根據某些字段合併幾條記錄

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SELECT SUBSTR(MAX (SYS_CONNECT_BY_PATH (SCH_CD, ', ' )), 2 ) SCH_CD
FROM (SELECT SCH_CD,
             RNC,
             LAG(RNC) OVER(ORDER BY RNC) RNP
      FROM (SELECT ROWNUM RNC, SCH_CD
                   FROM XE_SCHOOL
                   WHERE SCH_CD LIKE '08%'   
           )
     )
START WITH RNP IS NULL
CONNECT BY RNP =  PRIOR RNC

 

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