Server RDBMS Server RDBMS Client 11 00 00 11 00 11 00 11 00 11 000 111111111111 000000000 000 000000000111 111111111 000 111 Server Client RDBMS TCP/IP 11 00 00 11 00 11 00 11 00 11 000 111111111111 000000000 000 000000000111 111111111 000 111 Server RDBMS Client Java GUI, Applet TCP/IP 11 00 00 11 00 11 00 11 00 11 000 111111111111 000000000 000 000000000111 111111111 000 111 Server RDBMS 11 00 00 11 00 11 00 11 00 11 Client Java GUI, Applet JDBC TCP/IP 000 111111111111 000000000 000 000000000111 111111111 000 111 Server RDBMS 11 00 00 11 00 11 00 11 00 11 Client Java GUI, Applet JDBC TCP/IP 000 111111111111 000000000 000 000000000111 111111111 000 111 Exel, Word... ODBC Server RDBMS 11 00 00 11 00 11 00 11 00 11 Client Java GUI, Applet JDBC TCP/IP 000 111111111111 000000000 000 000000000111 111111111 000 111 SQL Terminal Exel, Word... ODBC C−API Server RDBMS 11 00 00 11 00 11 00 11 00 11 Client Java GUI, Applet JDBC 000 111111111111 000000000 000 000000000111 111111111 000 111 SQL Terminal Exel, Word... ODBC TCP/IP Proprietäres Protokoll, etwa Sockets C−API