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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.
Explain about the software testing strategies. A method approach to software testing. Verification and Validation. Verification refers to the set of activities tha
What is Data integrity? Ans) Data integrity is one of the six fundamental components of information security. Data integrity is the soundness, completeness and wholeness of the
What is the meaning of SCM? Software Configuration Management is termed as a set of actions performed for identifying, organizing and controlling changes throughout the lifecyc
Justify the term "Software is engineered" Software is engineered not manufactured. Although some similarities exist between software development and hardware manufacture, the t
NATURE AND TYPES OF SOFTARE PACKAGES: Software packages are commercially supplied products which typically provide solutions to a particular range of software development or a
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What are the various types of system testing? 1. Recovery testing - is planned to check the system's ability to recover from failures. 2. Security testing - determines t
What is process involved in maturity levels in SEIs CMM. Level 1: Initial - a small number of processes are defined and individual efforts are taken. Level 2: Repeatable - T
Write down the Data dictionary for the data item "Telephone Number". Names: Telephone number Aliases: none Where to use /How to use: assess against set-up Explanation
what are the main characteristics of software lease
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