In order to use materialized views, the Oracle DBA must set special initialization parameters and grant special authority to the users of materialized views. You ...
See performance gains by using indexed views in SQL Server Your email has been sent A view is a saved T-SQL query in SQL Server. The view definition is stored by SQL Server so that it can be used as a ...
一些您可能无法访问的结果已被隐去。
显示无法访问的结果
反馈