Vertica Blog

Vertica Blog

Analytics

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Data Day Texas: Keep Your Architecture Open and Avoid Mindset Lock-in

Data Day Texas is an event in Austin that was started about nine years ago by an old acquaintance of mine, Lynn Bender, who founded Global DataGeeks. The one big theme that struck me this year as running through the whole conference was the highly cooperative landscape that has developed between proprietary and open source...

Use MERGE to Update 1 Million Rows in 2 Seconds

This blog post was co-authored by Yassine Faihe, Michael Flower, and Moshe Goldberg. Updating One Million Records in Two Seconds To illustrate the true power of MERGE, this article describes how we used MERGE to demonstrate Vertica's performance at scale. SQL MERGE statements combine INSERT and UPDATE operations. They are a great way to update...

Analyze Mismatched Series with Event Series Joins

Event series occur in tables with a time column, most typically a TIMESTAMP data type. In Vertica, you perform an event series join to analyze two series in different tables when their measurement intervals don't align, such as with mismatched timestamps.

The Benefits of Single Node Queries

If your organization deals with low latency, high concurrency applications and queries, you can benefit from having as few nodes as possible involved in each query.

Time Series Analytics: The Hunt for “Missing Link” in Data

Time series analytics is a little-known, but very powerful Vertica tool. In Vertica, the TIMESERIES clause and time series aggregate functions normalize data into time slices. Then they interpolate missing values that fill in the gaps.Using time series analytics is useful when you want to analyze discrete data collected over time, such as stock market...
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The Real-Time Unicorn

In the first of this multi-part series, I?ll address one of the most common myths my colleagues and I have to confront in the Big Data marketplace today: the notion of ?real-time? data visibility. Whether it?s real-time analytics or real-time data, the same misconception always seems to come up. So I figured I?d address this,...