[ + | - ] 
 { collection . { COUNT
                | FIRST
                | LAST
                | LIMIT
                | { NEXT | PRIOR } ( index )
                }
 | named_cursor%ROWCOUNT
 | numeric_constant
 | numeric_function_call
 | numeric_literal
 | numeric_variable
 | placeholder
 | SQL%{ROWCOUNT | BULK_ROWCOUNT ( index )}
 }
 [ ** exponent ]