ORACLE常用数据查询

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1. 生成树表全路径

SELECT WORKLOAD_KIND_TREE_ID, parent_ids
  from (SELECT tt.WORKLOAD_KIND_TREE_ID,
               TRIM(LEADING ',' FROM
                    SYS_CONNECT_BY_PATH(tt.WORKLOAD_KIND_TREE_ID, '/')) as parent_ids
          from brc.tp_workload_kind_tree tt
         START WITH tt.WORKLOAD_KIND_TREE_ID = '62'
        CONNECT BY PRIOR tt.WORKLOAD_KIND_TREE_ID = tt.parent_id) t