Vertica Blog

OpenText Vertica 23.3 – the Smarter Data Lakehouse

Posted July 31, 2023 by Paige Roberts, Vertica Open Source Relations Manager

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Unveiling the Most Recent Version of the Vertica Grafana Data Source Plugin

Amrita Akshay, Information Developer
October 12, 2023

With over 380K downloads, the Vertica Grafana Data Source plugin just got an upgrade! The plugin was migrated from the deprecated older Grafana toolkit to align with Grafana's new Create-Plugin tool. This accelerates the plugin development with their modern build set up that requires no additional configuration. Additionally, the Vertica SQL Go driver received an...
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Setting Session Authorization to Troubleshoot

Sruthi Anumula, Senior Database Support Engineer
September 29, 2023

There are possible scenarios in which a dbadmin would want to run queries as another user to troubleshoot or test. You can use SET SESSION AUTHORIZATION to impersonate another user and run queries. Let's understand this with an example. Here we create a user named test, resource pool named userpool, and make this a default...
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Eon Mode Beta Overview in 9.0.1

Soniya Shah, Information Developer
January 16, 2018

This blog post was authored by Soniya Shah. What is Eon Mode Beta? In Vertica 9.0.1, Eon Mode Beta, the separation of compute and storage, continues on Amazon Web Services S3. Eon Mode Beta was introduced in Vertica 9.0 to capitalize on cloud economics, while still enjoying the fast query processing for which Vertica is...

Vertica Quick Tip: Generating a Random Date

Soniya Shah, Information Developer
January 16, 2018

This blog post was authored by Jim Knicely. I can easily generate a random integer value using the Vertica built-in RANDOMINT function. For example: But what if I need a random date? Luckily in Vertica I can create my own SQL function for that! Example

Vertica Test Results for Operating System Patches for Meltdown and Spectre Security Flaws

Sarah Lemaire, Manager, Vertica Documentation
January 11, 2018

For the latest Vertica update on the Meltdown and Spectre security flaws, read this blog: UPDATED: Vertica Test Results with Microcode Patches for the Meltdown and Spectre Security Flaws, published May 21, 2018. Vertica engineers have run performance tests using the operating system patches for the Meltdown and Spectre security flaws. Based on the results,...

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Vertica Quick Tip: The LIMIT Analytic Function

Soniya Shah, Information Developer
January 11, 2018

This blog post was authored by Jim Knicely. Vertica contains an abundance of built-in SQL analytic functions. One of the lesser known but also one of the coolest is the LIMIT analytic function. Example Say I have the following table data: But I only want to see the latest test number for each date. For...

Vertica Quick Tip: How to Query for NaN Values

Soniya Shah, Information Developer
January 10, 2018

This blog post was authored by Jim Knicely. We're introducing a new series: Vertica Quick Tips! These tips are intended to give you concise information to help you get the most out of using Vertica. NaN (Not a Number) does not equal anything, not even another NaN. You can query for them using the predicate...

What’s New in Vertica 9.0.1: Machine Learning

Soniya Shah, Information Developer
January 9, 2018

This blog post was authored by Soniya Shah. Vertica 9.0.1 introduces new functionality that continues to match our goals for fast-paced development and enhancement of machine learning in Vertica. In this release, we introduce support for random forest for regression, a new statistical summary function, increased support for cross validation, and enhancements for data evaluation....

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IMPORTANT: What you need to know about hardware security flaws

Soniya Shah, Information Developer
January 4, 2018

Vertica is aware of potential chip-level security flaws in recently discovered hardware bugs. Operating system vendors have developed patches to address these problems. Installing the patches could impact application performance. Vertica engineers are actively investigating how these patches might affect Vertica performance and will keep our customers informed. There is much speculation about the impact...

Authentication Methods for dbadmin

Soniya Shah, Information Developer
January 3, 2018

This blog post was authored by Sumeet Keswani. In Vertica, when you create a new database, there are no configured authentication methods. In this case, Vertica assumes that all users, including the dbadmin, have an implicit password authentication. Users can use this authentication method both for authenticating over a network interface and for over a...
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DataGals Year in Review

Soniya Shah, Information Developer
December 22, 2017

The DataGals had an amazing 2017! Everyone on our steering committee - Lisa Donaghue, Styliani Pantela, Soniya Shah, Diem Tran, and Sharada Vesta would like to wish you a very happy new year! Check out our year in review below. We look forward to a successful 2018. Happy holidays from the DataGals!

What’s New in Vertica 9.0.1?

Soniya Shah, Information Developer
December 21, 2017

This blog post was authored by Soniya Shah. In Vertica 9.0.1, we introduce new functionality including: • Eon Mode Beta Updates • Supported Platform Updates • Machine Learning Enhancements • Support for Ranger Integration • Security Enhancements • Backup, Restore and Recovery Updates Eon Mode Beta Updates In Vertica 9.0, we introduced Eon Mode Beta,...
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External data is easier to manage than the Hadoop Stack

Soniya Shah, Information Developer
December 19, 2017

This blog post was authored by Steve Sarsfield. It has been a thrilling ride. In a few short years, Hadoop has seen astronomical rise, but recently, interest in Hadoop has peaked. Analysts like Gartner and Datanami are reporting that the hype in Hadoop is waning, with some hope that use cases for Hadoop will find...
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Vertica in the Clouds

Soniya Shah, Information Developer
December 18, 2017

This blog post was authored by Soniya Shah. The benefits of using cloud computing and storage are virtually endless. You can scale services up or down to fit your needs, customize applications, and access cloud services from everywhere. Using the cloud makes it easy to scale elastically and makes infrastructure both affordable and flexible. With...