1. Week 9 – Databases

2. Topics this week Transmission media Networks The Internet of Things
Media in Oman
Networks
Switching
The Internet Protocol
The Internet of Things
Newer applications of and telecommunications
RFID
GPS

3. Last name First name Address
Database Basics
Databases consist of Records Records consist of Fields Your HR record might look like this:
Field Field Field
Last name First name Address

4. Database Basics
If we kept this employee information, what would a record look like? Draw it out.
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

5. Database Basics
SQL access to information Structured Query Language (SQL) SELECT TITLE, CATEGORY FROM DVD_STORE WHERE CATEGORY = 'Thriller' and RENTPRICE < 5 The program will pull a field (or two) from a database if a field is equal to some value.

6. Database Basics
If we kept this employee information, how would you get the names of all employees who worked in the marketing department?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

7. Database Basics
How might I use this information to print out a pay check?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

8. Database Basics
How would I calculate all the wages paid last week in the marketing department?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

9. Database Basics
How would I list all the employees supervised by Abdul Said?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

10. Database Complications
If we kept this employee information, how would you get the names of all employees who had an MBA?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

11. Database Complications
What if I wanted to store the names of all the customers an employee sold a product to last week?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

12. Database Complications
What if I wanted to know which employee sold the most products last week?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

13. Database Complications
What if I wanted to know which employee has increased sales the most over the last six months?
Last name
First name
Address
Department
Hours worked
Hourly salary
Job title
Supervisor’s name
Work place qualifications (degrees, certificates, professional designations)

14. Database Example
You want to track sales for Lulu’s HyperMarket. What records might you use to track this information: Customer name, address, age, number of children, all the products he bought today. All the products he bought in any visit in the last 90 days. For the products we want to know product name, size, UPC number, quantity, department, unit cost, unit price, profit, wholesaler. How would you calculate the amount of profit he generated for your company in the last 90 days?

15. Review
What are 3 things from today’s class you want to remember?