New Trigger to be writted for Ms sql Database

i want a new trigger or procedure to be written when ever a data trys to get added with or anything like above with script in it should never get added or should get deleted automatically by database procedure or trigger I want this to be applied to entire database. please let me know how to do .. this ## Deliverables 1) All deliverables will be considered "work made for hire" under U.S. Copyright law. Employer will receive exclusive and complete copyrights to all work purchased. (No 3rd party components unless all copyright ramifications are explained AND AGREED TO by the employer on the site per the worker's Worker Legal Agreement). ## Platform ms sql 2000