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How do you find the final model after iterative analysis?
Why is iterative analysis of any of the problem needed?
The final model serves as the base for system architecture, design and implementation.
The iterative analysis is needed to get cleaner, more understandable, and coherent design.
What is authorization graph? Passing of authorization from single user to another can be shown by an authorization graph.
Give a sample of the Dynamic Model. The sample of dynamic model is given below: Dynamic model for the car: Brake and Accelerator Brake or Applies Accelerator
The Maximum no of key fields that can be used in a header is?? 50
In a Hierarchical model of data records are organized ? In the hierarchical model of data records are organized as Tree structure.
Draw an ER diagram that represents the information described below. Show all entity sets, relationship sets, primary keys, and the mapping cardinality of the relationship sets.
Wait-die" scheme : The idea is based on non-preventive method. It is based on a simple rule: If Ti requests a database resource that is held by T
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 the
What is foreign key? A relation schema r1 derived from an ER schema may contain among its attributes the primary key of another relation schema r2.this attribute is known as a
Explain the Weak Entity Set An Entity set which does not have sufficient attribute to make a primay key is known as weak entity set. For instance, dependents of an employee in
What is Conceptual Schema? Conceptual Schema - Conceptual schema elaborates the structure of the overall database for a community of users. It hides the details of physical sto
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