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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 is used to model interactions which consist of objects that collaborate without any message passed between them. It contains graphical contents, name, constraints, notes, packages and subsystems. The notation for objects and relationship among objects is shown as:
Figure: Relationship among objects
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I have one assignment that has to be done in neo4j
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WHY SHOULD NULL IN A RELATION BE AVOID AS possible?
What is known as a search key? An attribute or set of attributes used to look up records in a file is known as a search key.
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