Reference for Oracle GoldenGate Oracle GoldenGate Classic Architecture Collector Parameters -R -R Replaces invalid numeric ASCII data with an alternate value. Syntax-R value R Must be upper case. value The replacement value. The default is to replace with 0. Specify one of the following alternate values: number Replaces invalid data with the specified number. NULL Replaces invalid data with NULL if the target column accepts NULL values. Otherwise, replaces with 0. UNPRINTABLE Rejects any column with unprintable data. The process stops and reports the bad value.