- created fixed and variable data objects using both predefined and user-defined data types
- learned the rules of ABAP/4 syntax and the statements for controlling program flow
- discovered assignment statements and conversion rules
- defined internal tables and filled them using implicit and explicit work areas
- optimized the select statement to directly and efficiently fill an internal table
- performed control break processing on internal tables
- used the formatting options of the write statement and experienced the effects of data type on the output
- employed conversion exits and detected their presence within the domain