fphm,kshm2014,000000012014,000000022014,000000032014,000000042014,000000052014,000000072014,000000082014,000000092013,000001202013,000001212013,000001222013,000001242013,00000125

2014,00000001,000000052014,00000009,000000072013,00000120,000001222013,00000124,00000125

SQL> SELECT b.fphm, MIN (b.kshm) Start_HM, MAX (b.kshm) End_HM2 FROM (SELECT a.*, TO_NUMBER (a.kshm - ROWNUM) cc3 FROM (SELECT *4 FROM t5 ORDER BY fphm, kshm) a) b6 GROUP BY b.fphm, b.cc7 /FPHM START_HM END_HM---------- -------- --------2013 00000120 000001222013 00000124 000001252014 00000001 000000052014 00000007 00000009