Description of alter_end_user

ALTER END USER [ IF EXISTS ] end_user
  [ IDENTIFIED BY password [ REPLACE old_password ] ]
  [ PROFILE profile ] 
  [ PASSWORD EXPIRE ] 
  [ ACCOUNT ( LOCK | UNLOCK ) ] 
  [ ( SCHEMA schema) | (NO SCHEMA ) ] 
  [ (START TIME timestamp) | (NO START TIME) ]  
  [ (END TIME timestamp) | (NO END TIME) ]