小编Zsu*_*tam的帖子

以下声明适用于Oracle 9i,但不适用于Oracle 11g

SELECT *
FROM
(
    SELECT 0 scrnfail_rate, '9' zz, 7 hh FROM DUAL
    UNION ALL
    SELECT 0 scrnfail_rate, '9' zz, 7 hh FROM DUAL
)
WHERE zz IS NOT NULL
AND TO_CHAR (hh) NOT IN
(
    SELECT
        DECODE
        (
            scrnfail_rate, 0, -1,
                ROUND (LEVEL * 1 / (scrnfail_rate / 100)) 
                - 
                ROUND (1 / (2 * (scrnfail_rate / 100)))
        ) AS nno
    FROM   DUAL
    WHERE   NVL (scrnfail_rate, 0) > 0
    CONNECT BY   LEVEL <= ROUND(9 * scrnfail_rate …