IBM Books

Net.Data Reference Guide


Appendix I. Glossary

API
Application programming interface. Net.Data supports three proprietary APIs for improved performance over CGI processes.

applet
A Java program included in an HTML page. Applets work with Java-enabled browsers, such as Netscape, and are loaded when the HTML page is loaded.

application programming interface (API)
A functional interface supplied by the operating system or by a separately orderable licensed program that allows an application program written in a high-level language to use specific data or functions of the operating system or licensed program.

BLOB
Binary large object.

CGI
Common Gateway Interface.

cliette
A long-running process that serves requests from the Web server. The connection manager schedules cliette processes to serve these requests.

CLOB
Character large object.

Common Gateway Interface
A standardized way for a Web server to pass control to an application program and receive data back.

connection manager
An executable file, dtwcm.exe, in Net.Data that is needed to support live connection.

database
A collection of tables, or a collection of table spaces and index spaces.

database management system (DBMS)
A software system that controls the creation, organization, and modification of a database and access to the data stored within it.

data type
An attribute of columns and literals.

DBMS
Database management system.

firewall
A computer with firewall software that guards an internal network from external attacks.

flat file interface
A Net.Data language environment that lets you read and write data from plain-text files.

html
hypertext markup language

http
hypertext transfer protocol

hypertext markup language
A tag language used to write Web documents.

hypertext transfer protocl
The communication protocol used between a Web server and browser.

ICAPI
Internet Connectin API.

ICS
Internet Connection Server

ICSS
Internet Connection Secure Server

Internet
An international public TCP/IP computer network.

Internet Connection Server
IBM's unsecure Web server.

Internet Connection Secure Server
IBM's secure Web server.

intranet
A TCP/IP network inside a company firewall.

ISAPI
Microsoft's Internet Server API.

Java
A platform-independent object-oriented programming language especially useful for Internet applications.

language environment
A module that provides access from a Net.Data macro to an external data source such as DB2 or a programming language such as Perl. Some language environments are supplied with Net.Data such as Rexx, Perl, and Oracle. You can also create your own language environments.

live connection
A Net.Data configuration that works with the connection manager and Web server API. Live connection enables database connections to be reused.

LOB
Large object.

NSAPI
Netscape API.

null
A special value that indicates the absence of information.

path
A search route used to locate files.

PERL
An interpreted programming language.

port
A 16-bit number used to communicate between TCP and a higher-level protocol or application.

TCP/IP
Transmission Control Protocol / Internet Protocol

Transmission Control Protocol / Internet Protocol
A set of communication protocols that support peer-to-peer connectivity functions for both local and wide area networks.

URL
Uniform resource locator

uniform resource locator
An address that names a http server and optionally a directory and file name, for example http://www.software.ibm.com/data/net.data/index.html.

Web server
A computer running http server software, such as Internet Connection.


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