Following are the two Steps for alteration of TableSpace :
  
*  Add DataFile.
*  Mode.
  
Add Datafile :
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1> From the "ONEi Configuration Manager" user interface clicks on
"Tools > Database Wizard > Alter TableSpace > Add DataFile".A pop up 
window comes to the screen where the user is prompted to select the
table space name from the Drop down box.
  
2> Type in the desired Data file name,the size and its unit,
which can be selected from the provided Drop down box.
  
3> Click on "Add" button to save the changes.
  
4> Click on "Exit" button to return back to the OCM user interface.
  
Mode :
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1> From the "ONEi Configuration Manager" user interface clicks on
"Tools > Database Wizard > Alter TableSpace > Mode".A pop up 
window comes to the screen where the user is prompted to select 
the table space name from the Drop down box.
  
2> Mode of the Table Space can be selected from the provided Drop
down box.Mode can be either "ONLINE" or "OFFLINE".
  
3> Press on "OK" button for saving the changes.
  
4> Press on "Exit" button to return to the OCM user interface.