我已经选择了如下所示:

SELECT  ztab1~field11 ztab1~field12 ztab2~field21
FROM ztab1
  JOIN ztab2
    ON ztab1~field10 = ztab2~field10
INTO CORRESPONDING FIELDS OF TABLE lt_data_tab
FOR ALL ENTRIES IN lt_records[]
WHERE ztab1~field13 = lt_records-field13
%_HINTS ORACLE '&max_blocking_factor 500&'.

所以,我有oracle max_阻塞因子提示。但我还需要为ztab1表使用索引。带有max_阻塞因子和索引的提示必须是什么样子?