1. A computer-implemented method of displaying customizing parameters of an application program, the customizing parameters being stored in database tables, the method comprising: executing the application program; storing a set of results provided by the application program, the set of results including a first result; acquiring trace data during execution of the application program, the trace data comprising a path for each of the results provided by the application program, each path being descriptive of a sequence of database table entries of the database tables holding a sub-set of the customizing parameters used for a calculation of the corresponding result; displaying the results; receiving a user selection of the first result; initializing, in response to the user selection, an index associated with customizing parameters of the first result; retrieving database table entries identified by a path associated with the first result; sequentially incrementing the index and displaying customizing parameters based on the retrieved database table entries; determining whether the user has modified one of the customizing parameters; and updating the database table entries when one of the displayed customized parameters is determined to be modified by the user.