You use the Rename Alias Table dialog box to rename alias tables.
The “Current name” box displays the name of the selected alias table.
In the “New name” box, you enter a new name for the selected alias table. Alias-table names must adhere to the naming rules for dimensions and members. For rule details, see the Oracle Essbase Database Administrator's Guide
“Setting Aliases” in the Oracle Essbase Database Administrator's Guide
alter object (MaxL) in the Oracle Essbase Technical Reference
renameobject (ESSCMD) in the Oracle Essbase Technical Reference