To use TDM to subset and mask VSAM files these steps can be used:
- Use CA module “File Master” or other products to:
- Review database contents & structure
- Export copybook
- Use TDM module “File Definition Manager” to
- Review copybook(s)
- Enter definitions (headers, date formats)
- Generate “Advanced Format Language output (structure for Datamaker & Mainframe modules)
- Use TDM module “DataMaker” to
- Register AFL file
- Specify Masking Rules
- Export to Definition file for upload to Mainframe
A WHERE clause can be used to restrict the records to subset or mask:
For example:
WHERE "CUST_ID < '0000200'
How to specify a large set of random keys that could be more than 10k.