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Define Data objects, attributes & relationship.
Data object: Illustration of any composite information that must be understood by a software. It can be any external entity. Attributes: explain the properties of the Data object Relationship: Connecting two dissimilar data object.
Eg: Object Attributes Relationship
Person Name
Age
Address
Owns
Car Make
Model
Body type
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(a) Draw an Entity-Relationship model for the relational schema given in the Appendix. Show all the entities, relationships, relationship names, and attributes and also underline
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Modified ER diagram representing cardinalities When minimum cardinality of a relationship is one, then second entity is known as mandatory participant in the relationship. Ma
Hello I want to know the actual difference b/w information technology & computer science & engineering ? Thanks
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