SQL Tutorial 14: Inner, Left, Right, Full, and Cross Joins Explained

SQL Tutorial 14: Inner, Left, Right, Full, and Cross Joins Explained

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SQL Tutorial 14: Inner, Left, Right, Full, and Cross Joins Explained
Watch the entire SQL playlist here: https://www.youtube.com/playlist?list=PL_neLGJ5LPUzPIg96tf7rXb57D6-3n5Pq In this tutorial, we dive deep into SQL Joins and how they work! You’ll learn: ✅ What INNER JOIN, LEFT JOIN, RIGHT JOIN, FULL JOIN, and CROSS JOIN do ✅ How to use each join with real SQL examples ✅ The differences between them and when to use which join Schema & Sample Data: CREATE TABLE Employees ( EmployeeID INT PRIMARY KEY, EmployeeName VARCHAR(50), DepartmentID INT ); INSERT INTO Employees (EmployeeID, EmployeeName, DepartmentID) VALUES (1, 'Alice', 101), (2, 'Bob', 102), (3, 'Charlie', NULL), (4, 'David', 104); CREATE TABLE Departments ( DepartmentID INT PRIMARY KEY, DepartmentName VARCHAR(50) ); INSERT INTO Departments (DepartmentID, DepartmentName) VALUES (101, 'HR'), (102, 'IT'), (103, 'Finance'), (104, 'Marketing'); Join Type | Matches Data? | Includes Non-Matching Data? -------------- | ------------ | ---------------------------- INNER JOIN | Yes | No LEFT JOIN | Yes | Left Table Rows Kept RIGHT JOIN | Yes | Right Table Rows Kept FULL JOIN | Yes | Both Tables Kept CROSS JOIN | No | All Possible Combinations Follow me on LinkedIn: https://www.linkedin.com/in/paragtech/ Relevant hastags: #SQL #SQLTutorial #SQLJoins #InnerJoin #LeftJoin #RightJoin #FullJoin #CrossJoin #Database #SQLQueries #SQLServer #LearnSQL #SQLForBeginners #DataAnalysis #Programming #Coding #TechEducation #DatabaseManagement #SQLTraining #SoftwareDevelopment #SQLCourse