Computer Science Homework Solutions

Which type of database (distributed, centralized or decentralized) to use?

Consider the following normalized relations for a database in a large retail store chain: EMPLOYEE(Emp_Id, Work_Location, Name, Address) STORE(Store_ID, Region, Manager_ID, Square_Feet) DEPARTMENT(Dep_ID, Manager_ID, Sales, Goal) SCHEDULE(Dep_ID, Emp_ID, Date) Assume that a data communications network links a computer ...continues

Relations in the 3NF.

For each of the following relations, indicate the normal form of the relation. Put each relation in the 3NF. a. COURSE (course_id, lab_id, equipment_type), primary key = {course_id, lab_id}. b. COURSE (course_id, lab_id, equipment_type, software_type), primary key = {course_id, Lab_id}, eq ...continues

Draw a Class Diagram for this situation

The following situation describes a company who would like to implement an information system. The company would like to keep track of its employees, departments, and projects. Suppose that the MIS department of the company did the requirements collection and analysis phase and give you a specification report with the following ...continues

Languages that can interface with both relational and OO DBS's.

Which languages can interface with both relational and object oriented databases?

Ebay database does not have referential integrity.

Though there is great risk in implementing a database in this fashion Ebay gained an extreme performance boost because the database didn't have to work as hard to ensure that the data "conformed." So my question is, if the database does not have referential integrity to keep the data clean, how does Ebay ensure that the data ...continues

Develop a Design for a Fleet Truck Maintenance Database change requests 2 & 3

Please reflect the tittle in the database to read something to the effect of: Week 2 Service Change Request SR-ht-003 #2 and #3 Background of Request: Smith Systems Consulting developed entities and attributes for Fleet Truck Maintenance but did not develop the database. In an effort to better document our applications, E ...continues

Develop a UML Use Case and Class Diagram for the Fleet Truck Maintenance database.

Develop a UML Use Case and Class Diagram for the Fleet Truck Maintenance database. Assignment will include a project document of the UML Use Case and Class Diagram and a Presentation of the project

Microcomputer Applications for Management

1. Which of the following is not a cell range? a. B4:C6 b. A1:AA1 c. D3 d. 3D 2. If the value for Revenue is stored in C5 on Sheet1 and the value for Expenses is stored in C6 on Sheet2, the formula, revenue –expense would read: a. =Sheet1@C5-Sheet2@C6 b. =Sheet1$C5-Sheet2$C6 c. =Sheet1!C5-Sheet2!C6 d. =Sheet1!C ...continues

Is normalization more important than user needs?

Please explain to me weather or not normalization is more or less important than the end user's needs? Is this true is normalization less important than the user's needs or what?

CSCI Excel 2003

CSCI Excel 2003. See attached file for full problem description.

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