Where are data files stored in Oracle?

How are files stored in Oracle?

Files are stored as SecureFiles LOBs in a database table. A set of PL/SQL procedures implement the file system access primitives such as create, open, read, write, and list directory. The implementation of the file system in the database is called the DBFS Content Store.

What is the default path for Oracle database files?

Database files are stored in ORACLE_BASE\ORADATA\DB_NAME.

Where is the data stored in a database?

A database's data is collectively stored in the datafiles that constitute each tablespace of the database. For example, the simplest Oracle database would have one tablespace and one datafile.

What is the default location for a data file in Oracle?

There is no true default location for a data file in Oracle, the closest thing would be a directory under ORACLE_HOME. If I recall (I don't have access to an Oracle DB at the moment to verify this) the directory structure varies slightly based on the OS and version.

How many tablespace and Datafile can an Oracle Database have?

For example, the simplest Oracle database would have one tablespace and one datafile. Another database can have three tablespaces, each consisting of two datafiles (for a total of six datafiles). Oracle-managed files eliminate the need for you, the DBA, to directly manage the operating system files comprising an Oracle database.

What is a datafile in Oracle?

Overview of Datafiles. A tablespace in an Oracle database consists of one or more physical datafiles. A datafile can be associated with only one tablespace and only one database. Oracle creates a datafile for a tablespace by allocating the specified amount of disk space plus the overhead required for the file header.