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Summary
Name	SIARD (Software-Independent Archiving of Relational Databases)
Version	1.0
Other names
Identifiers	PUID: fmt/161
Family
Classification	Database
Disclosure	Full
Description	Software-Independent Archiving of Relational Databases is a format for storing content of relational databases in files for long-term preservation e.g. in archives. The format was developed by the Swiss Federal Archives. It is an open standard and is supported by the SIARD software of the Swiss Federal Archives. SIARD format is a ZIP file (based on the 64 bit extension of the ZIP format introduced by PkWare Inc. with version 4.5 of the ZIP format definition in order to avoid size limitations which are unrealistic for databases). The ZIP file contains an XML file describing the database structure (database metadata) as well as a collection of XML files describing the table content (database primary data) as well as - optionally - some text files and some binary files representing database large objects (BLOBs and CLOBs). SIARD format is used for archiving databases adhering to the SQL (ideally SQL:1999 core) standard.
Orientation	Binary
Byte order	Little-endian (Intel)
Related file formats	Has priority over ZIP Format
Technical Environment
Released
Supported until
Format Risk
Developed by	Swiss Federal Archives / Swiss Federal Archives
Supported by	Swiss Federal Archives / Swiss Federal Archives
Source	Swiss Federal Archives / Swiss Federal Archives
Source date	03 Feb 2009
Source description
Last updated	22 Jul 2010
Note