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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 (2024)

“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,

Automatically detect bad SQL. Static and dynamic analysis of SQL code

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,

Optimal Usage of Snowflake Virtual Warehouses: Breaking Down Parallelism & Concurrency

If you aim to harness the full potential of Snowflake's virtual warehouses, it's crucial to grasp how Snowflake datalake architecture handles concurrency and parallelism. Here's a simplified rundown: 🔍 Basics…
Uli Bethke September 29, 2023
SQL Parser,

SQL parser for Databricks. Parsing SQL for table audit logging and much more

This is the fifth article in our series on parsing different SQL dialects. We explored SQL parsing on Snowflake, MS SQL Server, Oracle, and Redshift. in our earlier blog posts.…
Uli Bethke September 29, 2023
SQL Parser,

Parsing SQL queries in Redshift for table and column audit logging

This is the fourth article in our series on parsing SQL in different database technologies and SQL dialects. We explored SQL parsing on Snowflake, MS SQL Server, and Oracle in…
Uli Bethke September 21, 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,

Automatically detect bad SQL. Static and dynamic analysis of SQL code

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
SQL Parser,

Parsing SQL queries in MS SQL Server

This is the third article in our series on parsing SQL in different database technologies and SQL dialects. We explored SQL parsing on Snowflake and then Oracle in our earlier…
Uli Bethke September 4, 2023