How to add offset in a “select” query in Oracle 11g?

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一整个雨季
一整个雨季 2020-12-06 06:22

How to add an offset in a \"select\" query in Oracle 11g. I only know how to add the limit by e.g rownum <= 5 this question is not a duplicate, I already che

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  •  一个人的身影
    2020-12-06 06:47

    You can do it easily on 12c by specifying OFFSET.

    In 12c,

    SELECT val
    FROM   table
    ORDER BY val
    OFFSET 4 ROWS FETCH NEXT 4 ROWS ONLY;
    

    To do the same on 11g and prior, you need to use ROWNUM twice, inner query and outer query respectively.

    The same query in 11g,

    SELECT val
    FROM   (SELECT val, rownum AS rnum
            FROM   (SELECT val
                    FROM   table
                    ORDER BY val)
            WHERE rownum <= 8)
    WHERE  rnum > 4;
    

    Here OFFSET is 4.

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