'The current version of ERwin that I have is 9.5.2 and it supposedly supports Teradata 13.x/14.x. Starting in TD 13.10, compression on VRCHR(n) is allowed and has been ever since. Teradata is currently on release 15. ERwin has the capability to support compression and value definitions when defining a physical column, however, it restricts that feature to only Numeric, Date, and Fixed length CHR(n) datatypes. The restriction to not allow compression on VRCHR columns needs to be removed.'
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