SQL UPDATE Statement – Syntax, Examples, and Best Practices

SQL TUTORIALS-

SQL UPDATE Statement

Introduction-

What is the SQL UPDATE Statement? AND How to Use SQL UPDATE Statement with Examples (Beginner’s Guide)

-🔍 SQL UPDATE statement is used to modify existing records in a table.

✅ 1-Basic syntax is Follow:-

UPDATE table_name
SET column1 = value1, column2 = value2, ...
WHERE condition;

🔸 Example Table: Employees

✅ Example 2: Update a single row:-

UPDATE Employees
SET Salary = 62000
WHERE ID = 2;

Row inserted → 2 | POOJA | IT | 62000

✅Result Show :-

🔸 Example Table: Employees

✅ Example 2: Update multiple rows with a condition:-

✅UPDATE Query :-

UPDATE Employees
SET Salary = Salary + 2000
WHERE Department = 'HR';

Row inserted → Salary | HR | 2000

✅Result Show :-

🔸 Example Table: Employees

Example 3: Update based on another column value:-

✅UPDATE Query :-

UPDATE Employees
SET Department = 'IT'
WHERE Salary > 8000;

Row inserted → | ANNI | IT | 8000

Row inserted → | POOJA | IT | 62000

✅Result Show :-

🔸 Example Table: Employees

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