Dual & Exists – Useful Functions

    The Dual and Exists functions are useful functions that I often use in my script.  The Dual function allows me to represent a string field numerically, making it ideal for sorting purposes.  The Exists function, used in conjunction with the Where clause, allows me to only load related data into my data model.

    If you would like to learn more or see an example application, check out the attached technical brief or my blog on the topic.