Set appropriate data types to fields including text, numeric (integer, decimal, currency), date/time, Boolean/logical
Validation routines including range check, character check, length check, type check, format check, presence check, check digit
Set appropriate data types to fields including text, numeric (integer, decimal, currency), date/time, Boolean/logical
Validation routines including range check, character check, length check, type check, format check, presence check, check digit