Source and error listing
Errors are written to the precompiler protocol file. If errors occur before this file can be opened (e.g., in the option specifications), they are written into a special error file (SQLERROR) which is described in more detail in the platform-specific User Manuals.
Object module
The file is linked to an executable module, together with other object modules and the runtime system.
Trace file
This file contains the executed SQL statements.