numeric_subexpression ::=
{{cursor_name
| cursor_variable_name
| :host_cursor_variable_name
| SQL}
% ROWCOUNT
| SQL % BULK_ROWCOUNT (integer)
| :host_variable_name [: indicator_name]
| numeric_constant_name
| numeric_function_call
| numeric_literal
| numeric_variable_name
| collection_name .{COUNT
| FIRST
| LAST
| LIMIT
| NEXT (index)
| PRIOR (index)}}
[** exponent]