Format
dBASE Database
Summary
- Name
- dBASE Database
- Version
- III
- Identifiers
- PUID: x-fmt/9
- Format type
- Database
- Description
- dBase is a database management systems for microcomputers.The dBase system includes the core database engine, a query system, a forms engine, and a programming language that ties all of these components together. dBase's underlying file format, the .dbf file, is widely used in applications needing a simple format to store structured data.
- Format encoding
- Text
- Note
- http://www.dbase.com/help/Design_Tables/IDH_TABLEDES_FIELD_TYPES.htm;http://www.dbase.com/KnowledgeBase/int/db7_file_fmt.htm https://www.promotic.eu/en/pmdoc/Subsystems/Db/dBase/DbfFormat.htm
- File extensions
-
dbf - Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- dBASE Inc.
- Supported by
- dBASE Inc.
Internal signatures
dBase Table Version III
- Description
- Version number, Date of last update MMDD, First upper or lowercase character of field name, field type (C, D, L, M, N). Dbase III (versions 1.0, 1.1 and 1.2) was released by Ashton-Tate during the period 1984-85. Dbase III+ (versions 1.0 and 1.1) was released during the period 1986-1987. Dbase IV (versions 1.0 and 1.1) was released during the period 1988-1990. All used the same dBase III file format for a dbf.
- Provenance
- Signature identified by Georgia Tech Research Institute (Candidate Internal Signatures for File Formats in PRONOM Registry; 05/06/2010). Additional enhancement of signature carried out by The National Archives Digital Preservation Dept.
Byte sequences
- Min Frag Length
- Absolute from BOF
- Offset
- 0
- Max offset
- None
- Byte Sequence
03??[01:0C][01:1F]{28}([41:5A]|[61:7A]){10}(43|44|4C|4D|4E)- Endianness
- Little-endian
Changelog
-
V115
- Release date
- 15 November 2023
-
Updated
dBASE Database III: Links to documentation added. Submitted by The National Library of Australia.
-
V112
- Release date
- 10 May 2023
-
Updated
dBASE Database III: Added developer. Submitted by Digital Preservation Department, The National Archives (UK).
-
V83
- Release date
- 17 December 2015
-
Updated
dBASE Database III: Added description.
-
V46
- Release date
- 8 February 2011
-
Added signature
dBASE Database III: Existing signature refined through PRONOM Research.
-
V45
- Release date
- 6 December 2010
-
Added signature
dBASE Database III: Signature submitted by Georgia Tech Research Institute, USA.