title: MySQL displays error #1064
body: <p>This is the error that <code>MySQL</code> shows:</p>
  
  <blockquote>
    <p>1064 - You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near ') REFERENCES <code>employee_management_portel_schema</code>.<code>Client_ref_table</code> () ' at line 16</p>
  </blockquote>
  
  <p>My code is the following:</p>
  
  <pre><code>CREATE TABLE IF NOT EXISTS `employee_management_portel_schema`.`Project_ref_table` (
    `project_id` INT NOT NULL,
    `project_name` VARCHAR(45) NOT NULL,
    `project_description` VARCHAR(255) NOT NULL,
    `enabled_flag` TINYINT(1) NOT NULL,
    `project_start_date` DATE NOT NULL,
    `project_end_date` DATE NOT NULL,
    `client_id` INT NOT NULL,
    `created_on` DATE NOT NULL,
    `updated_on` DATE NOT NULL,
    `dept_id` INT NOT NULL,
    `emp_id` INT NOT NULL,
    PRIMARY KEY (`project_id`),
    UNIQUE INDEX `project_id_UNIQUE` (`project_id` ASC),
    CONSTRAINT `client_id`
      FOREIGN KEY ()
      REFERENCES `employee_management_portel_schema`.`Client_ref_table` ()
      ON DELETE NO ACTION
      ON UPDATE NO ACTION)
  ENGINE = InnoDB;
  </code></pre>