AMP Worker Tasks
Attend this live event to get the most current recommendations on managing AMP Worker Tasks in your platform.Audience: Data Warehouse Administrator, Data Warehouse Application Specialist, Data...
View ArticleDetermining 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?...
View ArticleA 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...
View ArticlePerformance 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
View ArticleSelecting 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...
View ArticleTeradata 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,...
View Articleperformance 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:...
View ArticleJDBC 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...
View ArticleSQL*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...
View ArticleHow 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...
View ArticleDoes 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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