Basic HTML version of Foils prepared September 29, 97

Foil 10 Web-Linked Database Architecture

From Master Set of Foils for 1996 Session of CPS615 NHSE Review Argonne -- September 30 97. by Geoffrey C. Fox, Wojtek Furmanski
Client Web Server Database Server
Traditional approach: C or Perl CGI
Program invoking RDBMS
JDBC (Java Data Base Connection) Has 2 tier (no Web server)
or 3 tier Architecture
JDBC is set of standard Java Methods to access any database
"drivers" map generic methods to particular database
Java code can be at Client (2 tier) Server(3 tier)
or even on the database (Oracle's Java replacement for PL/SQL)

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