文件名称:深入探讨:oracle中方案的概念以及方案与数据库的关系
文件大小:58KB
文件格式:PDF
更新时间:2024-01-05 17:30:00
acl c OR
首先先理解方案的概念,然后再理解方案与数据库的关系。 先来看一下他们的定义: 代码如下:A schema is a collection of database objects (used by a user.). Schema objects are the logical structures that directly refer to the database’s data. A user is a name defined in the database that can connect to and access objects. Schemas and users help d