scholastic careers, ultimately as a prerequisite for high school graduation.
这一列表是由工作台选择初始化的。
下面给出格式化报表时有用的一些其他列选项。
Some of the other column options useful in formatting reports are given below.
它们还可以存储结构化类型的列或索引数据。
对于表(类型化表)中的行，其中的列是根据结构化类型的属性定义的。
As rows in a table (a typed table) whose columns are defined by the attributes of the structured type.
当引用非类型化数据集中的列时，维护和性能方面会有所不同。
There are differences in maintenance and performance when referring to columns in an untyped DataSet.
对于一个或多个列中的值，可以使用结构化类型作为数据类型对它们进行定义。
As values in one or more columns, which are defined using the structured types as their data types.
类似地，对xml列进行文档检索需要串行化，即，将已解析的xml格式转换回其原始文本表示。
Similarly, document retrieval from an XML column requires serialization, that is, converting the parsed XML format back into its original textual representation.
如果编号的数位相同的话，那么对列中的编号进行格式化则没有什么乐趣。
There's no fun in formatting Numbers in columns if we don't have differing Numbers of digits.
获取初始化值，并通过在列的首个元素上的操作来与其结合。
Take an initial value and combine it via an operation on the first element of the list.
这是因为从xml列读取数据需要串行化或将已解析的XML转换回文本格式。
This is because reading from the XML column requires serialization, or the conversion of parsed XML back to text format.
对于行修改时间戳列(只针对这种列)，如果该列使用IMPLICITLYhidden属性定义，那么当对表列进行隐式引用时，不会对该列执行外部化。
For row change timestamp columns only, if the column is defined with the IMPLICITLY HIDDEN attribute, then it is not externalized when there is an implicit reference to the columns of the table.
正如前面提到的，DB 2允许根据xml列中存储的层次化数据创建关系视图。
As mentioned previously, DB2 enables firms to create relational views over hierarchical data stored in XML columns.
表2列出了您可以轻松标记为结构化数据的较为常见的信息类型。
Table 2 lists the more common information types that you can easily mark up as structured data.
在报表生成期间这些命令是一起使用的，以便基于列值对报表进行格式化。
These commands are used together during report generation to format the report based on column values.
我所能获取的列太多，又很容易遗漏重要的结构化数据库特性，比如索引或空约束。
I can fetch too many columns, or leave off important structural database features, like indexes or null constraints.
您可以用同样方式使用结构化类型列创建表，也可以只使用DB 2内置数据类型创建一个表。
You can create a table with structured type columns in the same way that you would create a table using only DB2 built-in data types.
在使用隐式列列表时，隐式隐藏列不会被外部化。
Implicitly hidden columns are not externalized when implicit column lists are used.
第一列显示初始的、非结构化的文档。
The first column shows what was in the original, unstructured document.
用格式“ A6 ”对列lastname进行格式化，从而将列值限制在最大为6个字符。
The column LASTNAME is formatted with "A6," which restricts the column values to a maximum of six characters.
如果您想要根据列的类型格式化报表中的值，可以在列上定义列选项FORMAT来指定列值的报表格式。
If you want the values in the report to be formatted according to column types, then the column option format can be defined on the columns to specify the report format for the column values.
然后，Text操作器可以从文本列中提取结构化信息，把它们作为新列(其中包含找到的姓名、技能、日期等概念)添加到输出中。
Text operators can then extract structured information from text columns and add them to the output as new columns containing found concepts like names, skills, dates etc..
如果没有任何注释与给定订单对象相关，那么您可能希望在持久化实体后将该列设为null。
If no comment is associated with a given purchase order object, you might expect this column to be null after persisting the entity.
应用推荐