From the course: Oracle Database 12c: Administration
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Database storage - Oracle Database Tutorial
From the course: Oracle Database 12c: Administration
Database storage
- [Narrator] We just learned about the nonpersistent nature of the Oracle instance. All of the information loaded into the Oracle instance gets cleared each time we restart our database. Wouldn't that put your data at risk, you may ask? Yes, but luckily for us, making our data consistent and safe is exactly where the second part of the Oracle database architecture comes into play, the Oracle database storage. The name pretty much gives away its purpose: storage of database data on-disk. The Oracle database storage is basically a special collection of Oracle files used to persist our data from the Oracle instance which is only in memory to a physical disk. In order for Oracle to ensure that all of our precious contained in our database is safe and secure, Oracle has to store that data on a disk somewhere as a set of files. These disk files are what actually make up our physical Oracle database. The Oracle instance which we talked about previously is only a copy of the Oracle program…
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