select a.uniqueness 索引類型,b.index_name 索引名稱,b.column_name 字段 from user_indexes a ,user_ind_columns b where a.table_name=b.table_name and a.index_name = b.index_name and a.table_owner=upper('ETL') and a.table_name='HIS_BANKMENTRUST' order by a.uniqueness desc;