Oracle Beginner Concept

Here are Some of the concepts that I learned from my own understanding of Oracle, which may be the wrong cognition

A database can be built using the graphical interface at 1.windows

See Baidu: Http://jingyan.baidu.com/article/90bc8fc80c01f2f653640c1f.html

You can specify the database name, as well as the SID (service name), or the instance name, during the creation process.

2. A database is a set of files that can be accessed only if the instance (service) is started.

3. You can start multiple instances to point to the same database.

4. A database can be stored in one or more database table spaces.

5. The database is a physical concept, which is the stored data. An instance is a logical concept that can be understood as a database service (the process can be seen by the Windows Task Manager).

6.. the BDF and. Ora files are not fundamentally different and can be used when building a table space, and it is recommended to use the. BDF suffix tablespace file, more professional

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Oracle Beginner Concept