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SBM4102 Data And Information Management 3

tag 0 Download 15 Pages / 3,627 Words tag 06-03-2020

Question:

Read the case study below:

Australian Institute of Music is a music college across the Australia. It provides wide ranges of courses related to music. The top level management of the college has recently decided to computerise the existing paper-based data to a database in order to keep record of all staff, students, courses, etc. Such database will facilitate saving, restoring, and reporting whenever required and reduced paper consumption in the college. The following describes information that is required to save in the database.

Cost of each course is presented in the table below.

Course

Cost

Singing

$100

Piano

$75

Violin

$120

Guitar

$50

  • It should be noted that some courses run for half an hour while others run for an hour. The minimum course time to teach is 30 minutes.
  • The college also needs to maintain information about teaching staff. For example, it is required to record which staff teaches which instruments. For example, David teaches singing and piano. Information related to staff includes staff id, name and family, date of birth, phone number, address, and degree. Each staff has a unique ID to ensure easy identification.
  • In addition, information related to students is required to maintain in this database. Students has name, postal address, date of birth, and contact phone number. Once a student is joined to the college, he or she can enrol in to interested instruments course. The date and time of the course(s) should be recorded, as well as the duration.
  • Furthermore, it is necessary to record which staff member will be taking the course and instrument the course is defined for. Students pay for their courses once the course is finished. It is necessary to record the condition for the course payment and the date paid.
  • Another type of information which is required to store is the available instruments in the college stock. This includes the instrument name, manufacture name, quantity or number of each instrument in the stock. The staff may use one or more instrument for teaching purpose.
  • At the end of every month, the staff issues invoice statements. An invoice, which has a unique number, is issued for those students who have one or more unpaid courses in the previous month. An invoice, for example, contains date, student information, and total amount due.

You Need To Do The Followings

Part-1  Entity-relationship data model

You are required to develop an ER model to represent the information requirements for given case study.  

 Your ER model must:

  • show all necessary entities, attributes and relationships
  • show unique identifiers
  • show minimum and maximum cardinality.
  • show associative entities, if applicable

Some business rules given in the case study may not be clear to you when you read the case study. You may simply make an assumption and then develop your ER model.

You are required to write brief definitions for the entities and attributes in your model.  For each entity and attribute in your model, write a sentence to describe the meaning of that entity or attribute. 

Part-II Relational database implementation

You must implement the entity relationship model based on Assignment 1.  

The recommended tool for this assignment is Microsoft Access.  

In implementing the ERD provided, you must complete the following tasks:

  • Map the ERD into a set of relationsin at least Third Normal Form (3NF).  You must ensure that your relations meet 3NF.  Show your working.
  • List all the functional dependenciespresent in the relation
  • Create all the relations in a Microsoft Access database.  Consider each attribute in every table and make appropriate choices regarding data types and sizes, indexes, required/not required, and validation rules.  Your choices should be appropriate for each attribute and should support data integrity.  
  • Create relationshipsas appropriate.  Enforce referential integrity for all appropriate relationships in the database.   
  • Populate the database with sample data.  You must include sufficient sample data to test your queries and report(s).  You should aim for at least 4-5 rows in every table.

Data integrity

You are required to implement integrity constraints within the database to enforce the following requirements:  

For lessons:

  • Lesson duration cannot be less than 30 minutes (half hour).
  • Cost cannot be negative (but it can be 0).
  • Paid must be either yes or no.
  • Date paid cannot be in the future.

For invoice statements:

  • Statement date must be supplied.
  • Statement date cannot be in the future.
  • Paid must be either yes or no, it cannot be null.
  • Statement total must be supplied.
  • Statement total must be greater than 0.
  • The payment date must be on or later than the statement date.

Information requests

Create queries manually using SQL view.  

  1. List details of students who are under 18 years of age.  
  2. Show details of lessons coming up in the next 7 days (if any).
  3. Show a list of students and the total number of lessons they have had.  Show the student ID, family name, given name, and the number of lessons.
  4. Show details of any student who has had piano lesson.
 
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My Assignment Help (2020) Data And Information Management 3 [Online]. Available from: https://myassignmenthelp.com/free-samples/sbm4102-data-and-information-management-3
[Accessed 12 August 2022].

My Assignment Help. 'Data And Information Management 3' (My Assignment Help, 2020) <https://myassignmenthelp.com/free-samples/sbm4102-data-and-information-management-3> accessed 12 August 2022.

My Assignment Help. Data And Information Management 3 [Internet]. My Assignment Help. 2020 [cited 12 August 2022]. Available from: https://myassignmenthelp.com/free-samples/sbm4102-data-and-information-management-3.


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