What is the biggest difference between Teradata and VMware Tanzu Greenplum?

I am doing research on the comparison between Teradata and Greenplum for helping customers (bankers) migrate from TD to GP.

What are the advantages and disadvantages of Greenplum? What can Teradata do that Greenplum can't? Can these differences be accomplished by another tool?

Thanks! I appreciate the help. 

Find out what your peers are saying about Teradata vs. VMware Tanzu Greenplum and other solutions. Updated: November 2020.
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