例:
select regexp_substr(p.attributename, '[^,]+',1,level) c1
from tablename p
connect by level <= length(p.attributename) - length(replace(p.attributename,',','')) + 1
结果
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例:
select regexp_substr(p.attributename, '[^,]+',1,level) c1
from tablename p
connect by level <= length(p.attributename) - length(replace(p.attributename,',','')) + 1