Data Transformation Engine Type Designer Reference Guide

Chapter 3 - Type Trees Exercise
♦ The minimum size of each column is one byte. There is no maximum size.
♦ The number of rows in the order is infinite.
♦ A carriage return/linefeed appears at the end of each row.
After reading the specifications, make a list of the types to be created. Your list
may look something like this:
Type Name Description
Order The type that represents the entire input or output. In this
example, a type representing the entire order.
Row The type that represents the rows in the orders. The
specifications show that each Order contains rows.
Column The type that represents the product columns. The specifications
show that each Row contains columns.
Column
subtypes
The types that represent the different kind of columns. The
specifications show three kinds of columns: Product, Style, and
Quantity. Create these types as subtypes of the Column type.
Create a new type tree and start creating the types listed above.
To create the Orders type tree
1 From the File menu, choose New.
The new type tree is created.
2 From the File menu, choose Save.