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Create an ERD for this video store case.
Turn in an ERD with appropriate relationship sentences. You can use drawing tools in MS Word or MS Visio to create your ERD. Make sure your relationship sentences are consistent with your relationship in your ERD.
AVideo Store (AVS) runs a series of fairly standard video stores. Before a video can be put on the shelf, it must be catalogued and entered into the video database. Every customer must have a valid AVS customer card in order to rent a video. Customers rent videos for three days at a time. Every time a customer rents a video, the system must ensure that this customer does not have any overdue videos. If so, the overdue videos must be returned and an overdue fee paid before the customer can rent more videos. Likewise, if the customer has returned overdue videos, but has not paid the overdue fee, the fee must be paid before new videos can be rented. Every morning, the store manager prints a report that lists overdue videos; if a video is two or more days overdue, the manager calls the customer to remind him or her to return the video. If a video is returned in damaged condition, the manager removes it from the video database and may sometimes charge the customer
What is the importance to have a button that takes you back to the main page on each web page? How does dead end or orphan pages affect the continuity of a website?
Summarize briefly how to make use of indexes such as B+ tree or a hash indexes in selection, projection, and join operations?
Point out the changes you require to make to Premiere Products database to support following situation: A customer is not necessarily represented by a single sales rep but can be represented by several reps.
Create an ERD and relatioal schema in third normal form based upon the following business rules. (Hint: ensure that all attributes are FULLY DETERMINED by the primary key.) Don't forget to place your normalization arrows on your relational schema.
Create a class called TestSystem and write atest method which tests your system using a scenario. In your report document, describe the testing scenario and the expected behaviour of your system. Provide screen shots of your system testing in your..
Your company has put in the request for a new database system and you have been tasked with architecting the security associated with this new project.
based on the baxter aviation scenario that you used for the first exam. please read the following narrative carefully
An ER diagram for the system. Show all entities, relationships, cardinalities and optionalities. Also, include all intersection entities. You must use the Finkelstein methodology as per the study book and tutorials.
Use MS Visio to create a use case diagram for question 1, a selected class diagram for question 2, and a sequence diagram for question 3.
Write a query to determine the cost of the least expensive part in the part table? Format the returned price in dollars and cents using the correct function.
Build an entity relationship model for the above scenario. Show all attributes and indicate all of your key attributes in red.
Evaluate the pros and cons in agile and Waterfall project management in terms of planning and the execution of projects and collaboration among project team members.
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