POS 410 (SQL for Business)
Week 1 DQ 1
How would you define a relational database?
Week 1 DQ 2
What is “normalization” and why do we normalize DBs?
Week #2 DQ 2
Describe some of the differences between SQL and procedural programming languages such as C and VB?
Week 2 Table Queries
POS 410 Week 2 Individual Assignment – Table Queries.sql
POS 410 Week 2 Individual Assignment – Table Queries – Screenshot.jpg
Week #3 DQ 1
Pathivadr’s (2009) article addresses a fundamentally critical function in the relational model DB—referential integrity.
· What is referential integrity?
· What is Pathivada trying to accomplish that involves suspending it?
Week #3 DQ 2
· Anil Nori (2007), from the Week 1 readings: What is the objective of this article? Choose section 1 OR 2 and describe is views. Don’t try to give a detailed summary. I am looking for your understanding of the trends and ideas expressed.
(Week 3 Individual Assignment Data Changes & SQL Statement)
Individual Assignment Data Changes and SQL Statements – Screenshots.jpg
POS 410 Week 3 Individual Assignment Data Changes and SQL Statements.sql
POS 410 Week 3 Team Assignment – B.sql
POS 410 Week 3 Team Assignment – C.sql
Week #4 DQ 1
In the Zhang & Huang (2007) article, the authors propose introducing a CLUSTER BY clause into SQL. What functionality does their proposed clause provide? How might your current or previous workplace use it in a SQL query?
Week #4 DQ 1
Based on the Cerullo & Porta (2007) article, what is your opinion of visual approaches? Provide an explanation that supports your opinion.
(Week 4 individual Assignment SQL Reports)
POS 410 Week 4 Individual Assignment SQL Reports.sql
POS 410 Week 4 Individual Assignment SQL Reports – Screenshot.jpg
Week #5 DQ 2
Multiple WHERE statements can accomplish almost everything that a UNION can. TRUE OR FALSE. Justify your answer. This question is not asking which method is the best choice. It is simply asking is it possible.
POS 410 Week 5 Team Assignment – B.sql
POS 410 Week 5 Team Assignment – D.sql