CIS 336 DeVry All Week Discussions

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CIS 336 DeVry All Week Discussions

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CIS 336 DeVry All Week Discussions

CIS336

CIS 336 DeVry Week 1 Discussion 1

Normal Forms and Entity Relationship Diagrams (graded)

We hear the term database all the time. Give some examples of databases that you interact with on a regular basis. What makes a database relational? What is a file storage system? How does a relational database differ from a file storage system?

 

CIS 336 DeVry Week 1 Discussion 2

Lab Forum (graded)

This area is used to discuss the lab assignments and techniques. Please post any questions you have about the labs or tips that you have discovered during your learning process. At a minimum, post at least three notes that highlight your experience or problems with this week’s lab.

 

CIS 336 DeVry Week 2 Discussion 1

Developing a Good Data Model (graded)

The database data model is the communication link between the designer, applications programmer, and user. Contribute your views on what constitutes a good data model and why.

 

CIS 336 DeVry Week 2 Discussion 2

Lab Forum (graded)

This area is used to discuss the lab assignments and techniques. Please post any questions you have about the labs or tips that you have discovered during your learning process. At a minimum, post at least three notes that highlight your experience or problems with this week’s lab.

 

CIS 336 DeVry Week 3 Discussion 1

Building the Physical Model (graded)

What is the importance of constraints in a physical model? What role do different constraints play in maintaining referential integrity and data integrity?

 

CIS 336 DeVry Week 3 Discussion 2

Lab Forum (graded)

This area is used to discuss the lab assignments and techniques. Please post any questions you have about the labs or tips that you have discovered during your learning process. At a minimum, post at least three notes that highlight your experience or problems with this week’s lab.

 

CIS 336 DeVry Week 4 Discussion 1

Understanding the SELECT statement (graded)

Reports are generated using queries to a database. The SELECT statement is used to retrieve data from one or many tables in a database. Just as in other programming languages, understanding the syntax of a select statement is key. Let’s first discuss the key clauses in a SELECT statement and the purpose of each.

 

CIS 336 DeVry Week 4 Discussion 2

Lab Forum (graded)

This area is used to discuss the lab assignments and techniques. Please post any questions you have about the labs or tips that you have discovered during your learning process. At a minimum, post at least three notes that highlight your experience or problems with this week’s lab.

 

CIS 336 DeVry Week 5 Discussion 1

Getting Data From Multiple Tables (graded)

It is not uncommon to have to retrieve data that resides in several tables, especially when formulating a report. Discuss some of the performance issues when querying three or four tables at a time.

 

CIS 336 DeVry Week 5 Discussion 2

Lab Forum (graded)

This area is used to discuss the lab assignments and techniques. Please post any questions you have about the labs or tips that you have discovered during your learning process. At a minimum, post at least three notes that highlight your experience or problems with this week’s lab.

 

CIS 336 DeVry Week 6 Discussion 1

How Group Functions Differ From Single-Row Functions (graded)

What are some examples of group functions, and how do they differ from single-row functions?

 

CIS 336 DeVry Week 6 Discussion 2

Lab Forum (graded)

This area is used to discuss the lab assignments and techniques. Please post any questions you have about the labs or tips that you have discovered during your learning process. At a minimum, post at least three notes that highlight your experience or problems with this week’s lab.

 

CIS 336 DeVry Week 7 Discussion 1

Database Views (graded)

What are the advantages of selecting data from a view over selecting data from a base table?

 

CIS 336 DeVry Week 7 Discussion 2

Lab Forum (graded)

This area is used to discuss the lab assignments and techniques. Please post any questions you have about the labs or tips that you have discovered during your learning process. At a minimum, post at least three notes that highlight your experience or problems with this week’s lab.