streamingcolumn_derby.properties

derby database source code.good for you.

derby.storage.sortBufferMax=5
derby.debug.true=testSort

derby.drda.debug=true
derby.drda.traceAll=true
derby.stream.error.logSeverityLevel=0
#derby.language.logStatementText=true - this masks exceptions - DERBY595
derby.infolog.append=true