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Definition[]

A relational database is a

[d]atabase organization method that links files together as required. Relationships between files are created by comparing data such as account numbers and names. A relational system can take any two or more files and generate a new file from the records that meet the matching criteria. Routine queries often involve more than one data file; e.g., a customer file and an order file can be linked in order to ask a question that relates to information in both files, such as the names of the customers that purchased a particular product.[1]

References[]

  1. U.S. Food and Drug Administration, Glossary of Computerized System and Software Development Technology 25 (Aug. 1995) (full-text).
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