
SEQ值,总是有一行,
ROWSEQNUM=1并且要
ROWSEQNUM连续增加的值没有间隙。
select seq, min(rowseqnum), max(assoc_list)from ( select seq, rowseqnum, sys_connect_by_path(assisting_associate,';') assoc_list from assoc_table start with rowseqnum=1 connect by seq = prior seq and rowseqnum = prior rowseqnum + 1 )group by seq
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