 | Category | varchar(40) | Null | The reservation category: Corporate, Individual, Student or Guest. |
 | Email Address | varchar(50) | Null | An email address in the format local-part@domain-name |
 | Event Id | integer | NotNull | A generated number to identify an event. |
 | Extension Number | VARCHAR(5) | Null | A telephone extension number - all numeric. |
 | First Name | varchar(30) | Null | The person's given name. |
 | Last Name | varchar(40) | Null | Person's surname or family name. |
 | Notes | varchar(160) | Null | Notes made on the registration |
 | Organisation Name | varchar(60) | Null | The name of the company or other organisation. |
 | Phone Number | varchar(30) | Null | Telephone number in the format 999-999-9999 |
 | Reservation Id | integer | NotNull | A generated number to identify a reservation. |