A Control File is generated by the Insert Process to record details about the success or failure of processing each row in the Extract File. You must specify the name of a Control File when you create a request to Insert data.
The Control File also makes it easy to distinguish among different process requests that use the same Extract File. If a path is not specified, Control Files are stored in the data directory specified in Personal Options. For details on specifying the data directory and other Personal Options, see the Common Elements Manual.
You can browse the Control File to identify problems with a process, such as rows in the Extract File that failed to process or the cause of an unexpected termination. Diagnostics accompany the discarded rows to identify why they were not processed. For details on the Browse Utility, see the Common Elements Manual.