SecureFiles LOBs support advanced features of compression, deduplication and encryption to files. Excerpts and links may be used, provided that full and clear credit is given to Kevin Closson and Kevin Closson's Blog: Platforms, Databases, and Storage with appropriate and specific direction to the original content. As the data grows in a tablespace, Oracle Database uses the free space in the data files to allocate extents for the segment. Oracle Database uses the control file to locate database files and to manage the state of the database generally. The database maintains online redo log files to protect against data loss.
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