- NONE
 Turns off all preceding logging levels.
- CONNECTION
 Turns on logging of connection information such
as the time of the connection, the client IP address, and the name
of the database.
- IN
 Turns on logging of input information coming from
the client.
- INHEX
 Turns on logging of the hexadecimal dump of the
input information coming from the client.
- OUT
 Turns on logging of output information being sent
back to the client.
- OUTHEX
 Turns on logging of the hexadecimal dump of the output
information being sent back to the client.
- INFO
 Turns on logging of miscellaneous information about the
processing of the server. This has the potential to log a fair amount
of data, which may affect performance.
- TIMESTAMP
 This causes each log entry to be prefaced by a timestamp
of the form HH:MM:SS.mmm.
- WARNING
 Turns on logging of warning messages generated by
the Server.
- ERROR
 Turns on logging of error messages generated by
the Server.
- FATAL
 This is the same as specifying INFO, WARNING, and ERROR.
- DEBUG
 Turns on logging of a lot of debugging messages.
This should only be done at the request of support personnel. This
generates a large amount of logging information and can severely
affect performance.