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Once you deploy your Teradata Database, from time to time you need to upgrade or apply patches to the database. You need to download these from the Teradata access portal and, based on your license tiers, Teradata engineering will help you.

There are four license tiers available as of now:

• Developer: With low performance
• Base: With simple and middle-level performance
• Advance: With high-performance workloads and better performance
• Enterprise: With full capability and enterprise-level performance