Role-Based Procedure or Function Permission

Grant and revoke execute permission on a function, procedure, dbspace, or sequence generator for a user, user-extended role, or standalone role.

• Adding EXECUTE Permission to a User or Role
  Add execute permission on a function or procedure to a user, user-extended role, or standalone role.
• Removing EXECUTE Permission from a User or Role
  Remove execute permission on a function or procedure to a user, user-extended role, or standalone role.