Define the column mappings between the source and destination tables.
定义源表和目的表之间的列映射。
Once you have specified the column mappings for your business object, click Next.
为业务对象指定了列映射后，单击Next。
As you can imagine from reading the preceding article, the metadata that describes these relationships is now also stored in XML files in the same way that attribute-column mappings are stored.
正如您在阅读上篇文章后可以想象的那样，描述这些关系的元数据现在也可以用与存储属性列映射相同的方法存储在XML文件中。
These are the questions that the authors of the language mappings must wrestle with, and this is a good exercise to prepare you for the next column.
这些是语言映射的作者必须努力解决的问题，并且这是一个很好的练习，可以帮助您为阅读下一篇专栏文章做好准备。
During the registration of a data source object on a relational data source, default type mappings determine how a data source data type should map to a DB2 type for each column.
在注册一个关系数据源上的一个数据源对象时，默认的类型映射决定如何将一个数据源数据类型映射到每个列的DB 2类型。
Such customization can include adding missing function mappings, altering the data type of a nickname column, and setting some performance-related options.
这些定制可包括添加缺失的函数映射、修改昵称列的数据类型以及设置某些与性能相关的选项。
Listing 5 sets the target spreadsheet and worksheet and then creates an array of row data containing column-value mappings.
清单5设置了目标电子表格和工作表，然后创建了一个行数据数组，包含列-值映射。
The gridLayout array defines the column names and the field mappings.
gridLayout数组定义了列名和字段映射。
The gridLayout array defines the column names and the field mappings.
gridLayout数组定义了列名和字段映射。
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