1. GCSE COMPUTER SCIENCE
Topic 3 - Data
3.5 Databases

2. This presentation covers the following content from the specification
Students should:
3.5.1 understand the characteristics of structured and unstructured data
3.5.2 understand that data can be decomposed, organised and managed in a structured database (tables, records, fields, relationships, keys)

3. Structured & Unstructured Data
You need to be able to name some examples of structured and unstructured data.
Unstructured Data
Photos
Presentations
Videos
Documents
Structured Data
Phone Book
Address Book
Customer Details
Train Timetable
Databases are used to store structured data.
DEFINITION
A database is an organised and persistent store of data.

4. Key Terms Field One piece of information. Record
All of the data or information about one item.
Primary Key
A unique identity for each record.
Table
Stores all of the information about one particular category.
Student_ID
First_Name
Last_Name
Address
DOB
Gender 1
Peter
James
310 Brook Lane
21/05/1985
Male 2
Tony
Jackson
7 Somerset Avenue
15/12/1992 3
Sarah
Jones
35 East End Lane
6/08/1980
Female
ACTIVITY
Write the four key definitions in your exercise book.

5. Activity 1
Can you find an example in this database showing a primary key, field, record and table?
Primary Key ID
Name
Breed
Gender
Date_Of_Birth
Enclosure
Capacity
Headkeeper
C009
Toni
Tiger
Male
30/6/1982
Big Cats 12
J Milner
C015
Andrew
Lion
Female
18/6/2009
A007
Chimpy
Chimpanzee
19/7/2011
Ape House 50
S Larkin
Record
Table
Field

6. Stick the table it in the middle of the green piece of A5 card
Activity 2a (v2)
Getting Started
PART 1
Stick the table it in the middle of the green piece of A5 card
Game ID
Title
Platform
Genre
Release Date

7. THESE ARE MIXED UP AND ARE NOT IN THE CORRECT ORDER – DO NOT COPY THEM
Activity 2a (v2)
Instructions
PART 2
Write in the elements below in the correct place and group them to form records for each video game.
Pacman
Halo
Super Mario Bros.
Wii Sports
Minecraft
Arcade
Survival
First Person Shooter
Platform
Sports
NES
Xbox
Wii PC
1985
1980
2001
2006
2009 05 03 02 04 01
THESE ARE MIXED UP AND ARE NOT IN THE CORRECT ORDER – DO NOT COPY THEM

8. Turn the A5 sheet into a revision poster by:
Activity 2b (v2)
PART 3
Instructions
Turn the A5 sheet into a revision poster by:
Adding Databases as the title
Labelling the primary key and write a definition of the term.
Labelling a field and write a definition of the term.
Labelling a record and write a definition of the term.
Labelling the table and write a definition of the term.

9. Correct Groups Game ID Title Platform Genre Release Date 01 Pacman
Arcade
1980 02
Halo
Xbox
First Person Shooter
2001 03
Minecraft PC
Survival
2009 04
Wii Sports
Wii
Sports
2006 05
Super Mario Bros.
NES
1985

10. Each term and definition needs to be written neatly into your workbook
Databases
Terminology
Each term and definition needs to be written neatly into your workbook

11. A database with a single table
Database Terminology
TERM
Flat File Database
DEFINITION
A database with a single table

12. A database that consists of more than one table
Database Terminology
TERM
Relational Database
DEFINITION
A database that consists of more than one table

13. A field in one table that uniquely identifies records in another table
Database Terminology
TERM
Foreign Key
DEFINITION
A field in one table that uniquely identifies records in another table

14. Database Terminology TERM Compound Key DEFINITION
A key that consists of two or more fields used to identify a record uniquely

15. A user interface used to input data into a database
Database Terminology
TERM
Form
DEFINITION
A user interface used to input data into a database

16. A query is used to search a database
Database Terminology
TERM
Query
DEFINITION
A query is used to search a database

17. Used to format and print out information from a database
Database Terminology
TERM
Report
DEFINITION
Used to format and print out information from a database

18. Activity 5
Database Summary
In your workbooks copy the database summary on page 138 of the textbook

19. Activity 6
Crossword
Create a crossword based on Databases. Use the terminology from your books. It should have a minimum of 10 questions.
When you have finished, paste your crossword on to a Powerpoint slide and name it 3.5 Databases
Print out one copy (include your name) and stick it in your book.
puzzle maker criss-cross

20. Activity 6 Keywords Database Field Record Unstructured Data
Primary Key
Foreign key
Query
Relational Database
Compound Key
Report
Table
Structured Data
Flat file Database
Form