Explore articles, tips, and insights on SQL queries, database development, and data engineering workflows
The 10 SQL query patterns every developer needs: SELECT, JOINs, GROUP BY, CTEs, window functions, and more. With real examples and performance tips.
ChatGPT generates SQL, but it doesn't know your schema, can't optimize for your indexes, and gets NULL handling wrong. Here's what AI still can't do with SQL.
10+ SQL window function practice problems with full solutions. ROW_NUMBER, LAG/LEAD, sessionization, running totals, gaps — advanced patterns only.
A structured 30-day SQL crash course for beginners and job seekers. Learn SQL from SELECT basics to window functions, CTEs, and interview prep — with practice.
How AI engineers use SQL to query vector databases, extract LLM outputs, and build ML feature pipelines. With pgvector, BigQuery, and dbt examples.
SQL is more valuable than ever in the LLM era. Here's why data professionals still need SQL even with AI tools like ChatGPT and Copilot.
50+ SQL interview questions with answers for 2026. Covers window functions, CTEs, query optimization, and strategies for junior-to-senior SQL roles.
A practical guide to using ChatGPT, Claude, and Copilot for SQL in 2026. How to prompt, what to verify, and when not to trust AI-generated queries.