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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 the primary key for each entity. Use the SELECT SSADM convention to draw the entity.
(b) Write the SQL code that will create ALL the tables as given in the appendix. Your answer should not contain the primary key and foreign key constraint declaration. The data type for each attribute should be as specified in the Appendix II. Assume that the tables will be associated with the dbo schema. The tables must be created on the Primary Filegroup.
What does Level0 DFD represent? Level0 DFD is known as 'fundamental system model' or 'context model'. In the context model the entire software system is shown by a single bubb
Define Data Flow Diagram. A Data flow diagram is a graphical description that depicts information flow & the transforms that are applied as data move from input to output. T
What is stepwise refinement? Stepwise Refinement:- Stepwise Refinement is a top-down design method originally proposed by Niklaus Wirth. A program is developed by successively
Q. Compare and contrast reliability and availability? Ans. Reliability: The probability of failure-free system operation over a specified time in a given environment for a gi
public static void mergesort(int x[],int y[])
This case-study describes the requirements of an airline travel agency who want to develop a website to allow customers to make online bookings. The outline requirements are descri
How to interpret software metrics(any metrics)...i need an example
What can be main reasons for a bug not being to reproduce? What must be done if such a bug is found? A bug can't be reproduced for below reasons: 1. Low memory. 2. Things
Why is SRS document known as black box specification of a system
What is the advantage of using prototype software development model instead of waterfall model? The waterfall model: This is the classic SDLC model, with a sequential and line
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