A virtual index mimics the properties of a real physical index during the evaluation of query plans by the Index Consultant and when the PLAN function is used.

 
  • 在索引顾问对查询计划进行求值期间以及使用PLAN函数时,虚拟索引将模拟真实物理索引的属性。
今日热词
目录 附录 查词历史