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Determining the Optimal Pack Factor for a TPT Stream Operator Job

Do you want to have your Teradata Parallel Transporter (Teradata PT) Stream operator jobs run faster? Are you having difficulty determining the optimal pack factor for your Stream operator jobs?...

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A Structured Method for Tuning Teradata SQL

SQL performance is vital for driving value from a data warehouse...Audience:  Data Warehouse Administrator; Data Warehouse Application Specialist; Data Warehouse Architect/ Designer; Data Warehouse...

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Performance issue with Teradata Express for VMware Player

  Hi ALL, I am  new  to Teradata so sorry if my questions seem trivial and obvious for you.read more

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Selecting the right operator to use for your TPT job

Teradata Parallel Transporter (Teradata PT) has fourteen different operators. Each behaves differently. This article provides a table to help you in selecting the right operator to use for your...

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Teradata TPump dynamic buffer filling

TPump has been enhanced to dynamically determine the PACK factor and fill up data buffer if there is variable-length data. This feature is available in Teradata TPump 13.00.00.009, 13.10.00.007,...

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performance of two columns

Hi, could you please let me know whether there will be any difference in performance between the following two queries. As i don't have any internal knowledge about sql, i have this doubt. table A:...

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JDBC DatabaseMetadata.getColumns Seems Slow

When I call ResultSet rs = dbmd.getColumns(null, "CUSTDATA", "TRANS", null); it takes 16 seconds to get an answer back on a fairly unloaded system.  This table has 27 columns.  This seems to be...

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SQL*Plus spool to Fastload via named pipe (Windows) is barely faster than by...

I've got Fastload opening a named pipe, and I'm redirecting the output from a SQL*Plus script to the pipe in Windows. I assumed this would be far faster than allowing SQL*Plus to spool the result to a...

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How TD Analytical Functions Are Implemented?

Hi everybody,Could anybody tell me how TD analytical functions are implemented under the hub?It is obvious, after running some basic tests, that they are not using the standard Teradata aggregation...

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Does COMPRESS help performance?

Does Sql have better performance if columns have COMPRESS? If so how does COMPRESS help the performance? Is it because of lesser Spool space?

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