PL/SQL Programming in the Large
Most business applications are data-centric and therefore require a database at their core. These applications are commonly used for years or even decades. During this time, the user interface is sometimes completely replaced or extended to keep it state of the art. The data model and the business logic, on the other hand, usually evolve more steadily along with the supported business processes. Many of these applications end up large, whether they start small (such as an APEX replacement of a spreadsheet) or are complex from the onset. Thus, we need an architecture and a programming language suitable for developing and maintaining data-centric business logic for years. PL/SQL in the Oracle database ideally fits these requirements.
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