You write the contents of the current database trace as a binary file under the file name knltrace to the run directory of the database instance.
To be able to read the file, you then need to convert it to a plain-text file (see: trace_prot) and open it using the DBM command file_getfirst
Glossary, Database Trace
You have the server authorization DBInfoRead or DBFileRead.
In the event of errors, see Reply Format.