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Define a structural model. Why should a systems analyst create one? Give an example of class cohesion for a class named SUPPLIER for your example that supplies car parts. List some of its attributes
Write SELECT statements for the following (include a screenshot of the SQL and its execution, including the resulting data).
Your program needs to be able to find the cheapest product item in the shopping cart. For it you may adopt the same strategy described in Subtask 2.2.
Based on the pseudocode developed in Subtask 1.1, you are to implement the Information Gathering Component in this task.
Information Gathering Component is very important to a shopping cart system. You really want to develop a good algorithm for it. As a professional practice, you decided to first make a working plan
Imagine you are a senior systems administrator who has recently been given the task to help improve security of your company's IT infrastructure after a series of network security breaches.
SQL implements VPD using the VIEW object while Oracle10g provides specific functions for row-level security and fine-grained access.
If the "greater than" comparison operator is used with a multiple-row subquery, what type of result will be returned?
Write clearly and concisely about topics related to information systems for decision making using proper writing mechanics and technical style conventions.
Consider the EER diagram for a car dealer in the figure below. Map the EER schema into a set of relations. For the VEHICLE to CAR/ TRUCK/ SUV generalization.
Consider a video game store. For each game, the database contains information about title, producing company name, designer(s) name(s), version of the game, type of the game and characters in the ga
Consider the EER diagram for a car dealer in the figure below. Map the EER schema into a set of relations.
Write a memorandum to Sam Jones (CIO) and present your research findings. Your memorandum should be no longer than 500 words.
Which of the following subnet masks would offer 30 usable subnets with a minimum of 2040 usable hosts per subnet? We have been assigned the IP address in the exhibit. Choose the best answer.
Draw the class diagram which covers all the situations described in the carpark system, showing inheritance, association (aggregation and composition as necessary) and multiplicity. Include all attr
This system will also provide administrators with the ability to create custom reports and filter data based upon a wide variety of information captured from each store.
Describe all the business rules that apply to this problem (relationship and constraint). Using the relationship business rules, establish the correct relationships (1:1, 1: M, M: N) between the ent
Implement a program to query and update the text database for a library using a client/server model allowing multiple clients safe access to the database, and using a producer-consumer model to cont
Identify the Functional Dependencies in R. Be sure to maximize the number of attributes on the right hand side (RHS) and minimize the number of attributes on the left hand side (LHS) of each FD. You
Draw an Entity-Relationship diagram for this database using UML notation. Be sure to include all the entities mentioned above, together with attributes (including primary key attributes).
Construct a relational schema for the ER-diagram. Make sure that you correctly translate Specialization and Many-to-Many relationships. Please follow carefully the following guidelines when you ?nis
Write out the steps of the dialog between the user and the system for the use case Place new order for nursing home employees.
Using ER Assist Tool to draw the ER Diagram for the Company Database. The Requirements were discussed in the class.
Relational Database Concepts and Applications
Describe how that firms likely use or should use Management Information Systems, Information Systems and Information Technology as it relates to the various topics covered in the class.