Apache Druid
Mar 16, 2022
How-to Half-hour: Using Multi-value Dimensions in Apache Druid
It can be challenging to model 1-to-n data relationships in Druid. If you’ve tried, you probably did tons of JOIN operations to build an array. Did you know that with multi-value dimensions you can filter and group complex data quickly and easily?
In this webinar you will:
- Learn the basics of multi-value dimensions and when they are useful
- Get a step-by-step guide to setting up registered lists of data as multi-value string dimensions
- See how a major telecommunications provider is using multi-value dimensions to analyze complex data