Chapter Presentation

In this assignment we need to make a video presentation for the design thinking assignment. For this assignment, it is assign for group project same as the design thinking assignment and we need to do chapter 11 which is database. First of all, we decide the topic that we need to present for each member then we made the slide for our presentation. Each member need to present their topic. After that we compile the presentation video. After we present it to the class, we did quiz for the chapter to test their understanding on the chapter presentation 

CHAPTER 11 : DATABASE 

Database is collection of data that is stores in a computer.

Ways to view data ⇒ Physical view

                                   ⇒ Logical view 

Data organization  

• character 
• field 
• record 
• database

Key field 

key field also know as primary key. It is unique identifier for each records such as id number, student id and more .

Batch processing ⇒ Data is collected over a period of time and the processing happens later all at one time.

Real-time processing ⇒ It is happens immediately during the transaction 

5 common data models

• Hierarchical database • Network database • Relational database •  Multidimensional database • Object-oriented database. 

Types of database

• individual database 
• company or shared database
• distributed database
• commercial database