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Glossary

access service

The named set of properties, used with a DirectConnect Access Service Library, to which clients connect. Each DirectConnect Server can have multiple services.

access service library

A component of DirectConnect. A service library that provides access to non-Sybase data contained in a database management system or other type of repository. Each such repository is called a “target.” Each access service library interacts with exactly one target and is named accordingly. See also service library.

ACSLIB

The DB2 Access Service Library.

administrative service library

A service library that provides remote management capabilities and server-side support. It supports a number of remote procedures (invoked as RPC requests) that enable remote DirectConnect management. See also remote procedure call, service library.

Adaptive Server Enterprise

The server in the Sybase Client-Server architecture. It manages multiple databases and multiple users, tracks the actual location of data on disks, maintains mapping of logical data description to physical data storage, and maintains data and procedure caches in memory.

ADMLIB

See administrative service library.

APPC

See advanced program-to-program communication.

application program interface

A functional interface, supplied by an operating system or other licensed program, that allows an application program written in a high-level language to use specific data, functions of the operating system, or the licensed program.

ASCII

See American Standard Code for Information Interchange.

ASE

See Adaptive Server Enterprise.

ASE/CIS

Adaptive Server Enterprise/Component Integration Services replaces OmniConnect. An add-on product for Sybase SQL Server that provides a Transact-SQL interface to external data sources, including host data files and tables in other database systems. OmniConnect replaces “OmniSQL Gateway” and “OmniSQL Server.”

catalog stored procedure

A stored procedure that provides information about tables, columns, and authorizations. It is used in SQL generation and application development.

CICS

See Customer Information Control System.

client

In client/server systems, the part of the system that sends requests to servers and processes the results of those requests. See also client/server. Compare with server.

client application

Software that is responsible for the user interface, including menus, data entry screens, and report formats. It also is an application that sends requests to another application that acts as a server. See also client/server.

Client-Library

A library of routines that is part of Open ClientConnect. See also Open ClientConnect.

client services applications

A customer-written CICS program initiated on the host that uses the Sybase API to invoke MainframeConnect for DB2 UDB as a client to DirectConnect or SQL Server. Compare with remote stored procedure.

code page

An assignment of graphic characters and control function meanings to all code points.

configuration file

A file that specifies the characteristics of a system or subsystem.

configuration set

A section into which service library configuration files are divided.

CSA

See client services application.

CSP

See catalog stored procedure.

CT-Library

See Client-Library.

database management system

A computer-based system for defining, creating, manipulating, controlling, managing, and using databases.

DBMS

See database management system.

DirectConnect

A Sybase Open Server application that provides access management for non-Sybase databases, copy management, and remote systems management. Each DirectConnect consists of a server and one or more service libraries to provide access to a specific data source.

DirectConnect Manager

A Sybase Windows application that provides remote management capabilities for DirectConnect products. These capabilities include starting, stopping, creating, and copying services.

DirectConnect for z/OS

A Sybase LAN-based solution that communicates with mainframe host components. It incorporates the functionality of the MDI Database Gateway and the Sybase Net-Library and includes LU 6.2 and TCP/IP support.

DirectConnect Server

The component that provides general management and support functions (such as log file management) to service libraries.

DirectConnect Service

The named set of properties, used with a DirectConnect Service Library, to which clients connect. Each DirectConnect can have multiple services.

DirectConnect Service Library

The component that provides a set of functions within the DirectConnect Server environment.

dynamic link library

A file containing executable code and data bound to a program at load time or run time, rather than during linking. The code and data in a dynamic link library can be shared by several applications simultaneously.

Extended Binary-Coded Decimal Interchange Code (EBCDIC)

A coded character set of 256 8-bit characters.

globalization

The combination of internationalization and localization. See also internationalization, localization.

graphical user interface (GUI)

A type of computer interface consisting of a visual metaphor of a real-world scene, often of a desktop. Within that scene are icons, representing actual objects, that the user can access and manipulate with a pointing device.

InstallShield

The Sybase DirectConnect server installation program. An interactive program that is used to install DirectConnect products and programs that support them.

interfaces file

An operating system file that determines how the host client software connects to a Sybase product. The file must be available on each machine that connects to DirectConnect or other Sybase products.

internationalization

The process of extracting locale-specific components from the source code and moving them into one or more separate modules, making the code culturally neutral so it can be localized for a specific culture. See also globalization. Compare with localization.

library

A named disk area that can contain programs and related information. A library consists of different sections, called library members.

localization

The process of preparing an extracted module for a target environment, in which messages are displayed and logged in the user’s language; numbers, money, dates, and time are represented using the user’s cultural convention; and documents are displayed in the user’s language. See also globalization. Compare with internationalization.

logical unit

A type of unit that enables end-users or programs to gain access to network resources and communicate with each other.

logical unit 6.2

A logical unit that supports general communication between programs in a distributed processing environment. See also advanced program-to-program communication.

LU

See logical unit.

LU 6.2

See logical unit 6.2.

Mainframe Connect

A Sybase suite of products that provide access to mainframe data.

MainframeConnect for DB2 UDB

A Sybase mainframe solution that provides dynamic access to DB2 data. It replaces the OmniSQL Access Module for DB2 and the functionality of the MDI Access Server.

Net-Gateway

A Sybase product that provides communication between a mainframe and a LAN server. Net-Gateway is the “ancestor” of the DirectConnect Transaction Router Service. See also Transaction Router Service.

Net-Library

A Sybase product that lets PC applications become clients of SQL Server or Open Server. See also client, Open Server, SQL Server.

Network ID

A customer-selected name or a registered name that uniquely identifies a specific subnetwork.

Online Transaction Processing

A system that supports database maintenance through an interactive user interface. The user usually requires a response time of less than three seconds.

Open Client

A Sybase product that provides customer applications, third-party products, and other Sybase products with the interfaces required to communicate with Open Client and Open Server applications.

Open ClientConnect

A Sybase product that allows mainframe clients to send requests to SQL Server, Open Server, MainframeConnect for DB2 UDB, and Open ClientConnect using Client-Library. Open ClientConnect provides capability for the mainframe to act as a client to LAN-based resources.

Open Server

A Sybase product that provides the tools and interfaces required to create a custom server.

Open ServerConnect

A Sybase product that provides capability for programmatic access to mainframe data. It allows workstation-based clients to execute customer-written mainframe transactions remotely.

protocol

A set of rules that governs the behavior of computers communicating on a network.

remote procedure call

A stored procedure executed on a different DirectConnect Server from the one onto which a user is logged or on which the initiating application resides.

remote stored procedure

A customer-written CICS program that resides on the mainframe and communicates with MainframeConnect for DB2 UDB. Compare with client services application.

remote systems management

A feature that allows a system administrator to manage multiple DirectConnect Servers and multiple services from a client.

RPC

See remote procedure call.

RSP

See remote stored procedure.

server

A functional unit that provides shared services to workstations over a network. See also client/server. Compare with client.

service

A functionality available to DirectConnect applications. It is the pairing of a service library and a set of specific configuration properties.

service library

A set of configuration properties that determine service functionality. Examples of service libraries include access service libraries, administrative service libraries, and transaction router service libraries. See also access service library, administrative service library, Transaction Router Service Library, transfer service library.

service name redirection

A type of service name resolution that allows a system administrator to map alternative connections to services. See also service name resolution. Compare with direct resolution.

service name redirection file

The default name of the file used for the service name redirection feature. See also service name redirection.

SNA

See Systems Network Architecture.

SNRF

See service name redirection file.

sql.ini

The interfaces file containing definitions for each DirectConnect Server to which a workstation can connect. The file must be on every client machine that connects to SQL Servers. See also interfaces file, libtcl file.

Systems Network Architecture (SNA)

An IBM proprietary plan for transmitting information units through networks and controlling network configuration and operation.

TCP/IP

See Transmission Control Protocol/Internet Protocol.

Transaction Router Service

The DirectConnect program that accepts requests from workstation-based clients and routes them to Open ServerConnect.

Transaction Router Service library

A service library that facilitates access to remote transactions, allowing customers to execute thousands of transactions from virtually any mainframe data source. See also service library.

TRS

See Transaction Router Service.

TRS Library

See Transaction Router ServiceLlibrary.

UNIX

An operating system developed by Bell Laboratories that allows for multiple concurrent programs and users.

utility program

A computer program that supports computer processes, including diagnostic programs, trace programs, and sort programs.

z/OS

An IBM operating system that runs on z/OS mainframes.





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