🕵️ SQL Murder Mystery: Who Killed the CEO? Capstone Project – 21-Day SQL With IDC Challenge Welcome to my investigation into the mysterious death of the CEO of TechNova Inc., solved entirely using ...
Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
Hello there! 👋 I'm Luca, a BI Developer with a passion for all things data, Proficient in Python, SQL and Power BI ...
This tutorial will guide you through the process of using SQL databases with Python, focusing on MySQL as the database management system. You will learn how to set up your environment, connect to a ...
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 ...
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 ...
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