Following are the two Steps for alteration of TableSpace:
  Add Datafile.
  Mode.
ADD DATAFILE
  From the "ONEi Configuration Manager " user interface Clicks on "Tools > Alter TableSpace > Add Datafile". 
  A pop - up window comes to the screen. A Table Space name is selected from the Drop down box. 
  Type in the desired Data file name, the size and its unit, which can be selected from the Drop down box provided and click on "Add" button.
  Click on "Exit" button to go back to the OCM -user interface. 
MODE
  From the "ONEi Configuration Manager " user interface Clicks on "Tools > Alter TableSpace > mode".
  A pop - up window comes to the screen. A Table Space name is selected from the Drop down box.
  Mode of the Table Space can be selected from the Drop down box provided. Mode can be either "ONLINE" or "OFFLINE".
  Press "OK" button for the modification.
  Press on "Exit" button to return to the OCM - interface.

