Usage Privilege in Stored Procedure Language
The Usage privilege on SPL is granted to PUBLIC by default. Only user informix, the DBA, or a user who was granted the Usage privilege WITH GRANT OPTION can grant the Usage privilege on SPL to another user.
In the following example, assume that the default Usage privilege
on SPL was
revoked from PUBLIC and the DBA wants to grant the Usage privilege
on SPL to
the role named developers:
GRANT USAGE ON LANGUAGE SPL TO developers;