A very important element in all development environments is the ability to leave room for dynamic information. Eventually, you will want to use variables to construct, refresh, and store information as the processes unfold.
This chapter is relatively independent from the others, and can be consulted out of sequence. You will probably want to review some of its content after you have covered more of the following chapters. As variables can be used anywhere in ODI, some of the concepts mentioned here will actually be covered more in depth later. Introducing variables early will allow you to have a better feel for what they are and how and where they can be used. Other chapters will reference variables. Feel free to come back to this chapter for more details on the subject. In this chapter, we will cover the following points:
How to define variables, and how the different definitions will impact the usability of variables
How to use variables to process dynamic information...