Format
dBASE Database
Summary
- Name
- dBASE Database
- Version
- II
- Identifiers
- PUID: x-fmt/8
- 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
- File extensions
-
dbf - Submitted by
- Digital Preservation Department / The National Archives
- Developed by
- dBASE Inc.
- Supported by
- dBASE Inc.
Internal signatures
dBase Table Version II (date last updated (month (1-12), day (1-31), year)
- Description
- Version number (02), date last updated ((month (1-12), day (1-31), year), Maximum length of each record =1000, first character of field name is upper or lowercase ASCII letter (41-5A) or (61-7A), Field Type (C, N or L)
- 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
02{2}[01:1C][01:1F]????[00:03]([41:5A]|[61:7A]){10}(43|4E|4C)- Endianness
- Little-endian
dBase Table Version II (date last updated MMDDYY all zero)
- Description
- Version number (02), date last updated MMDDYY all zero, Maximum length of each record =1000, first character of field name is upper or lowercase ASCII letter (41-5A) or (61-7A), Field Type (C, N or L)
- 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
02{2}000000??[00:03]([41:5A]|[61:7A]){10}(43|4E|4C)- Endianness
- Little-endian
Changelog
-
V112
- Release date
- 10 May 2023
-
Updated
dBASE Database II: Added developer. Submitted by Digital Preservation Department, The National Archives (UK).
-
V83
- Release date
- 17 December 2015
-
Updated
dBASE Database II: Added description.
-
V46
- Release date
- 8 February 2011
-
Added signature
dBASE Database II: Existing signature refined through PRONOM Research.
-
V45
- Release date
- 6 December 2010
-
Added signature
dBASE Database II: Signature submitted by Georgia Tech Research Institute, USA.