select t2.tag_name 名称, t1.* from (select tag_relations as id, ltrim(sys_connect_by_path(tag_name, '-'), '-') as 详情 from (select tag_relations, tag_name, row_number() over(partition by tag_relations order by tag_name) rn, count(*) over(partition by tag_relations) cnt from test_temp where tag_relations != '0') a where level = cnt start with rn = 1 connect by prior tag_relations = tag_relations and prior rn = rn - 1) t1, test_temp t2 where t1.id = t2.tag_id;
SQL行合并值
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转载自zxw961346704.iteye.com/blog/2121580
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