SQL Interview Question 2024 | Recursive CTE to retrieve the hierarchical structure of employees скачать в хорошем качестве

SQL Interview Question 2024 | Recursive CTE to retrieve the hierarchical structure of employees

In this video, I have discussed how to solve the SQL Interview Questions: Write an SQL query using a recursive CTE to retrieve the hierarchical structure of employees. -- Creating the Employees Table CREATE TABLE Employees ( EmployeeID INT PRIMARY KEY, -- Unique identifier for each employee ManagerID INT NULL, -- This refers to the EmployeeID of the manager (NULL if top-level employee) EmployeeName VARCHAR(100) NOT NULL -- Name of the employee ); -- Inserting Sample Data INSERT INTO Employees (EmployeeID, ManagerID, EmployeeName) VALUES (1, NULL, 'Alice'), (2, 1, 'Bob'), (3, 1, 'Charlie'), (4, 2, 'David'), (5, 2, 'Eve'), (6, 3, 'Frank'), (7, 4, 'Grace'); SQL Interview QnAs Asked in different Companies:    • SQL Interview Questions Asked in Diff...   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 #sqlfordataengineer #jobinterview #technicalinterview #postgresql #deloitte #deloittejobs #capgeminihiring #cognizant #infosys #tcs #genpactjobs #kpmg #mysql #interview #dataengineering #dataanalytics #dataanalysis #capgemini #capgeminijobs #sqlfordataengineer #coding #programming #learningvideos #technical