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
XML, XML,

Ultimate Guide to Parsing XML to Google BigQuery (2025)

While XML is frequently considered a legacy file format it is still widely used as part of industry data standards such as HL7 or ACORD. Another use case is for…
Maciek June 22, 2021
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
Data Warehouse, Snowflake,

Using Virtual Data Marts the right way

Virtual data marts can be a useful design pattern but there are a few things you should know before you use them. Virtual data marts are logical views dimensionally modelled…
Uli Bethke May 26, 2021
Snowflake, Data Marketplace,

Location analytics on Snowflake with OpenStreetMap, US property data, and our ready made Geography Dimension

We have made available a ready made Geography Dimension on the Snowflake Data Marketplace. The marketplace is one of the components of the Snowflake Data Cloud. It covers the first to…
Uli Bethke February 19, 2021
XML, XML,

The 6 Factors You Need to Get Right to Make Your XML Conversion Project a Success

A successful XML conversion project makes data: Intelligible Readable, and Analysable Achieve that and decisions can be made quickly on accurate and reliable data. Unfortunately, many projects fail because of…
Maciek February 18, 2021
Snowflake, Snowflake,

Guide to Geography Dimension on the Snowflake Marketplace

We’ve published a universal Geography Dimension on the Snowflake Data Marketplace! This dataset makes it easy to enhance your in-house data with detailed location information. Whether you’re performing location lookups…
Uli Bethke February 3, 2021