How to use JDBC FastExport with R
The following shows how to select rows from a database table using JDBC FastExport, which only works with JDBC PreparedStatement.If the SELECT statement has no'?' parameter markers, then... drv =...
View ArticleHow to avoid duplicate JDBC Connection created by RJDBC dbConnect
The implementation of dbConnect in RJDBC version 0.2-2 and earlier (http://www.rforge.net/RJDBC/news.html) erroneously creates two (duplicate) connections.RJDBC dbDisconnect only closes one of the two...
View ArticleTest using embedded SQL
Short teaser: TEST - Embedded SQL (Andreas)<p>test</p><p><!--break--></p><p>testing</p><pre class="brush:perl;">drv =...
View ArticleHow to capture JDBC Connection parameter LOG=DEBUG messages with R
JDBC Connection parameter LOG=DEBUG prints error, timing, informational, and debug messages to Java System.out. The following shows how the messages can be captured with R.R can be started with several...
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The Future of Big Data: the Answer is Not “42”
Cover Image: “42” is the Answer to the Ultimate Question of Life, the Universe, and Everything. But for Big Data, the answer is simply “everything.” As we progress with our gadgets and sensors, we...
View ArticleHow to capture chained JDBC SQLException error messages and stack trace with R
The following batches 5 rows of data, 2 of them with errors. The JDBC PreparedStatement.executeBatch attempts to INSERT the batched rows into a database table but throws a JDBC SQLException. Here is...
View ArticleHow to capture chained JDBC FastLoad SQLException/SQLWarning messages and...
The following batches 5 rows of data, 2 of them with errors. The JDBC FastLoad PreparedStatement.executeBatch attempts to INSERT the batched rows into a database table but throws a JDBC SQLException....
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Column compress values from statistics
Short teaser: Get multi value compression out of column statistics for freeCover Image: Besides collecting statistics on your columns on your Teradata database, the compressing of the data to save...
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Determining Precedence Among TASM Planned Environments
Most Teradata systems support different processing windows, each which has a somewhat different set of business priorities. From 8 AM to 12 noon the most important work may be the Dashboard...
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Ordered Analytical Functions: Translating SQL Functions to Set SQL
Short teaser: Porting stored procedures that contain functions to TeradataCover Image: Many experienced SQL and procedure developers use SQL functions to perform common tasks and simplify their code...
View Article.NET Data Provider for Teradata supports Visual Studio 2012 and 2013
.NET Data Provider for Teradata version 14.11.0.1 (or above) supports integration with Visual Studio 2012 and Visual Studio 2013. This exposes the .NET Data Provider for Teradata objects necessary for...
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Statistics Threshold Functionality 101
An earlier blog post focused on simple steps to get started using the Teradata 14.10 Automated Statistics Management (AutoStats) feature. One of the new capabilities that AutoStats relies on when it...
View ArticleFilter on descriptive text, without date lookup.
Translating descriptive dates, like last-week, with in line SQL code to achieve Partition elimination.One frequently used feature of BI tools is to present drop-down lists of values. The purpose is to...
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Teradata Analytics for SAP Solutions Demo Video
Short teaser: Want to improve your SAP analytics capability? Teradata Analytics for SAP Solutions unlocks SAP dataCover Image: Learn how to unlock data in SAP® Enterprise Resource Planning (ERP)...
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How Resources are Shared in the SLES 11 Priority Scheduler
The SLES 11 priority scheduler implements priorities and assigns resources to workloads based on a tree structure. The priority administrator defines workloads in Viewpoint Workload Designer and...
View ArticleBig Data and Social Media: a Threatened Future?
Short teaser: A couple of recent articles in Wired got me thinking about just how social media services, and thus the value of the big data that they create, could be under threat from their own...
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Expediting Express Requests
Cover Image: If I told you there was a way you might be able to speed up parsing time for your queries, would you be interested? In Teradata Database 14.10.02 there is a new capability that allows you...
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Don’t confuse SLES11 Virtual Partitions with SLES10 Resource Partitions
Cover Image: Because they look like just another group of workloads, you might think that SLES11 virtual partitions are the same as SLES10 resource partitions. I’m here to tell you that is not the...
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Government Black Swans
Cover Image: This blog concentrates on the expected unexpected external factors that can have a (negative) impact on your organizations’ Integrated Data Warehouse (IDW). The current discussions around...
View ArticleIn-Lining of LOBs in .NET Data Provider for Teradata 15.0
This will be part 1 of a multi-part blog about how the .NET Data Provider for Teradata 15.0 can now In-Line Large Objects (LOB) that are sent to a Teradata Database when executing an INSERT or UPDATE...
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