PostgreSQL subqueries allow one SQL query to run inside another, making it possible to solve filtering, aggregation, ...

Five system table queries to track Databricks spend — by product, warehouse, and team, with anomaly detection and AI ...

PostgreSQL CASE statements make it possible to add conditional logic directly into SQL queries, working similarly to IF ELSE statements in programming languages and spreadsheet tools. This tutorial ...

Let's break down when it's ideal to use the NOLOCK hint and when you should never use it. As a consultant, I work on wide swaths of database systems, which means I get to see many, many SQL statements ...

When working as an engineer, you will surprisingly often have opportunities to interact with databases. From application ...

A common SQL habit is to use SELECT * on a query, because it’s tedious to list all the columns you need. Plus, sometimes those columns may change over time, so why not just do things the easy way? But ...

I've been playing around with the new Microsoft service, currently in preview and it's time to show off what it can do. Have you ever struggled with a database performance problem or ever struggled to ...