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Databases and Access
What is a database?
A database is
a collection of related information
Data is stored in...
Tables
Records
tblTutors
Name
Room Phone
Jenny
Gordon
Ian
Janet
B34D
B34D
B34D
B34A
6717
6851
6854
6708
Fields
Tables are related…
tblTutors
ID Name
Room Phone
1
Jenny
B34D 6717
tblModules
Module Tutor Room
D1-G
1Jenny 131
2
3
4
D1-A
AP-B
IN-K
Gordon
Ian
Janet
B34D
B34D
B34A
6851
6854
6708
1
Jenny
128
Ian
3
B43
Janet 131
4
Primary key –
Foreign key –
unique identifier
provides link
A database consists of…
•
•
•
•
Tables – Storage
Forms – Input
Queries/Reports – Output
Macros/Modules - Automation
Naming Convention
[prefix][tag][BaseName][Suffix]
tblSuppliers
frmSuppliersAndProducts
sfrmProducts
tblCountryLookup
Access is…
A Relational Database Management System
(RDBMS)
Review
• An Access database is a single file
– .mdb extension
– All objects (tables, forms etc.) are stored
inside it
• You can view tables in two ways
– Design View
• Define fields, data types and properties
– Table View
• Browse, enter and edit data
• The primary key for each table is a
unique identifier for each record
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