Starting the Development Phase – Using the Designer Screen Basics - Learning Informatica PowerCenter 9.x - page 31

The options available in the Columns tab are explained as follows:
◦ Add a new column : You can click on this option to add a new column.
You can add multiple columns as per your requirement. Once you add a
new column, you need to specify other details such as data type, preci-
sion, and so on for the column you added.
◦ Delete a column : To delete a column, click on the column you wish to
delete and press the Delete button.
◦ Copy an existing column : You can copy an existing column if you wish
to make a column similar to that column.
◦ Paste the copied column : You can paste the copied column as per your
requirement.
◦ Move up or down the column : You can move up or down the column to
rearrange the columns inside the source definition.