Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Prevent AI-generated tech debt with Skeleton ...

Organizations are using generative AI to stay ahead of the competition, but the real advantage lies in harnessing the power of your own data securely and at scale. One of the most exciting new ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

nested SELECT statement(s) first. -- Self-contained subquery returns 3-row column of results. -- Outer query checks each Production.Products.supplierid value to see if it's -- in the result set.

SubQuery has launched their new AI App Framework, designed to enable future growth of Agentic AI in a decentralised way and solve challenges posed by centralised alternatives. Whether you’re a ...

Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...

SQL is the de facto query language used to interact with databases. Since SQL is declarative, users express the intended result of their query rather than the concrete procedural steps to produce the ...

Leadership is about much more than issuing orders or delegating tasks. One of your most essential roles as a leader is to serve as a role model. Your team is constantly observing how you conduct ...

1️) Scalar Subquery in SELECT: SELECT e.emp_id, e.emp_name, e.salary, (SELECT ROUND(AVG(salary), 2) FROM employees WHERE dept_id = e.dept_id) AS dept_avg_salary FROM employees e; 2️) Correlated ...