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Explain the systems development life cycle.
This is the traditional method to develop, maintain, and replace information systems that contains the project identification and selection, project initiation and planning, analysis, logical design, physical design, execution, and maintenance steps. The process is a series of steps that are ideally completed in a linear fashion. In reality, the process is not linear and the process needs steps to be revisited and an overlap of steps.
Define the concept of Object Diagram An object diagram shows a set of the objects and their relationships with each other at a point of time. In a static view, object diagram
In E-R Diagram how relationship type is represented ? In E-R Diagram relationship type is represented as a Diamond.
Which data manipulation command combines the records from one or more tables ? JOIN data manipulation command combines the records from one or more tables.
cardnality ratio for humanresource mangement system
What are composite objects? Objects that have other objects are known as complex objects or composite objects.
How is concurrency identified? Concurrency in objects can be identified by the way they alter their state. Current objects can change their state independently. Aggregation imp
write an SQL statement to create the database in MYSQL server
Creating views with check option : This option limits those updates of data values that cause records to go off the view. The following instance tells this in more detail: Examp
sir, could anybody help me in getting complete information about the mentioned topic
a publishing company produce scientific books on various subjects. the books are written by authors who specialize in one particular subject. the company employs editors who, not n
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