create table emp
(
  depID number,
 constraint fk_depID FOREIGN KEY(deptID) REFERENCES dept(ID)
)

------解决方案--------------------
SQL code

--或者你这样写
create table emp(
depID number
);

alter table emp add constraint fk_depID FOREIGN KEY(depID) REFERENCES dept(ID);

------解决方案--------------------
没了，就这两种写法

------解决方案--------------------
探讨

SQL code


create table emp
(
  depID number,
 constraint fk_depID FOREIGN KEY(deptID) REFERENCES dept(ID)
)


------解决方案--------------------
create table emp
(
 depID number,
  constraint fk_depID FOREIGN KEY(deptID) REFERENCES dept(ID)
)