Web Database Architectures

1
Web Database Architectures

• Dave Hillman

2
2-Tier Simple
Web/Database (Server)
Web Browser (Client)
Database (e.g. Access, Oracle, Sybase)
Web Server (IIS, Apache Netscape)
Via CGI e.g., ASP, Java, C, Perl, etc.
3
2-Tier COM
Web/Database (Server)
Web Browser (Client)
Database (e.g. Access, Oracle, Sybase)
Web Server (IIS)
Database Server Object
Client Object
4
2-Tier -Transactional COM
Web/Database (Server)
Web Browser (Client)
Microsoft Transaction Server
Database (e.g. Access, Oracle, Sybase)
Web Server (IIS)
Database Server Object
Client Object
5
3-Tier Simple
Web Browser (Client)
Web/Database (Server)
Database (Server)
Database (e.g. Access, Oracle, Sybase)
Web Server (IIS, Apache Netscape)
Via the Network
6
3-Tier COM
Web Browser (Client)
Web/Database (Server)
Database (Server)
Database (e.g. Access, Oracle, Sybase)
Web Server (IIS)
Via the Network
Client Object
Database Server Object
7
3-Tier Transactional COM
Web Browser (Client)
Web/Database (Server)
Database (Server)
Database (e.g. Access, Oracle, Sybase)
Microsoft Transaction Server
Web Server IIS
Via the Network
Client Object
Database Server Object
8
3-Tier Distributed COM (DCOM)
Web Browser (Client)
Web/Database (Server)
Database (Server)
Database (e.g. Access, Oracle, Sybase)
Web Server IIS
Via the Network
Database Server Object
Client Object
9
3-Tier Transactional DCOM
Web Browser (Client)
Web/Database (Server)
Database (Server)
Microsoft Transaction Server
Database (e.g. Access, Oracle, Sybase)
Web Server IIS
Via the Network
Database Server Object
Client Object