मैं निरंतर श्रेणियों पर समूह कैसे बनाऊं

WITH    q AS
        (
        SELECT  *,
                ROW_NUMBER() OVER (PARTITION BY crew, dayType ORDER BY [date]) AS rnd,
                ROW_NUMBER() OVER (PARTITION BY crew ORDER BY [date]) AS rn
        FROM    mytable
        )
SELECT  MIN([date]), MAX([date]), crew AS name, dayType
FROM    q
GROUP BY
        crew, dayType, rnd - rn

यह लेख आपके लिए रुचिकर हो सकता है:

• एसक्यूएल के लिए आवश्यक चीजें:सीरीज ()