Be aware of the following points about the Data Builder module for Data Express: 
               
            
 
            
             
               
               - To use the Data Express for z/OS solution, you must have the correct license. Refer to the 
                  Installation Guide for more details. 
                  
               
- You do not need to analyze the sources of the programs in the application to use Data Express. 
                  
               
- Data Express does not perform any operation capable of altering the analyzed data.