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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 (2026)

“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,
A technical graphic illustrating how to convert ISO 20022 XML messages and schemas into a relational database.

How to Convert ISO 20022 XML to a Relational Database

ISO 20022 XML solves the financial messaging problem. It does not solve your data engineering problem. Can your systems send, receive, and validate a pain.001 or pacs.008 message? Good. Can…
Uli Bethke May 18, 2026
XML,

How to Convert ACORD XML to a Database (2026)

ACORD XML is supposed to make insurance data exchange easier. And in a narrow system-to-system sense, it does. But the moment you try to query it, flatten it, or load…
Maciek April 20, 2026
XML,

XML to XSD – Generate XSD from XML Files (2026 Guide)

Converting XML to XSD sounds like one of those “five minutes, tops” tasks. You have the XML. You generate the schema. You move on with your life. In practice, it’s…
Maciek March 12, 2026
Data Pipeline,

Flexter Benefits

In today’s data-driven landscape, the speed at which you can move from raw data to actionable insight determines your competitive edge. Yet, for many enterprises, hierarchical data formats like XML…
Uli Bethke March 10, 2026
JSON,

Databricks JSON Guide – Read, Parse, Query & Flatten Data

JSON and Databricks should work smoothly together. They don’t. Yes, Databricks can parse simple JSON files. It can also partially infer their schemas and process them in large chunks. But…
Uli Bethke February 23, 2026
Data Pipeline,

How to Store & Load JSON in Snowflake (File Format Guide)

If you’re working with data today, your pipelines are almost certainly pumping JSON. From API payloads to IoT event streams and microservice logs, JSON is the lingua franca of modern…
Uli Bethke November 26, 2025