CREATE TABLE IF NOT EXISTS contacts ( id INT AUTO_INCREMENT PRIMARY KEY, name VARCHAR(255) NOT NULL, email VARCHAR(255) UNIQUE, phone VARCHAR(50), company VARCHAR(255), status VARCHAR(50) DEFAULT 'Lead', created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ); -- Insert some dummy data for initial view INSERT INTO contacts (name, email, phone, company, status) VALUES ('Alice Johnson', 'alice.j@example.com', '123-456-7890', 'Innovate Inc.', 'Lead'), ('Bob Williams', 'bob.w@example.com', '234-567-8901', 'Solutions Corp.', 'Contacted'), ('Charlie Brown', 'charlie.b@example.com', '345-678-9012', 'Data Systems', 'Qualified'), ('Diana Prince', 'diana.p@example.com', '456-789-0123', 'Global Tech', 'Lead') ON DUPLICATE KEY UPDATE name=name; -- Do nothing if email exists