What does "three-schema architecture" mean when referring to a three-level architecture where requests are translated into outcomes at each level?
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What does "three-schema architecture" mean when referring to a three-level architecture where requests are translated into outcomes at each level?
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- Using a graphics program, develop an entity-relationship diagram for a database application for an Internet bookstore where students buy textbooks from a salesperson and receive invoices for their purchases. Use Figure 5.5 as a guide.The conversion of requests to outcomes across the internal, external, and conceptual levels of a three-schema architecture is referred to asA three-level architecture is known as a three-schema architecture, and it is characterised by the fact that requests are transformed into outcomes at each of the three levels.
- A three-schema architecture is a three-tiered architecture in which requests are translated to outcomes at each of the three levels.A three-schema design has three levels, and at each level, requests are turned into results.In a three-schema design, requests are translated into results at each of the three tiers.
- Requests are translated into outcomes across all three tiers of a three-schema architecture.In a three-schema design, the exterior, internal, and conceptual levels are all strictly segregated, and the terminology employed in this structure isIn a three-schema architecture, requests are translated into outcomes at each of the three levels.
- How do serialization frameworks cater to dynamic schema evolution, especially in systems that constantly adapt and change?Among the logical schema's design objectives are the following:What are the benefits and challenges of using data binding in the Model-View-Controller (MVC) architectural pattern? How does data binding contribute to separating concerns in this design pattern?