create a table called tblMyDates with a date type field called mydate
run this script
To manage the prevention of user deletion of records, you need to use a workgropu file to assign permissions to the tables in the database - i.e. record deletion for this table not allowed by users....
More information on how to achieve this is at:
http://support.microsoft.com/default.aspx?scid=%2Fsupport%2Faccess%2Fcontent%2Fsecfaq.asp