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This chapter introduces two major models for database management systems: relational and transactional. Both models describe a way to view information in a database, and each is based on a different method of modifying the data and extracting information.
Note
The word "relational" refers to the SQL engine that is part of Pervasive.SQL. The word "transactional" is often equated to "Btrieve" access, and refers to the transactional engine in Pervasive.SQL and files that were formerly called "navigational."
This chapter includes the following sections:
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