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Best Practices

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Vertica Big Data Conference 2020 – Are You Excited Yet?

The Vertica Big Data Conference (BDC) clock is ticking and my excitement is growing by the minute! I want to make sure that our Vertica community is up to date on the latest news, especially some of the General Session speakers and Breakout tracks. And let’s not forget one of the most special components of...
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DIRECT Is Now the Default Load Type

Write Optimized Store (WOS) is a memory-resident data structure for short-term data storage while Read Optimized Store (ROS) is a highly optimized, read-oriented, disk storage structure, organized by projection. Prior to Vertica 9.3, by default, Vertica initially loads data into WOS. For databases created in version 9.3 and later, Vertica now uses a default load...
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Datadog Announces Integration with Vertica to Monitor Performance and Availability

Datadog helps customers ensure high performance and availability of their applications by providing visibility into the full application stack: infrastructure, middleware, and applications. They have achieved this by building a robust set of turn-key integrations that include SaaS and Cloud solutions, automation tools, databases and server components, and many more. Now, they have announced integration...

Vertica Big Data Conference Registration is Open!

We’re excited to announce that registration is live for the next Vertica Big Data Conference (BDC), held March 30 – April 2, 2020, at the Encore Boston Harbor Hotel. Don’t miss out on the early bird pricing rate of $695 (a $300 savings), along with buy 3 get 1 free group discounts!   What is...
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The Vertica Academy Is Open for Learning

One of the greatest impacts from digital transformation, both from a personal and professional point of view, is not just the democratization of data - a very popular topic here at Vertica! - but the democratization of knowledge. Today, we are excited to announce the new Vertica Academy, a platform that offers self-paced, technical training...
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2 – How to Calculate a Correlation Matrix – Data Exploration for Machine Learning

In the first machine learning in a database post, we discussed some of the reasons why it makes sense to do your machine learning data analytics inside the database. This will be the first post where we discuss some of the steps involved in the in-database machine learning workflow. Generally, the first thing you need...
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Load Data Enclosed By and Embedded With Double Quotes

Loading string data that is enclosed in double quotes where the string also contains double quotes can be problematic. We could alter the data so that it includes an escape character prior to each embedded double quote, but maybe that’s not possible. Another solution would be to use a FILLER to load the data then...
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Strong Winds of Change at Chief Data & Analytics Officers Event

Last week, Vertica sponsored the Chief Data & Analytics Officer event in Chicago. As a first-time sponsor, we were cautiously optimistic that we could meet with data and analytics leaders that were, according to event organizer IQPC, “…on the forefront of capitalizing on data and analytics in the enterprise as the volume, availability, and complexity...
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Evaluating Classifier Models in Vertica

Co-authored by Elizabeth Michaud Vertica provides an out-of-the box machine learning toolset that covers a complete data science workflow. The toolset includes several distributed functions for evaluating both classifier and regressor machine learning models. The goal of this blog post is to demonstrate how you can use the built-in functions for evaluating the prediction performance...
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Announcing Vertica Version 9.2.1 – Take Analytics Efficiency to the Next Level

This week, some very cool things have gone into the newest version of the Vertica Analytics Platform that make your analytics fly and save on your AWS budget. The theme for this release is Improving Vertica in Eon Mode Integration with Amazon S3, and there are a whole bunch of new features designed to do...

Accept the EULA When Installing Vertica

After installing Vertica, you have to ACCEPT the EULA the first time you start admintools on any Vertica node. To avoid having to do that, you can accept the EULA during the install using the --accept-eula or –Y option! Example: Helpful Links: https://www.vertica.com/docs/latest/HTML/Content/Authoring/InstallationGuide/InstallingVertica/InstallVerticaScript.htm https://www.vertica.com/docs/latest/HTML/Content/Authoring/InstallationGuide/InstallingVertica/InstallingVerticaSilently.htm Have fun!

Using sed to Handle Empty String NULL Values Enclosed in Control Characters

You can load data files into a Vertica table using the COPY command. Your data can be delimited and separated by control characters. Unfortunately if you also enclose NULL values as an empty string, you might run into a data cast issue. Example: One work around is to clean up the source file using the...