1. Data Types Quiz

2. What is a data type?

3. Here are some examples:
Text
Numbers
List
Decimal Numbers
Yes/No (logical)
Bus,Car,Train
1,2,3,4,5
Choice of answers
1.1, 1.2, 1.3, 1.4
Yes/No, True/False

4. Look at the questions on the sheets in front of you
See if you can think of possible answers to the questions
Write down the data type that you would have for this answer

5. Me! Text Male/female Text/logical 13 Number 10 Number Logical Yes
Question
Possible response
Data Type
What is your name
Are you male or female?
How old are you
On how many days last week did you use public transport
Other than for school did you use a bus last week?
Length of longest journey
What is your Date of Birth?
Me!
Text
Male/female
Text/logical 13
Number 10
Number
Logical
Yes
10 miles
Decimal Number/ text
12/12/1212
Date

6. Databases (2)

7. Today you will: Revise some Database key terms
Learn how to design a database and consider valid and invalid data
Learn how to begin building an electronic Address book database

8. Some questions….. What is a database? Give some examples
In database tables the columns are known as what?
In database tables the rows are known as what?
any collection of information that has something in common
Telephone book, address book
Fields
Records

9. If you wanted to store the contact details of all of your friends you would use an address book
What details (fields) would you need to store?
Address line 1 - 4
Home Telephone Number
First Name
Fields needed
Surname
Male/Female?
Mobile No
Post code
Picture
address
Preferred contact

10. Validation…
Means that the data that you enter into a field must be “valid” or of the correct type
E.g. you wouldn’t be able to enter in the “Name” field

11. Typical data The type of data that is expected
E.g. “Grace” or “Mikey” in the name field

12. Extreme data Data that is outside a validation range
e.g. age 20 in a field that only allows ages from

13. On the sheet in front of you complete your database design….
Make sure that you fill in all the columns

14. We will now learn how to create our own database
We will be using a program called “DataPower”

15. Task: Begin implementing your database using Data power.
If you manage to set up all the fields then begin to collect some information for your database

16. And Finally:
Tell me one thing that you now know that you didn’t before the lesson….
What is a data type?
What is the name of the database software we used?
What is a record?