Conceptual data model recognizes the highest-level relationships between different entities. It includes
the important entities and the relationships among them, has no attribute or primary key specified.
Logical Data model defines the data in as much det
Case 2: New Team Member
Bob is displaying bad characteristics for any team leader. He is making very biased
generalizations and stereotypes of everyone who is essentially not exactly like him. Bob is not someone
that people will want to work under for ver
Case 1: Office Communication
A problem with this case is communication. Cathy and Joe have different things on their minds. Cathy is
focused on work and what needs to be done and Joe is focused on what happens after work. Cathy
emails everyone on the team
Wedgewood Pacific Corporation Employee Report
First Name #
BUSA526 Database Management
Chapter 5 Questions
Unit 2 Discussion Nudge the Vote
For this discussion, please read the article "Nudge the Vote" at the following link (copy and paste address in browser):
This article is available
2.63 - It is always best to set any referential integrity before entering data because the DBMS can ensure
that values are not being entered that dont exist in another relational table. In this case, the project
table is linked to the department table and
BUSA526 Database Management
1.71. Microsoft Access is a Database Management System (DBMS), but communicates with it through
the use of forms, reports, and queries, which are user-friendly applications that process the requests
without the user seeing the
Create a Month Calendar calculated column in the Date table
Create a Day of Week calculated column in the Date table
Create a Product Subcategory Name calculated column in the Product table
Create a Product Category Name calculated column in th
To create a Category hierarchy in the Product table
To create hierarchies in the Date table
1. In the model designer, right-click the Date table, and then click Create Hierarchy.
2. Rename the hierarchy to Calendar.
3. Add t
All singleton sequences
are <a>, <b>, <c>, <d>
General step, k = 1
<d> cant form patterns so it can be left out
General step, k = 1, gene
A) From the table:
1. The functional dependencies are:
A) Convert this data model to a database design. Specify tables, primary keys, and foreign keys.
Using Figure 6-41 as a guide, specify column properties.
B) Describe how you have represented weak entities, if any exist.
Answer: SALE_ID is an ID-dependent
Create Report 10 Total revenue per customer and year
Exercise What is the total revenue (EUR) achieved by each customer per year?
min Sort the result from the smallest revenue to the highest and use Euro as currency.
Task List the steps necessary
A) Using these data, state assumptions about functional dependencies among the columns of data.
Justify your assumptions on the basis of these sample data and also on the basis of what you
know about retail sales.
From the data it wou