SQL is that one skill you don’t fully value until you’re sitting in a tech interview, staring at a tricky query with multiple joins and conditions. For most data roles — and even for many backend/SDE ...

Nobody talks about what it actually takes to learn SQL. 🔥 Not the certificates. Not the course completions. The actual process of sitting down, writing a query, watching it break, and figuring out ...

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 ...

Through the many changes in IT over the years, one constant has always been a concern for performance. With database systems there is especially true. Even with the many advances in relational ...

A collection of my work and practice files from Harvard’s CS50 SQL course, covering the fundamentals and advanced concepts of databases, queries, and data design.

CData, the company making it easy to connect, integrate, and automate enterprise data, is introducing a new capability for CData Connect Cloud, a cloud data solution that provides governed access to ...