SQL Interview Question 2025 | Employee Hierarchy | Recursive CTE for Organizational Structure" скачать в хорошем качестве

SQL Interview Question 2025 | Employee Hierarchy | Recursive CTE for Organizational Structure"

In this video, I have discussed how to solve the SQL Interview Questions: "Write a SQL query to display the entire employee reporting hierarchy using a recursive CTE, showing each employee's level in the hierarchy." -- Create an Employee Table CREATE TABLE employees ( id SERIAL PRIMARY KEY, name VARCHAR(50), designation VARCHAR(50), manager_id INT REFERENCES employees(id) ON DELETE SET NULL ); -- Insert Data INSERT INTO employees (name, designation, manager_id) VALUES ('Alice', 'CEO', NULL), ('Bob', 'CTO', 1), ('Charlie', 'CFO', 1), ('David', 'Engineering Manager', 2), ('Eve', 'Finance Manager', 3), ('Frank', 'Software Engineer', 4), ('Grace', 'Software Engineer', 4), ('Hannah', 'Accountant', 5); SQL Interview QnAs Asked in different Companies:    • SQL Interview Questions Asked in Different...   PySpark Basic to Advance:    • PySpark Tutorial   Resume Building and Interview Preps:    • Resume Building and Interview Preps   ***Join our Telegram Group for regular updates on Jobs and Data Science materials: https://t.me/datasciencecorner 🔥 https://t.me/datasciencecorner 🔥 Instagram: https://bit.ly/3LKnSmw 🔥 https://bit.ly/3LKnSmw 🔥 LinkedIn:   / data.  . 🔥   / data.  . 🔥 #sql #postgresql #deloitte #deloittejobs #capgeminihiring #cognizant #infosys #tcs #genpactjobs #mysql #interview #dataengineering #dataanalytics #dataanalysis #capgemini #capgeminijobs #sqlfordataengineer #jobinterview #coding #programming #technicalinterview