For these questions, assume the following tables exist: employees (employee_id, first_name, last_name, email, hire_date, salary, department_id, manager_id) departments (department_id, department_name, ...
This repository contains structured SQL notes, practice queries, and interview questions. Covers DDL, DML, Joins, Subqueries, Constraints, Views, and more. Ideal for beginners, students, and ...
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