JAVA SP T


Lets dive into snapshot of my programs!💻

4. Update the row in the table in the database from Java API.

💡Code:

 import java.sql.Connection;
                import java.sql.DriverManager;
                import java.sql.SQLException;
                import java.sql.Statement;
                
                class DatabaseUpdateWithStatement {
                    public static void main(String[] args) {
                        String url = "jdbc:mysql://localhost:3306/mydb";
                        String username = "root";
                        String password = "";
                
                        // SQL update statement
                        String updateSql = "UPDATE users SET id = 2 WHERE id = 5";
                
                        try {
                            Connection connection = DriverManager.getConnection(url, username, password);
                            Statement statement = connection.createStatement();
                            int rowsAffected = statement.executeUpdate(updateSql);
                
                            if (rowsAffected > 0) {
                                System.out.println("Row updated successfully.");
                            } else {
                                System.out.println("No rows updated.");
                            }
                        } catch (SQLException e) {
                            e.printStackTrace();
                        }
                    }
                } 

📸Output :

output