We hope you find these resources useful.
Choosing a Web Calendar
White paper on how to select a web calendar.
Web Calendar Feature Checklists
A checklist spreadsheet you can use to compare web calendar software.

Excel Format
Open Office Format
SQL Test (PDF Format)
Want to test your SQL (Structured Query Language) skills? This 11 question SQL test provides a thorough examination of using the SQL SELECT statement.

The key is available on request.
A photo of some paper calendars.