3. Data dictionary - an example

There are a number of reasons why a database is the most suitable application for storing information.

Field Name

Data Type

Other information

CustomerID

Autonumber

Primary key field

Title

Text

Lookup: Mr, Mrs, Miss, Ms

Field size 4

Surname

Text

Field size 15

Indexed

FirstName

Text

Field size 15

DateOfBirth

Date/Time

Format: Medium Date

Range check: >=01/01/1930

HomeTelephone

Text

Field size: 12

Presence check

 

challenge see if you can find out one extra fact on this topic that we haven't already told you

Click on this link: Data Dictionary