While creating a Test Data Model (Both Standard & Legacy Find and Reserve Models), CHAR data type is not being supported for DB2/AS400. I believe CHAR is a frequently used data type and support for this is really helpful. We are using CA TDM v 4.6.
Data types supported for New F&R models F&R Data Types
DB2/AS400 is not supported for New F&R models
CHAR is supported for Oracle, MS SQL and DB2 on zOS