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Blog
The best minds from Teradata, our partners, and customers blog about whatever takes their fancy.


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This posting explains what Teradata workload management system throttle enforcement options are, and the consequences of using them.

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Teradata is a message passing system.  Messages are sent from parsing engines to AMPs, and from  AMPs to AMPs, and from AMPs to parsing engines.  That’s the key way that components in a shared nothing architecture pass data and work requests among themselves.When a message arrives Read more...

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Tactical workload exceptions are in place to prevent tactical queries from consuming unreasonable amounts of resources.  It is important to have this protection because the super-priority and almost unlimited access to resources given to work running in the Tactical tier with SLES Read more...

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Have you ever found yourself confused when setting up classification criteria for a new workload in Teradata?  You’re not alone.  This posting discusses the main principles at work when it comes to combining different classification criteria.  It also provides some general tips to Read more...

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Every so often, the Teradata JDBC Driver Engineering team is asked about Teradata Database Error 5766 "The Locator is invalid because the response spool has been dropped." Why does it happen? How can it be avoided?

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  1 Introduction   This document is a high-level tutorial that describes how to connect to Teradata Database using ODBC Driver for Teradata from the Perl scripting language. Scripting languages are quickly becoming a common language for the implementation in many areas, especially, Read more...

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      1 Introduction   This document is a high-level tutorial that describes how to connect to Teradata Database using ODBC Driver for Teradata using R. Scripting languages are quickly becoming a common language for the implementation in many areas, especially, where the Read more...

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  1 Introduction This document is a high-level tutorial that describes how to connect to Teradata Database using ODBC Driver for Teradata from scripting language such as Python. Scripting languages are quickly becoming a common language for the implementation in many areas, especially, Read more...

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  1 Introduction   This document is a high-level tutorial that describes how to connect to Teradata Database using ODBC Driver for Teradata from various scripting languages such as Perl, Python and PHP. Scripting languages are quickly becoming a common language for the implementation Read more...

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Traditionally, query optimizers depend on information available at optimization time such as statistics, cost parameters, predicate values, and resource availability in order to perform query transformations and optimization. The final plan, referred to as a static plan, for a request Read more...