资讯
When a table takes less space on disk, then database query performance also will improve. For OLTP applications, we can easily remove data from database tables and port data onto lower cost storage ...
Precompute complex SQL queries Oracle offers materialized views and VARRAY tables, which can prebuild complex queries and aggregations into single-row tables that can be retrieved instantly.
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