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Describe Dynamic Model.
The dynamic model specifies allowable sequences of changes to the objects from an object model. It contains event trace diagrams describing scenarios. An event is the external stimulus from one object to other that occurs at a particular point of time. An event is one-way transmission of information from one object to other. A scenario is sequence of events which occurs during one particular execution of the system. Each fundamental execution of the system shall be represented as a scenario.
Command Line Interfaces: These are interactive interfaces, character-based that let you use the complete power and functionality of the DBMS query language directly. They permit yo
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What are referential integrity constraints? A value that appears in single relation for a given set of attributes also appears for a particular set of attributes in another rel
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Define the Traditional System Analysis and Design Traditional System Analysis and Design (SAD) have three basic life cycle models. A typical software lifecycle consists of the
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explain various steps uses in evaluation and maintenance of MIS.
You are working for the ABC Telecom and are given some customer records for data mining. You are asked to discover, from the data, patterns that characterize low-, medium- and high
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