1. LBSC 690 Session #8 SQL and Web Applications Jimmy Lin The iSchool University of Maryland Wednesday, October 22, 2008 This work is licensed under a Creative Commons Attribution-Noncommercial-Share Alike 3.0 United States See http://creativecommons.org/licenses/by-nc-sa/3.0/us/ for details

2. The iSchool University of Maryland Discussion Points Websites that are really databases Deep vs. Surface Web

3. The iSchool University of Maryland Databases in Web Applications Browser Database Browser Client Server network Web Server “Middleware” Web Server Database

4. The iSchool University of Maryland Putting the Pieces Together Web Server HTML CGI Browser SQL Query Results Database

5. select address from employee where employee.surname='Smith' and employee.forenames='Robert'; field table how you want to restrict the rows

6. select dname from employee, department where employee.depno=department.depno and surname='Smith' and forenames='Robert'; field tables to join how you want to restrict the rows how to join