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I just observed that the tables in DBC are exactly the same in Teradata V15.10 and Teradata V15. I can see that all the new features of Teradata V15.10, requiring changes in DBC tables are already accomodated in the V15 DBC tables. Just need a confirmation, if this is correct? 

I have been unable to read JSON data from a flat file into Teradata v15. Here is my setup.