Recent Articles

All Data Marketplace Flexter FlowHigh JSON Snowflake XML
JSON, JSON, Snowflake,

Snowflake vs. Redshift – Support for Handling JSON

ANSI SQL 2016 introduced support for querying JSON data directly from SQL. This is a common use case nowadays. JSON is everywhere in web based applications, IOT, NoSQL databases, and…
Uli Bethke June 22, 2021
JSON, JSON,

Converting Trello JSON to Redshift

In this blog post we will show case Flexter, Sonra’s data warehouse automation solution for complex XML and JSON documents. We will process Trello JSON for this showcase.Flexter is a…
Uli Bethke April 26, 2019
Redshift,

Why is concurrency overrated to measure performance of data warehouse platforms?

The difference between making a good and a bad decisions often comes down to the quality of the pre-defined metrics. If the metric is poor so will be the decision.…
Uli Bethke January 11, 2018
Data Warehouse,

Comparing Window Function Features by Database Vendors

We will round off the series on window functions with comparison of what database vendors offer. There are various mutations of window functions and every vendor supports a different subset…
Jiří Mauritz September 15, 2017