ALTER RESOURCE COST 
{ CPU_PER_SESSION 
| CONNECT_TIME 
| LOGICAL_READS_PER_SESSION 
| PRIVATE_SGA
}
integer [
        {CPU_PER_SESSION 
        | CONNECT_TIME 
        | LOGICAL_READS_PER_SESSION 
        | PRIVATE_SGA
        } integer
        ] ... 
;

For information on the symbols and conventions of Backus-Naur Form (BNF) syntax, see Appendix A.