A flat file database is a database consisting of a single such table, which can be as large or small as necessary. This can be a plain text file, a tabular format such as CSV, TSV, or Excel spreadsheet, or a binary file. The simplest definition of a flat file is a plain text file, with no relational information to other files or database information. Relational Algebra: Records in flat file database tables meet tuple definitions under relational algebra.Chances are, you’ve worked on or with a flat file in your day-to-day life or work without even realizing it.
Data Types: Columns in the database tables are restricted to a particular data type and are not indicated, unless the data is passed on to a relational database.Columns are separated using delimiter characters. Separated Columns: Flat file databases are based on fixed-width data formatting.Database Management System: The text data represent an intermediate style of data before being loaded into the database.A few features of the data in flat file databases include: Most of the applications permit users to store and retrieve information from flat files based on a predefined set of fields.įlat files include data types common to other databases. In spite of the limitations associated with flat files, flat file databases are used internally by various computer applications to store data related to configuration. These tables serve as a solution for simple database tasks. The tables within a flat file database can be sorted based on column values. Flat file database tables can be set in various application types, including HTML documents, simple word processors or worksheets in spreadsheet applications.
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