两个外键名字重复了吧?
CREATE TABLE tb_criticism (
criticismID char(11) constraint tb_criticism_criticismID_pk primary key,
criticismContent long,
employeeID char(11) constraint tb_criticism_criticismID_fk_1 references tb_employee(employeeID),
criticismTime date,
messageID char(11) constraint tb_criticism_criticismID_fk_2 references tb_message(messageID),
);
倒数第二个括号后面不应该有 “ , ”
criticismContent long, 什么数据库 有long类型?
最后多了一个 ( , )逗号