Top Articles

Data Lineage,

SQL Visualisation Guide – Query Diagrams, Lineage & ERD

Have you ever inherited the SQL codebase from someone else where it is in a “bit of a mess”? 😁 Sound familiar? Most data engineers and SQL developers have been there including myself—staring at a spaghetti-like web of queries, trying to untangle a chaotic SQL codebase. It’s a common nightmare. Traditionally, you had to fight …
Uli Bethke November 3, 2024
SQL,

SQL Challenge: Tackling the Island Problem in Time Series Data

Jump into our SQL Challenge! Today, we're exploring customer loyalty trends. Are you prepared to show off your SQL skills? About the quiz In this SQL pop quiz, we're challenging…
Uli Bethke November 7, 2023
XML,

XML Converters & Conversion – Ultimate Guide (2025)

“Urgent XML Conversion Project – Need by End of Week”. “Just Convert this XML to SQL Tables. Should be Simple!” Sound familiar?  From my experience, XML conversion projects follow the…
Maciek October 4, 2023
Snowflake,

7 guardrails against common mistakes that inflate Snowflake credit usage 

Dodge costly pitfalls Snowflake implementation has pioneered dozens of innovations in the data platform space. The long list includes separation of compute and storage, physical workload separation, data sharing, data…
Uli Bethke September 13, 2023
SQL,

Detect Bad SQL with Static & Dynamic Code Analysis – A Guide

Preventing Query Catastrophe with FlowHigh SQL Analyser Does the following sound familiar? As the wizard EsQuEl delved deep into the SQL code, he stumbled upon multiple instances where tables were…
Uli Bethke September 8, 2023

Recent Articles

All JSON Snowflake XML
Snowflake, Snowflake,

Reverse Geocoding on Snowflake

In this blog post we will show how you can use OpenStreetMap data from the Snowflake data marketplace and the geospatial feature in the Snowflake data platform to reverse geocode…
Uli Bethke December 24, 2020
Snowflake, Data Marketplace, Snowflake,

The Data Marketplace. A missing piece in modern data architecture

What is a Data Marketplace? Data Marketplaces are a relatively recent phenomenon in data management. They bring together providers and buyers of data. Organisations were able to buy data from…
Uli Bethke December 16, 2020
Snowflake, Snowflake,

Location analytics and geospatial data on Snowflake

What is Geospatial / GIS data? Geospatial data and location analytics Geospatial Data can be defined as data with a geographic component, e.g. Address, ZipCode, latitude / longitude etc. These…
Uli Bethke December 9, 2020
Snowflake, Snowflake, XML,

Video: Converting FpML XML to Snowflake

https://youtu.be/8l3G-xdMQcU
Maciek October 23, 2020
Snowflake, Data Marketplace,

UK Census Data

Each table provides information about a single census topic like sex, dwellings, hours worked etc. Data present in the table is at the census ward level. Electoral Wards are key…
Uli Bethke October 13, 2020
XML, XML,

ecobee chooses Flexter to make valuable IoT data in XML accessible to BigQuery users for analytics

The challenge A world leader in smart home devices that introduced the world’s first smart thermostat, ecobee has expanded rapidly in the last decade. Naturally, with company growth has come…
Maciek October 5, 2020