Getting Started With the SPSS Data Access Technology

8/17/2019 Getting Started With the SPSS Data Access Technology

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Getting Started with SPSS

®

Data Access Technology


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For more information about SPSS® software products, please visit our Web site at

http://www.spss.com or contact

Marketing Department

SPSS Inc.

233 South Wacker Drive, 11th Floor

Chicago, IL 60606-6307

Tel: (312) 651-3000

Fax: (312) 651-3668

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proprietary computer software. No material describing such software may be produced or distributed witho

the written permission of the owners of the trademark and license rights in the software and the copyrigh

in the published materials.

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disclosure by the Government is subject to restrictions as set forth in subdivision (c)(1)(ii) of The Rights in

Technical Data and Computer Software clause at 52.227-7013. Contractor/manufacturer is SPSS Inc., 233

South Wacker Drive, 11th Floor, Chicago, IL 60606-6307.

DataDirect, DataDirect Connect, INTERSOLV, and SequeLink are registered trademarks of MERANT

Solutions Inc.

Windows is a registered trademark of Microsoft Corporation.

UNIX is a registered trademark of The Open Group.

General notice: Other product names mentioned herein are used for identification purposes only and may

trademarks of their respective companies.

Getting Started with SPSS®

Data Access TechnologyCopyright © 2001 by SPSS Inc.

All rights reserved.

Printed in the United States of America.

No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form or

any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written

permission of the publisher.


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3

Chapte

1

Overview

SPSS® products can access data from a variety of data file types, including databases

SPSS products are distributed with technologies for accessing data from a database

Merant DataDirect® SequeLink ® and Merant DataDirect Connect® ODBC, and

Merant DataDirect Connect® JDBC.

This guide presents factors to consider when deciding which data access

technology to use with your SPSS product, and then provides an overview of

deploying a data access technology at your site. It is primarily for SPSS system

administrators who are installing an SPSS product for use in a networked computer

environment, and who need to provide end users access to databases on remote

servers.

The Merant technologies are:

SequeLink. A scalable, server-based middleware that offers high-performance

connectivity to remote relational databases. SequeLink consists of two components

a single, thin, universal SequeLink client component and a SequeLink Server (a

common server DBMS interface). The universal client component provides direct,

point-to-point connections from client to server, completely eliminating the need fo

proprietary database vendor transport middleware, such as Oracle SQL*NET, Oracl

Net8, Informix I-Connect, or Sybase Open Client.

Connect ODBC. A comprehensive set of individual, database-specific drivers that us

ODBC to deliver reliable connectivity to all major data stores, from relational

databases to flat-file data. Connect ODBC leverages your existing database vendor

transport middleware, such as Oracle SQL*NET, Oracle Net8, Informix I-Connect, o

Sybase Open Client.


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4

Chapter 1

Connect JDBC. Connect JDBC supports the JDBC API. Connect JDBC drivers are Type

4 JDBC drivers that provide connectivity for the enterprise Java environment. If you

are a Java developer and want to access data from Java applets or applications, consider

using Connect JDBC.


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5

Chapte

2

Choosing aData Access Technology

This chapter presents factors to consider when deciding which database technology t

use with your SPSS product.

Before you continue, consider if you need to deploy a database access technolog

at your site. If you are installing an SPSS product for use in a networked computer

environment and you need to provide end users access to databases on remote servers

the SPSS data access technology can make your job simpler. Many databases are

supported (see Table 4-1, Table 4-2, and Table 5-1). Note that these technologies ar

“closed”—they can be used only with SPSS products. If you want to access database

with other applications, you may require a more general solution.

Factors to Consider

Consider the following factors when choosing between SequeLink and

Connect ODBC:

! What type of database access does your SPSS product support?

! What type of database do you want to access?

! Is a system administrator or other database support person available?

! Has your site already invested in database vendor transport middleware?

! Where is the database running?

What type of database access does your SPSS product support? If your SPSS product

supports ODBC database access, you have a choice between SequeLink and Connec


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Chapter 2

ODBC. If your SPSS product supports JDBC, you can use SequeLink or Connect

JDBC. Table 3-1 lists database access technology for SPSS products.

What type of database do you want to access? SequeLink is designed to retrieve datafrom relational databases efficiently. If the database is not relational (for example,

Btrieve, dBASE, and Paradox) or your data are from an application that is not a

database (for example, Excel and Text), use Connect ODBC.

Is a system administrator or other database support person available? SequeLink has a

server component that must be installed, configured, and maintained by a system

administrator. If you do not have that type of support at your site, use Connect ODBC.

Has your site already invested in database vendor transport middleware? If your site

already has database middleware (for example, Oracle SQL*NET, Oracle Net8,

Informix I-Connect, or Sybase Open Client) deployed at your site, and you want to

continue to use it, use Connect ODBC. Connect ODBC uses your existing database

middleware.

Where is the database running? If your database is running on the same computer as the

SPSS product that is accessing and processing data, use Connect ODBC. If your

database is on a remote server, use SequeLink. SequeLink has an efficiency advantage

over Connect ODBC when the data have to be transported over a network.

Note: Connect JDBC is also available for Java developers who want to access data from

their applications.

Summary

In general it is best to use SequeLink when:

! Your data are stored in a relational database.

! You have a system or database administrator at your site.

! Your database resides on a remote server.

! You do not already have native database transport middleware.

Because SequeLink has a single, universal client and does not require database vendortransport middleware, it is simpler to configure and administer than Connect ODBC.

In general it is best to use Connect ODBC when:

! Your data are stored in a non-relational (flat) database or in an application that is

not a database (for example, Excel).


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Choosing a Data Access Technolog

! Your site already has native database transport middleware and you want to kee

using it.

! Your database resides on the same computer as the SPSS product that is accessin

and processing data.


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8

Chapte

3

Deploying aData Access Technology

Once you decide which data access technology to deploy, you need to install and

configure the software. This chapter presents an overview of what gets installed an

configured, where, and by whom.

The administrator installs the SequeLink server on the database computer. The

SequeLink client must also be installed on the computer that is accessing the data—

the computer where the SPSS server product is running.

Either the administrator or the end user can install the appropriate Connect ODBC

drivers. (Connect ODBC does not have a server component.) The drivers must be

installed on the computer that is accessing the data—the computer where the SPSS

server product is running, the end user’s desktop computer, or both.

ODBC Data Sources

Both Connect ODBC and SequeLink ODBC edition use an ODBC data source to

connect to the database. When you install Connect ODBC, you install one or more

ODBC drivers. When you install the SequeLink ODBC client, you install a

SequeLink ODBC driver. Before you can use an installed driver, you must create an

configure an ODBC data source for that driver.

An ODBC data source consists of two essential pieces of information: the ODBC

driver that will be used to access the data and the location of the database that youwant to access. The database can reside on any networked computer. The ODBC

driver and data source have to reside on the computer that is accessing and processin

the data. Depending on the type of SPSS application that you are using, that can be

either an end user’s desktop computer or a remote SPSS server.


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Deploying a Data Access Technolog

Note: SequeLink has a JDBC client. This discussion does not apply to that client. F

more information about SequeLink JDBC editions, refer to the Merant documentatio

For instructions about how to install this documentation, see “SequeLink

Documentation” on p. 12.

Location of ODBC Data Sources for Desktop Products

If your SPSS product is a classic desktop application, where all data access and

processing occurs on the end user’s desktop computer, then the ODBC data source h

to be installed and configured on the end user’s desktop computer.

Location of ODBC Data Sources for Distributed Architecture Products

If your SPSS product uses distributed architecture, then the correct location for

ODBC data sources depends on how the product is being run. SPSS distributed

architecture products can be configured to access and process data on a remote SPS

server (distributed analysis mode) or on the end user’s desktop computer (local

analysis mode).

! Working in distributed analysis mode. The ODBC data source has to be installed an

configured on the remote SPSS server. This data source is created using the ODB

driver (Connect ODBC or SequeLink ODBC client) that the administrator installe

on the server.

! Working in local analysis mode. The ODBC data source has to be installed and

configured on the end user’s desktop computer. This data source is created by th

end user using the ODBC driver (Connect ODBC or SequeLink ODBC client)

installed on his desktop computer, or it is imported from sources created by the

administrator.

! Working in both modes. If end users need to access data from the database in bot

modes, the ODBC data source has to be installed and configured on both the remo

SPSS server and the desktop computer.

Software

The SPSS product CD contains all of the software that you need to deploy your chose

data access technology. See the SequeLink Server and SPSS Data Access Pack


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Chapter 3

installation instructions in the documentation subdirectory on your product CD-ROM

for details.

SPSS Product Architecture and Database Access

The following table shows SPSS application architecture and database access

technology by product.

Table 3-1

Application architecture and database access

Application Architecture Uses

AnswerTree desktop (if it does notinclude AnswerTreeServer)

ODBC

AnswerTree Server distributed ODBC

Clementine distributed ODBC

DecisionTime desktop (if it does notinclude DecisionTimeServer)

ODBC

DecisionTime Server distributed ODBC

SPSS for Windows desktop (if it does notinclude SPSS Server)

ODBC

SPSS Server distributed ODBC

SPSS Batch Facility NA ODBC


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Chapte

4

Getting Startedwith SequeLink

This chapter presents an overview of how to deploy SequeLink at your site.

SequeLink is scalable, server-based middleware that offers high-performance

connectivity to remote relational databases. SequeLink consists of two components

! A server component that passes requests to a database engine.

! A client component that communicates requests for data to the server componen

SequeLink is one of the database access technologies available with this SPSS

product. Another is Connect ODBC. For information about choosing the appropriat

database access technology, see Chapter 2.

Who Should Install SequeLink

You should install SequeLink if:

! You are a system administrator for an SPSS product

and

! You want to configure the SPSS product to access and process data from a remote

relational database

and

! You want to use SequeLink to access databases.


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Chapter 4

Installation and Configuration Overview

Installation and configuration of SequeLink consists of the following basic steps:

! Install the SequeLink Server on the database computer.

! Install the SequeLink Client, which includes a SequeLink ODBC driver, on the

computer where you will create data sources.

! Create SequeLink data sources.

! Create ODBC data sources using the SequeLink ODBC driver and your SequeLink

data sources.

SequeLink Documentation

The SPSS data access technology software includes extensive SequeLink

documentation from Merant. This documentation is highly recommended for

SequeLink administrators.

Installing SequeLink Documentation

Windows. To install the SequeLink online documentation on Windows:

E Insert the SPSS product CD into the CD-ROM drive.

E Choose Install SPSS Data Access Pack.

E Choose Custom setup type.

E Click to expand the Online Documentation tree, and select SequeLink Documents.

UNIX. To access the Merant SequeLink documentation on UNIX computers, use

Acrobat Reader to read /Merant/Books/Sequelnk/books.pdf , which contains links to all

of the SequeLink documentation. If you do not already have Acrobat Reader, you caninstall it from your SPSS product CD-ROM.


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Getting Started with SequeLin

Installing Acrobat Reader

Windows. To install Acrobat Reader, insert your SPSS product CD into the CD-ROM

drive. The AutoPlay feature presents a menu. To run the Setup program, choose Inst

Acrobat Reader and follow the instructions that appear on the screen.

UNIX. You can either follow the Windows instructions to install Acrobat Reader on

Windows computer, or you can install a version of Acrobat Reader for UNIX (include

with this product). Select the file for your operating system from the /Acrobat/unix

directory on the product CD-ROM, uncompress the file, and refer to Instguid.txt for

installation instructions.

SequeLink Server This section provides an overview of SequeLink Server installation and configuratio

SequeLink Server for Windows

Before you install:

! Decide what database(s) you want to access. Available database servers for

Windows NT and 2000 are listed in Table 4-1.

! Make sure that the database is installed and running.

http://-/?-http://-/?-


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Chapter 4

Table 4-1

SequeLink servers on Windows

For more information, see the SequeLink Server and SPSS Data Access Pack

installation instructions in the documentation subdirectory on your product CD-ROM.

The SequeLink Getting Started guide in the SequeLink documentation is also highly

recommended. For instructions about how to install the SequeLink documentation, see

“SequeLink Documentation” on p. 12.

Installing SequeLink Server for Windows installs the following components:

! The SequeLink Server Administrator, which is software that manages instances of

SequeLink Server. Use it to configure and control SequeLink Server. You can start

and stop servers, view and change configuration settings, and monitor and control

run-time operations.

! A SequeLink Server that handles communications with your database.

! A Windows service that runs the SequeLink Server.

Operating System Database

CD-ROM File Location:

\merant\SLServer\win32

Windows NT 4.0Windows 2000

DB2 6.1DB2 7.1

sl51db2.zip


Informix Dynamic Server 7.3+Informix Dynamic Server withUniversal Data Option 9.14Informix Dynamic Server 2000 9.20

sl51inf.zip

Windows NT 4.0 Oracle 7.3.2+Oracle 8i R1, R2, and R3

sl51ora.zip

Windows 2000 Oracle7.1, 7.2, 7.3, 8.04, and 8i sl51ora.zip


SQL Server 7.0SQL Server 2000

sl51sqlsrvr.zip


Sybase Adaptive Server 11.5+Sybase Adaptive Server 11/9

Sybase Adaptive Server Enterprise 12

sl51syb.zip


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SequeLink Servers for UNIX

Available database servers for UNIX are listed in Table 4-2.

Table 4-2

SequeLink servers on UNIX

OS Database CD-ROM Location:

Merant/SLServer/

AIX 4.2.xAIX 4.3.x

DB2 6.1DB2 7.1

aix/sldb2.tar

AIX 4.2.x

AIX 4.3.x

Informix Dynamic Server 7.3+Informix Dynamic Server withUniversal Data Option 9.14Informix Dynamic Server 2000 9.20

aix/slinf.tar

AIX 4.2.0AIX 4.2.1AIX 4.2.1+ AIX4.3.x

Oracle 7.3.2+Oracle 8.06+Oracle 8i R2 (8.1.5)Oracle 8i R2 (8.1.6)Oracle 8i R3 (8.1.7)

aix/slora.tar

AIX 4.2.xAIX 4.3.x

Sybase Adaptive Server 11 11.5+Sybase Adaptive Server 11 11.9Sybase Adaptive Server Enterprise12

aix/slsyb.tar

Digital UNIX(Alpha) 4.0

Oracle 7.3.2Oracle 8.06+Oracle 8i R2 (8.1.5)

Oracle 8i R2 (8.1.6)

digital_unix/slora.tar

HP-UX 11.0 DB2 6.1DB2 7.1

hpux/sldb2.tar

HP-UX 11.0 Informix Dynamic Server 7.3+Informix Dynamic Server withUniversal Data Option 9.14Informix Dynamic Server 2000 9.20

hpux/slinf.tar

HP-UX 11.0 Oracle 7.3.2+Oracle 8.06+Oracle 8i R2 (8.1.5)Oracle 8i R2 (8.1.6)Oracle 8i R3 (8.1.7)

hpux/slora.tar

HP-UX 10.20HP-UX 11.0

Sybase Adaptive Server 11.5+Sybase Adaptive Server 11.9Sybase Adaptive Server Enterprise12

hpux/slsyb.tar


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Chapter 4

For more information, see the SequeLink Server and SPSS Data Access Pack

installation instructions in the documentation subdirectory on your product CD-ROM.

The SequeLink Getting Started guide in the SequeLink documentation is also highly

recommended. For instructions about how to install the SequeLink documentation, see

“SequeLink Documentation” on p. 12.

SequeLink Clients for Windows

This section provides an overview of installation and configuration of the SequeLink

ODBC client on Windows. For more information, see the SequeLink Getting Started

guide in the SequeLink documentation. For instructions about how to install these

documents, see “SequeLink Documentation” on p. 12. SequeLink also has a JDBC

client—the Getting Started guide covers this, too.

Before You Install Decide where you should install the SequeLink client. (See Chapter 3.)

OS Database CD-ROM Location:

Merant/SLServer/

Solaris 2.6

Solaris 7Solaris 8(SPARC)

DB2 6.1DB2 7.1 solaris/sldb2.tar

Solaris 2.6Solaris 7Solaris 8(SPARC)

Informix Dynamic Server 7.3+Dynamic Server with UniversalData Option 9.14Dynamic Server 2000 9.20

solaris/slinf.tar


Oracle 7.3.2+Oracle 8.06+Oracle 8i R2 (8.1.5)Oracle 8i R2 (8.1.6)Oracle 8i R3 (8.1.7)

solaris/slora.tar


Sybase Adaptive Server 11.5+Sybase Adaptive Server 11.9Sybase Adaptive Server Enterprise12s

solaris/slsyb.tar


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Installing SequeLink Client

Installing the ODBC SequeLink client installs the following components:

! A network TCP/IP communication module

! A SequeLink ODBC driver

SequeLink clients are also available for UNIX. See the SPSS Data Access Pack UNI

installation instructions in the documentation subdirectory on your product CD-RO

for more information.

Connecting to Your Database

After you have installed the SequeLink Server and client, you need to connect the clie

to the database. For SequeLink ODBC edition, you connect to your database and

access data using an ODBC data source.

A SequeLink ODBC data source, which you create with the Windows ODBC

Data Source Administrator, consists of an ODBC driver and a SequeLink data

source. The ODBC driver was installed with the client. You must create the SequeLin

data source. The SequeLink data source contains information about which database

access and how to access it. See the SequeLink Getting Started guide in the SequeLin

documentation for information on planning and configuring data sources. Chapter 2

the SequeLink Administrator’s Guide has additional information about creating,configuring, and exporting SequeLink data sources.For instructions about how to

install the SequeLink documentation, see “SequeLink Documentation” on p. 12.

Remember to create the SequeLink data source on the computer that is

accessing the data. Most of the time this will be the computer that is running th

SPSS product’s server.


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Chapter 4

What End Users Need to Know

Users who are accessing data from their desktop computers need to know:

! Which SequeLink client to install.

! How, and from where, to import SequeLink data sources pre-configured by the

administrator.

Users who are working in distributed mode, where the data are being accessed by a

server, need to know:

! The names and descriptions of SequeLink ODBC data sources that the

administrator has configured on the remote SPSS server.

! How to log in to the database.


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Chapte

5

Getting Started withConnect ODBC

This chapter presents an overview of how to deploy Connect ODBC at your site. It

describes the basics of installing and configuring Connect ODBC on Windows.

Connect ODBC is a comprehensive set of individual, database-specific drivers tha

use ODBC to deliver connectivity to all major data stores, from relational database

to flat-file data. Your site must already have database middleware installed (for

example, Oracle SQL*NET, Oracle Net8, Informix I-Connect, or Sybase Open

Client).

Connect ODBC is one of the database access technologies available with this SPS

product. Another is SequeLink. For information about choosing the appropriate

database access technology, see Chapter 2.

Who Should Install Connect ODBC

Administrators should install the Connect ODBC drivers if:

! You will configure an SPSS distributed architecture product to access and proces

data on a remote SPSS server (distributed analysis mode) instead of the end user’

desktop computer (local analysis mode)

and

! You want to use Connect ODBC to access databases.


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Chapter 5

Your end users should install the Connect ODBC drivers if:

! They want to use Connect ODBC with an SPSS distributed analysis product to

access and process data on their desktop computers

or

! They want to use Connect ODBC with an SPSS desktop product.

Installation and Configuration

Installation and configuration of Connect ODBC consists of the following basic steps:

E Install Connect ODBC on the computer where you will create data sources.

E Create ODBC data sources using the Connect ODBC drivers that you installed.

Where you install the Connect ODBC and create the data sources depends on what type

of SPSS product you are installing and how it will be used. (See Chapter 3.)

Before You Install

! Decide which driver(s) you need. Drivers are database-specific. The available

drivers are listed in Table 5-1.

!Make sure that the computer meets the software requirements for the drivers youplan to install. All required software must be 32-bit compliant. Software

requirements are listed in Table 5-1.

http://-/?-http://-/?-http://-/?-http://-/?-


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Getting Started with Connect ODB

Table 5-1

Connect ODBC Drivers

Driver Supports Database(s) Software Requirements

Btrieve Btrieve version 6.xPervasive.SQL 7.x and 2000

Brieve Developer’s Kit or Workstationdatabase engine orClient/serverdatabase engine or Pervasive.SQLclient.

DB2 UBD DB2 Universal Database ver-sions 6 and 7, Server version

None.

DB2 OS/390 DB2 for OS/390 version 6,Server version

None.

dBase dBase III, IV, and VClipper

FoxPro 2.5 and 3.0 files

None.

FoxPro FoxPro 3.0 database contain-sers

ole32.dll (typically provided with theWindows operating system).

Informix Informix 7.x and 9.x Informix Connect 2.x or Informix Client Software Developer’s Kit 2.x

Informix DynamicServer

Informix 9.x None.

Oracle 7 Oracle 7.x and 8.x Oracle SQL*Net.(SQL *Net DLLs and ociw32.dll musbe on your path.)

Oracle 8 Oracle 7.3.4 and higherOracle 8.0.5 and higher Net8 Client version 8.0.4 or higher.(Oracle Net8 DLLs must be on yourpath.)

Paradox Paradox 3.x, 4.x, 5.x. 7.x, 8.x,and 9.0 tables

Borland database engine from BorlanC++, Delphi Paradox 7, or Paradox 8.(Idapi32.dll must be on your path or iyour Windows system directory.)

Progress PROGRESS 7.3c and 8.x PROGRESS Version 8.2A Client Networking.IDLC environment variable set to youPROGRESS DLC directory.

SQLBase Centura Software SQLBase

6.5, 7.0, and 7.5

A communication DLL (for example,

SQLNPIPE.DLL for Named Pipes) onyour path.Sqlwntm.dll and sqlngci.dll must be oyour path or in your Windows 95/98System or NT System32 directory.


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Chapter 5

Microsoft Access

A Microsoft Access driver is not included with Connect ODBC. If you need a

Microsoft Access driver, you can either install it from your Microsoft software, or you

can install it you can install it from your SPSS product CD-ROM—see the SPSS Data

Access Pack installation instructions in the documentation subdirectory on your

product CD-ROM for details.

Installation

Decide where you should install the Connect ODBC driver(s) and configure the ODBC

data sources. (See Chapter 3.)

Choose a custom installation, which allows you to install the database-specific

drivers that you select. After installation, drivers will appear in the Windows Control

Panel ODBC Data Source Administrator Drivers tab with names starting with SPSS

OEM . See the SPSS Data Access Pack installation instructions in the documentationsubdirectory on your product CD-ROM for details.

Driver Supports Database(s) Software Requirements

SQL Server 6 SQL Server 6.x with supportfor catalog stored procedures

Appropriate DB-Library and Net-Library.

Ntwdblib.dll on your path or in yourWindows system directory.

SQL Server SQL Server 6.5, 7.0, and 2000 Microsoft SQL Server Client software.

Sybase Sybase System 10 and 11,Sybase 4.9.2Adaptive Server 11.5 and 11.9

Sybase Open Client Library, version10.0.4 or higher.Sybase environment variable set to yourSybase Open Client directory.

Sybase ASE Adaptive Server 11.0 andhigher

None.

Text ASCII text files None.

XML Internet Explorer 5.0 dataislandsADO persisted XMLXML with schemas

Internet Explorer 5.0 or higher.


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Getting Started with Connect ODB

Connecting to Your Database

Connect ODBC is a set of ODBC drivers—when you install it, you install drivers.

Before you can use an installed driver, you must create and configure an ODBC dat

source for that driver.

An ODBC data source consists of two essential pieces of information: the ODB

driver to be used to access the data, and the location of the database that you wan

to access.

The data source must be created on the computer that will be accessing the data.

! Administrators who are setting up Connect ODBC drivers for distributed analys

mode should, on the computer that is running the SPSS product’s server, create an

configure ODBC data sources for the drivers that are installed.

! End users who want to use Connect ODBC drivers for local analysis mode or fo

desktop products should, on their local desktop computer, create and configure

ODBC data sources for the drivers that are installed.

Windows. Use the Windows ODBC Data Source Administrator control panel to crea

the data sources.

UNIX. An ODBC Data Source Administrator does not exist on UNIX. You create an

configure an ODBC data source by editing the odbc.ini file with a text editor. The

odbc.ini file is installed with the drivers. See the Configuring Drivers and Data

Sources section in the Installation on UNIX chapter of the Connect ODBC Installatio

Instructions for detailed instructions. (The Connect ODBC Installation Instructionscan be accessed by opening /Merant/Books/ConnectODBC/books.pdf on your produ

CD-ROM.)

What End Users Need to Know

For local analysis mode and SPSS desktop products, end users need to know:

! Which Connect ODBC drivers to install.

!

How to configure ODBC data sources for the Connect ODBC drivers, includingdatabase login information.

For distributed analysis mode, end users need to know the names and descriptions

Connect ODBC data sources that the administrator has configured on the remote

SPSS server.