Several relational database comparison

Configuration data is stored oracle

Database orcl

----- orcl database instance default when you install the database, it has been added.

  ------ 表空间  (oracle数据库会有很多默认表空间)

         ------ 用户 (用户是创建在表空间上的,创建用户不选择表空间,就会创建在默认表空间Users上,当然可以新建的表空间上再创建用户)

                 ------- 表  表属于用户(sql再导入和导出时,用户要与表一一对应)

Storing data structure mysql

------- users (all are operating authority based on the highest authority user, different users have different databases)

    --------- 数据库

               --------- 表(表属于数据库)

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Origin www.cnblogs.com/cashew/p/11280626.html