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...

Limiting a User’s Open Session Count: Quick Tip

Sarah Lemaire, Manager, Vertica Documentation
June 27, 2018

Jim Knicely authored this tip. By default, a user can have an unlimited number of connections across the database cluster. Type: \h or \? for help with vsql commands \g or terminate with semicolon to execute query \q to quit jim=> \! vsql -U jim -w 'pw' Welcome to vsql, the Vertica Analytic Database interactive...

NULL Equals NULL with NULLSEQUAL: Quick Tip

Sarah Lemaire, Manager, Vertica Documentation
June 27, 2018

Jim Knicely authored this tip. The Vertica CASE expression is a generic conditional expression that can be used wherever an expression is valid. It is similar to case and if/then/else statements in other languages. What if we are comparing a NULL with a NULL? Remember that in Vertica, a NULL can never equal anything. But...