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Example of a flat file model [1] A flat-file database is a database stored in a file called a flat file. Records follow a uniform format, and there are no structures for indexing or recognizing relationships between records. The file is simple. A flat file can be a plain text file (e.g. csv, txt or tsv), or a binary file. Relationships can be ...
The inverted file data model can put indexes in a set of files next to existing flat database files, in order to efficiently directly access needed records in these files. Notable for using this data model is the ADABAS DBMS of Software AG, introduced in 1970. ADABAS has gained considerable customer base and exists and supported until today.
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Database tables and indexes may be stored on disk in one of a number of forms, including ordered/unordered flat files, ISAM, heap files, hash buckets, or B+ trees. Each form has its own particular advantages and disadvantages. The most commonly used forms are B-trees and ISAM.
Flat file database – Deductive database – database system that can make deductions. Document-oriented database – Object–relational database – Temporal database – database with built-in time aspects, for example a temporal data model and a temporal version of Structured Query Language (SQL). XML database –
Flat file and file system, Oracle 10G RDB option, WebDAV for attachments TWiki: Peter Thoeny October 1998: 6.1.0 [45] 2018-07-16: JosWiki: GPL: Yes Yes Perl: Flat-file database, RCS, pluggable storage backend UseModWiki: Clifford Adams 22 January 2000: 1.2.1 2017-12-01 AtisWiki GPL: Yes Perl: Flat-file database: Whizfolders: AvniTech 1999: 7.1 ...
Q&A was a database and word processing software program for IBM PC–compatible computers published by Symantec and partners from 1985 to 1998. It was written by a team headed by Symantec founder Dr. Gary Hendrix, [1] [2] Denis Coleman, and Gordon Eubanks.
UniProt is a freely accessible database of protein sequence and functional information, many entries being derived from genome sequencing projects.It contains a large amount of information about the biological function of proteins derived from the research literature.