# DBFS

> filesystem which stores files in an Oracle Database

**Wikidata**: [Q3020015](https://www.wikidata.org/wiki/Q3020015)  
**Source**: https://4ort.xyz/entity/dbfs

## Summary
DBFS (Database File System) is a file system developed by Oracle Corporation that stores files directly within an Oracle Database. It functions as a concrete format or program for storing files and directories on a data storage device, leveraging the database infrastructure for file management. It is also known as the Oracle Database File System.

## Key Facts
- **Classification:** Instance of a file system.
- **Developer:** Created and maintained by Oracle Corporation.
- **Parent System:** A component or part of the Oracle Database.
- **Aliases:** Referred to interchangeably as "Oracle Database File System."
- **Function:** Operates as a concrete format or program for storing files and directories.
- **Unique Identifier:** Google Knowledge Graph ID `/g/122zkc3y`.
- **Documentation:** Described in English at `https://oracle-base.com/articles/11g/dbfs-11gr2` (retrieved Sept 24, 2016).
- **Multilingual Presence:** Has an associated Wikipedia page in French (`wikipedia_languages: fr`).

## FAQs
### Q: What exactly is DBFS?
A: DBFS stands for Database File System. It is a specific file system implementation developed by Oracle that allows users to store and manage files and directories inside an Oracle Database rather than on a traditional operating system file system.

### Q: Who develops and maintains DBFS?
A: DBFS is developed by Oracle Corporation and is considered a part of the broader Oracle Database ecosystem.

### Q: How is DBFS related to standard file systems?
A: DBFS is an instance of a "file system," defined as a concrete format or program for storing files and directories on a data storage device. Unlike standard systems that store files on disk drives, DBFS stores them in the database.

## Why It Matters
DBFS is significant because it bridges the gap between unstructured file data and structured relational database management. By storing files within the Oracle Database, DBFS allows applications to interact with database content using standard file system interfaces (such as mounting the file system), while the actual data resides securely inside the database tables. This architecture enables users to leverage Oracle Database features—such as backup, recovery, and security—for file management, treating files as first-class citizens within the database environment. It simplifies the storage architecture for applications that require both database access and file manipulation, eliminating the need to manage a separate file server or storage device for binary data.

## Notable For
- **Database Integration:** It is distinct for storing files directly inside an Oracle Database rather than on a separate file server.
- **Oracle Ecosystem:** It is a proprietary solution developed specifically for the Oracle Database environment.
- **Hybrid Management:** It allows files to be managed with the same rigor as relational data (e.g., via database backups).

## Body
### Definition and Classification
DBFS is classified as a file system. In the context of computer storage, a file system is a concrete format or program used for storing, organizing, and managing files and directories on a data storage device. DBFS specifically implements this concept by using an Oracle Database as the storage backend.

### Developer and Ownership
The system was developed by Oracle Corporation. It is categorized as a distinct entity within the technology sector but functions as a part of the larger Oracle Database software suite.

### Technical Context
According to source documentation, DBFS provides a mechanism to store files in the database. It is listed in knowledge bases with a sitelink count indicating a specific presence in technical documentation, including a French language Wikipedia entry. The system has been referenced in technical articles as early as September 2016, highlighting its role in database file management.

## References

1. [Source](https://oracle-base.com/articles/11g/dbfs-11gr2)