Having database knowledge of ADABAS, VSAM and SQL is a must. While the target system is unknown at this stage, the purpose of data cleansing is to prepare existing legacy data for conversion to a new system and speed up the process of data mapping.
Conversion typically consists of many steps including cleansing, mapping, extraction, transformation, and load into the target system.
Data conversion is a critical piece of any modernization project.
Agency can proactively approach data conversion by first identifying potential anomalies in the data and cleansing to ensure the data is ready for the larger data conversion process.