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

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Earlier this year I posited that, due to the exponential rate of growth, the amount of data collected for analysis is becoming beyond the scope of the current analytical staffs to examine it all.  And that the answer to growing the cumulative brain power necessary for this exponential Read more...

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 You may want to skip over this posting. Unless you’re curious about some of the more obscure workload classification conventions used by TASM and TIWM.In a previous blog posting titled “A New, Simplified Approach to Parsing Workload Selection”  I explained how a session workload Read more...

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