ibase_modify_user Modify a user to a security database &reftitle.description; boolibase_modify_user resourceservice_handle stringuser_name stringpassword stringfirst_name stringmiddle_name stringlast_name &warn.undocumented.func; &reftitle.returnvalues; &return.success; &reftitle.seealso; ibase_add_user ibase_delete_user