Add or Edit Multiple Transforms

You can define or edit transformations for several column at a time. You can also apply an existing transformation to one or more columns.

To add or edit transformations for multiple transforms:

1. Double-click the Transform node. The Transformation Editor opens.

2. To define the same transform for several columns, select the columns. You can select columns with different but compatible data types. For example, CHAR and VARCHAR are characters, and are compatible data types. If there are no transformations that apply to all the columns, you get a message. Click .

   The Apply Transform Wizard opens.

   1. Select the Transform type to apply to all columns.

   2. Provide the specific details related to the transform type that you have selected.

   3. Click Next.

   4. Click Generate Statistic.

   5. Click Finish.

3. If you have already transformed a column, then you can define the same transformation for several other columns.

   Suppose you have binned AGE creating AGE_BIN. To bin several columns in the same way, select AGE and the columns that you want to bin in the same way. Click .

   The Apply Transform Wizard opens.

   1. For Transform Type, select <Use Existing>. AGE_BIN is listed as the Transformed column. You cannot change any other values.

   2. Click Next. You can change the names of the output columns.

   3. Select Generate Statistic on Finish.

   4. Click Finish.

4. To edit several transformations at the same time, select the transformations and click .

   The Apply Transform Wizard opens. Edit the transformation and click Finish.