CODE EXAMPLE FOR SQL

mysql create procedure phpmyadmin

delimiter //
CREATE PROCEDURE insert_user_temp()
 BEGIN 
  DECLARE row_coun_no INT;
  SELECT COUNT(`id`) INTO row_coun_no FROM user_temp;
  IF row_coun_no != 0 THEN
    TRUNCATE `user_data`;
    INSERT INTO user_data (employee_id,employee_code,employment_type,`emp_name`,first_name,middle_name,last_name,photo_file_name,email_id)
    SELECT employee_id,`employee_code`,`employment_type`,CONCAT(`first_name`," ",`last_name`),`first_name`,`middle_name`,`last_name`, `email_id`, `photo_file_name` FROM `user_temp`;
    TRUNCATE user_temp;
    UPDATE  `demo_user`.`tbl_users`, `main_user`.`user_data` SET tbl_users.profile_pic = user_data.photo_file_name
    WHERE  tbl_users.email = user_data.email_id;
  END IF;
END;//

delimiter ;