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A logical ER model does not require a conceptual ER model, especially if the scope of the logical ER model includes only the development of a distinct information system. The logical ER model contains more detail than the conceptual ER model. In addition to master data entities, operational and transactional data entities are now defined.
The enhanced entity–relationship (EER) model (or extended entity–relationship model) in computer science is a high-level or conceptual data model incorporating extensions to the original entity–relationship (ER) model, used in the design of databases.
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A diagram is a partial graphic representation of a system's model. The set of diagrams need not completely cover the model and deleting a diagram does not change the model. The model may also contain documentation that drives the model elements and diagrams (such as written use cases).
A meet-me room (MMR) is a place within a colocation center (or carrier hotel) where telecommunications companies can physically connect to one another and exchange data without incurring local loop fees. [1] Services provided across connections in an MMR may be voice circuits, data circuits, or Internet Protocol traffic.
Hoteling systems can vary in complexity, from a basic process for reserving office space to sophisticated systems integrated with a company's information technology (IT) system. Technical integration can be an important element of a hoteling system's success, permitting workers to access the information they need about the office and easily ...
The system automates hotel operations like guest bookings, guest details, online reservations, posting of charges, point of sale, telephone, accounts receivable, sales and marketing, events, food and beverage costing, materials management, HR and payroll, maintenance management, quality management and other amenities. [3] Hotel property ...
Activity diagrams [1] are graphical representations of workflows of stepwise activities and actions [2] with support for choice, iteration, and concurrency. In the Unified Modeling Language, activity diagrams are intended to model both computational and organizational processes (i.e., workflows), as well as the data flows intersecting with the related activities.