要将数据加载到数据库中，需要定义加载映射，以将来自数据文件的记录中的字段与数据表中的列相关联。
To load data into a database, you define a load map, which associates fields from records in a data file to columns in a database table.
数据清理模式定义为标准化、清理并最终基于自由格式文本字段的内容进行记录匹配(或消除重复项)。
The data cleansing pattern is defined as the standardization, clean-up, and ultimately, matching (or de-duplicating) records based on the content of freeform text fields.
为了使处理更简单，我添加了一个类型字段，可以用来明确定义的记录类型。
To make processing even simpler, I have added a type field, which can be used to explicitly define the type of the record.
记录可以为此字段定义多个值。
MDB2_Schema将读取并解析xml定义，并将其转换为实际的数据库表、字段和记录。
MDB2_Schema will read and parse the XML definitions, and turn them into actual database tables, fields and records.
您应该调用TSQLDataSet. FieldDefs . Update方法，该方法只为字段定义检索元数据，没有为选定的表本身检索实际记录数据。
Instead, you should call the TSQLDataSet.FieldDefs.Update method, which will only retrieve the metadata for the field definitions, and not the actual record data for the selected table itself.
这样即使在PersonName字段中找到匹配，也可以使用适当的加权定义将匹配物理地址的记录先放入列表中。
So even if a match is found in the Person Name field, you can use the appropriate weighting definitions to place the matching physical address records first in the list.
每条Order记录都由使用逗号分隔的字段组成，因此该分组被定义为Explicit——Delimited并且分隔符的值为“，”。
Each Order record consists of fields separated by commas, so this group is defined as Explicit — Delimited and the delimiter value is ", ". Each record is terminated by newline character.
清单10显示了记录的ut _ type字段值的定义。
Listing 10 shows the definition of the value of the ut_type field from the record.
在定义中间对象时，您可以选择将哪些字段记录到历史记录中，如图27 所示。
When defining an intermediate object, you can select which fields will be recorded in history, as shown in Figure 27.
如果显示的字段的宽度大于80个字符，每个记录的结果按表中的字段定义跨多行显示。
If the width of the fields to be displayed is greater than 80 characters wide, the results for each record is displayed over multiple lines, as defined by the fields in the table.
清单8中的接口定义用于配置应用程序日志记录的字段。
The interface in Listing 8 defines fields for configuring the application's logging.
提取规则可以根据需要手动添加和自定义，而不是依赖于自动记录的隐藏字段数据。
Rather than relying on automatically recorded hidden field data, extraction rules can be manually added and customized as needed.
提取规则可以根据需要手动添加和自定义，而不是依赖于自动记录的隐藏字段数据。
Rather than relying on automatically recorded hidden field data, extraction rules can be manually added and customized as needed.
应用推荐