index question

hi gurus,
 this is my question.
Will "Changing the column order in the index definition" affect the result?

E.g.,

Are the following statements same or what?

  Create unique index abc on table1(empno, ename)

  Create unique index abc on table1(ename, empno) Received on Tue Jul 25 2000 - 20:03:48 CDT