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
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
JSON,

JSON to SQL & Database – Load, Query, Convert (Guide)

If you work with databases today, you’ve almost certainly come across the JSON data format. It powers everything from API integrations to event streams and user data, and it’s no…
Uli Bethke October 23, 2025
Data Pipeline,

How to Use the Flexter Online to Convert Your JSON to CSV and TSV

In this guide, I’ll walk you through Flexter Online: a free JSON to CSV/TSV converter that delivers professional-grade data transformation directly in your browser. Keep reading if you are looking…
Uli Bethke September 16, 2025
Data Pipeline,

How to Use the Flexter Online JSON to Snowflake Converter

Convert deeply nested JSON to a Snowflake, completely free and without writing a single line of code. Sounds too good to be true? With Flexter Online, it isn’t. In this…
Uli Bethke September 16, 2025
Data Lineage,

Master Snowflake Data Lineage – Features, Tools & Tips

What is Snowflake data lineage? Imagine you’ve just touched down in a bustling, unfamiliar city you’re eager to explore. You step outside your hotel and realise you have no idea…
Uli Bethke September 2, 2025
XML,

XML to Excel – Complete Guide to Convert & Import Files

Converting XML to Excel shouldn’t feel like solving a Rubik’s cube blindfolded. But if you’ve ever tried it, you know it can feel that way. Excel does support XML, but…
Maciek June 17, 2025