If you deactivate an index, the database system no longer uses it to access data in the database.
You are logged on to the database as a database user.
You have the INDEX privilege for the table for which the index has been defined.
More information: SQL Reference Manual, Privilege Specification (privilege_specification)
The database is in the ONLINE operational state.
Open the index overview.
More information: Displaying Indexes
To activate an index, choose Enable in the context menu of the index.
To deactivate an index, choose Disable in the context menu of the index.