1. Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
Do it now activity
Referential integrity uses each foreign key’s corresponding primary key to ensure that there are no orphan records i.e. it prevents you from deleting related records
Why is this important in a database ?
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity

2. New learning Normalisation stuff goes here Normalisation 1NF 2NF 3NF
Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
New learning
Normalisation stuff goes here
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity

3. Talk Task Go to: ASandA2ict.weebly.com
Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
Talk Task
Go to: ASandA2ict.weebly.com
Click on A2 and then Unit 7 – Lesson 3
Download, save and then open the data file
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity

4. Talk Task The data is currently in 1NF
Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
Talk Task
The data is currently in 1NF
What data would be moved to put the data in 2NF?
What data would be moved to put the data in 3NF?
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity

5. Learning Development Primary and foreign key stuff goes here
Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
Learning Development
Primary and foreign key stuff goes here
Demo creating tables / primary keys and setting up relationships in data base.
No Autonumber for ID’s
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity

6. Independent Task Go to: ASandA2ict.weebly.com
Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
Independent Task
Go to: ASandA2ict.weebly.com
Click on A2 and then Unit 7 – Lesson 3
Download, save and then complete Lesson 3 Activities Worksheet
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity

7. Plenary Upload your activities worksheet to Edmodo
Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
Plenary
Upload your activities worksheet to Edmodo
Reminder – Due Wed 22nd January 2014
Complete Activity 1 for your chosen scenario and upload to Edmodo
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity

8. Identify the Primary and secondary keys in given database scenario
Understand the purpose of normalisation in terms of reducing duplication of data  Understand the purpose of Primary and Secondary Keys in a Database 
Learning
objectives
MB1
(with help)
Normalise data for given scenario by creating ER diagrams and relationships with database software  
Identify the Primary and secondary keys in given database scenario
MB2
(with pointers)
MB3
(independently)
Normalisation
1NF
2NF
3NF
Primary key
Foreign key
Referential integrity