Recent Articles

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

UK Open Map Data

UK administrative boundaries and road network The data is organised across two themes. Administrative: This data set contains the polygons for UK administrative boundaries at different levels. It includes the…
Uli Bethke May 8, 2023
Data Marketplace, Data Marketplace,

Airport Codes

Overview Sonra has published a data set for airport codes on the Snowflake marketplace. Airport codes are used to distinguish airports around the world to ensure that there is no…
Uli Bethke December 22, 2022
FlowHigh, FlowHigh,

Improving performance and reducing costs with Materialised Views on Snowflake

What are Materialised Views? Materialised Views are similar to Views. A View is a logical or virtual table representing the result of a query. Each time the View is queried…
Uli Bethke November 18, 2022
XML, XML,

Converting HL7 CDA XML to Snowflake

Overview In this blog post we will automate the conversion process of CDA XML to a relational database format with Flexter . What is Flexter? Flexter converts any XML/JSON to…
Uli Bethke October 18, 2022
FlowHigh, FlowHigh,

How to do full text search with Snowflake, Inverted Indexes and Snowpark

Inverted Index An Inverted Index is a data structure used to support full text search over a set of documents. An inverted index is very similar to an index at…
Uli Bethke September 19, 2022
FlowHigh, FlowHigh,

SQL antipatterns:  SELECT DISTINCT

The DISTINCT operator The DISTINCT operator is used to eliminate duplicates in a resultset, e.g. we can use it to identify the unique number of customers who made a purchase.…
Uli Bethke August 9, 2022