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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.

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Presentation on theme: "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."— Presentation transcript:

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


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