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Cardinality & Optionally
Cardinality represents the relationship between two entities. Consider one to many relationship between two entities -student andclass. Here cardinality of a relationship is the number of instances of entity student which can be associated with each instance of entity class. This is demonstrated in Figure.
What does data modelling means? Data modelling is the first step in the analysis modelling. In data modelling the data objects are checked independently of processing. The data
Ask quewhat is code restructuringstion #Minimum 100 words accepted#
Installation testing is testing full, partial, upgrade, or install/uninstall processes. The installation test for a release is conducted with the aim of demonstrating production re
What are the elements of Analysis model? i. Data Dictionary ii. Data Flow Diagram iii. Entity Relationship Diagram iv. State Transition Diagram v. Process specifica
Explain in detail about software Maintenance. Software maintenance is an action in which program is modified after it has been put into use. Maintenance is termed as the
Hard drive has space, but it keeps telling me that its full and asks me to delete files. I checked. There is nearly full C drives (8GB) but when i am open c drive and check than ne
Why software change occurs? Software change happens because of the following reasons. New needs emerge when the software is used. The business environment changes. Errors need
Explain acceptance testing and beta testing. Acceptance Testing and Beta testing : System tests are designed to validate a fully developed system to make sure that it meets
State about the Software Requirements Specification This document is produced as output of requirement analysis. Requirement analysis involves obtaining a clear and thorough
need of platform assignment system
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