摘要:
1、抓出外键没有创建索引的表(不依赖统计信息)with cons as (select /*+ materialize */ owner,table_name,constraint_name from dba_constraints where owner='SCOTT' and constrain 阅读全文
摘要:
SELECT /*+ rule */ a .table_owner, a.table_name, a.index_owner, a.index_name, column_name_list, column_name_list_dup, dup duplicate_indexes, i.uniquen 阅读全文