Change the settings for the TEXT index, including the dbspace and TEXT index name.
Editing a TEXT index (Sybase Central)
Connect to the database as a user with DBA or RESOURCE authority.
In the left pane, select the Text Indexes folder.
In the list of Text Indexes, right-click the object to modify and select Properties.
On the General tab, modify the settings as needed.
Click OK.
Editing a TEXT index (Interactive SQL)
Connect to the database as a user with DBA or RESOURCE authority.
Execute an ALTER TEXT INDEX statement.
For example, to rename the myTxtIdx to MyTextIndex, enter:
ALTER TEXT INDEX MyTxtIdx ON Customers RENAME AS MyTextIndex;