CREATE TABLE IF NOT EXISTS events (
  id INT AUTO_INCREMENT PRIMARY KEY,
  school_id INT NOT NULL,
  title VARCHAR(255) NOT NULL,
  event_date DATE NULL,
  location VARCHAR(255) NULL,
  created_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
  updated_at DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
  CONSTRAINT fk_events_school_id FOREIGN KEY (school_id) REFERENCES schools(id) ON DELETE CASCADE,
  INDEX idx_events_school_date (school_id, event_date),
  INDEX idx_events_school_created (school_id, created_at)
);