For this project, you will be creating a database system to solve a school database with classes, students, teachers, and locations and they need to develop schedule for students and teachers. The database will support the plan for the school solving the problem of hand writing each schedule.. The database system must meet the criteria shown below. In addition to the database solution, each student will prepare a system summary.
Database System Requirements (Group Work):
• Create a database and name it ITD640_GPx where "x" is your group letter. Populate your database with appropriate test data.
• Include all of the scripts in a single file called ITD640_GPx.SQL where "x" is your group letter.
• Create at least three related tables in the database.
• Create at least two stored procedures and a script to use each of them.
• Create at least one view (using a script).
• Create at least one trigger.
• Create at least five useful queries. At least one of these queries should use a subquery, and at least one of the queries should use an aggregate function.
• All scripts should be well documented.
Individual Summary:
In addition to the work described above, prepare a summary document with the following information. This document will be submitted as a separate item along with the ZIP of the database and the associated files.
a word document describing the system
1. an ERD or other graphical representation of the system
2. a description of the views, stored procedures, triggers, and queries
3. step-by-step instructions on how to run the queries that will demonstrate the functionality of the system
4. a summary of strengths and weaknesses of the system, as designed
Submit the database, a log file, query files in a zip file called ITD640_GP.ZIP, and his or her own individual summary document as a separate submission. You will have to detach the database before creating the zip file.
2. What are triggers used for, and why are they important in database systems? Provide an example of a situation where a trigger would be appropriate. What would the implementation of this trigger look like?