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A use case diagram giving a pictorial overview of user requirements and brief use case descriptions. As the case study contains only an outline of a business scenario, you will also need to state any business rules, assumptions, etc, that your group has made in the course of putting together the database design.
An ER diagram covering the data requirements of the scenario, together with a completed entity specification form for each entity shown on your ER diagram. An electronic version of the specification form can be found on Blackboard.
Individually you will sit a multiple choice test (10 questions) which tests your individual knowledge on the modelling techniques used in this assignment (ERD and Normalisation).
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What is data integrity? Ans: It is the data consisted of in database that is accurate and consistent. (Data integrity means that the data should be valid as per to the give
Explain DML with some examples? DML - Data Manipulation Language: statements used for managing data within schema objects. Some examples: • SELECT - retrieve data from the a da
random file sharing
what is physical data structure
For the relations R and S given below: R S A B C 1 4 7 2 5 8 3 6 9
Speedup Query Processing: A query that includes data at various sites can be split into sub-queries. These sub- queries can be implemented in parallel by various sites. Such parall
Project Description: This is going to be a School portal to handle each activities in school such as, School fees payment, online registration and every other payment, course re
Find out the names and company names of all employees sorted in ascending order of company name and descending order of employee names of by which company. SELECT EMPLOYEE_NAME,
How is the database organised in Oracle? Database organized within Oracle in terms of table and table holds attributes and values. A database consists of one or more logical
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