该函数使用查找表来确定目标列值。
Lookup, a function that USES a lookup table to determine the destination column value.
单击book目标列表的source列。
请注意所有的源列都映射到各自的目标列中。
Notice that all of the source columns get mapped to the respective target columns.
请注意所有的源列都映射到各自的目标列中。
Notice that all the source columns get mapped to the respective target columns.
单击author目标列表的source列。
创建新的列映射，并使用列名称引用源列和目标列。
Creates a new column mapping, using column names to refer to source and destination columns.
创建新的列映射，并使用列序号引用源列和目标列。
Creates a new column mapping, using column ordinals to refer to source and destination columns.
如果你之前给这些目标列过目标，那么要经常更新它们。
If you've listed them before, it's always good to update them.
为author目标列表选择Source列。
源和目标列中都提供了一个过滤器，可以使字段的查找变得非常容易。
A filter is provided on both the source and target columns to make finding such fields easier.
XMLToSQL创建完后，就可以设置主键列和目标列了。
After an XMLToSQL is created, primary key columns and target columns are set. The following sample class illustrates these steps.
创建新的列映射，并使用列序号引用源列和目标列的列名称。
Creates a new column mapping, using a column name to refer to the source column and a column ordinal for the target column.
消费者寻求的是愿意付出的公司，因此他们很可能将目标列在名单首位。
As consumers look for companies that give, they'll likely spot Target at the top of the list.
识别该问题的简易方法是临时使用clob类型作为目标列，它没有任何大小限制。
An easy way to identify this problem is to temporarily use CLOB types, which have no size restrictions, as target columns.
HASH_LOOKUP，该函数根据源列派生的值来确定查找表的目标列值。
HASH_LOOKUP, a function that determines the destination column value from a lookup table according to a value derived from a source column.
可以看到，每个属性都带有注释，其中包含该属性的路径和它在目标表中的目标列(“rowset”)。
You see that each attribute is annotated with its path and a target column in a target table (" rowset ").
若要避免错误或截断，可以在平面文件连接管理器、平面文件源或转换中调整列的大小，以便与目标列兼容。
To avoid errors or truncation, you can resize the columns to be compatible with the destination columns in the Flat File connection manager, the Flat File source, or a transformation.
RAND _ LOOKUP，随机查找函数，该函数根据作为查找表中下标的随机数从查找表中选择目标列的值。
RAND_LOOKUP, a random lookup function that selects a value for the destination column from a lookup table based on a random number as the subscript in the lookup table.
将来自xmlRelationalmapping操作符的适当的源列映射到该表的目标列，如图22所示。
Map the appropriate source columns from the XML Relational Mapping operator to the target columns of the table, as shown in Figure 22.
类似地，如果一个映射描述的是将address字段分割为Line1,Line2,City,ZipCode，那么它将有一个源列和4个目标列。
Similarly, a mapping that describes the splitting of an address field into Line1, Line2, City, ZipCode would have one source column and four target columns.
试着将它当作代办事项列在任务清单里，你只能进行目标集中式阅读——有时候有用，但是并非是最令人满足的阅读方式。
Try to slot it in as a to-do list item and you'll manage only goal-focused reading—useful, sometimes, but not the most fulfilling kind.
使用合适的标签来为其余的4个扩展卡创建列，以运行测试目标。
Create columns for each of the other 4 runs with labels appropriate to the run test objective.
结果是需要每一个目标元素（列）都有一个单独的可执行的映射。
The result needs to be a single executable mapping for each of the target elements (columns).
例如，您可以将源系统上较小的列数据长度复制为目标系统上较大的数据长度。
For example, you can replicate from small column data lengths at the source to larger data lengths at the target.
在这个步骤中，您需要使用一列属性在目标存储库中创建一个文档，这些属性必须设置，以便CMIS存储库确切知道要创建什么。
In this step, you need to create the document in the target repository with a list of properties that you must set for the CMIS repository to know what exactly to create.
表间关系、主键列和其他有关目标数据的信息也是通过元数据对象指定的。
Inter-table relationships, primary key columns, and other information about the target data is specified through the metadata object as well.
列一个这些目标有助于你职业生涯的原因清单。
Write out a list of reasons these goals will help your career.
列一个这些目标有助于你职业生涯的原因清单。
Write out a list of reasons these goals will help your career.
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