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Microsoft ® SQL Server ® 2008Ashwani Nanda New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Hands-On IntegratIO

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Microsoft ® SQL Server ® 2008

Ashwani Nanda

New York Chicago San Francisco Lisbon

London Madrid Mexico City Milan

New Delhi San Juan Seoul Singapore

Sydney Toronto

Hands-On

IntegratIOn servIces

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Copyright © 2011 by The McGraw-Hill Companies All rights reserved Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database

or retrieval system, without the prior written permission of the publisher.

ISBN: 978-0-07-173641-1

MHID: 0-07-173641-7

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MHID: 0-07-173640-9.

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To my kids—With practice you can perform impossible tasks easily

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About the Author

Ashwani Nanda develops and maintains marketing, analytical, and CRM-based

database systems for medium- to large-sized enterprises His current area of

specialization is data modeling, database development, business intelligence reporting, and analysis He started his career on real-time mainframe systems back in the age when hard disks used to weigh a kilo per megabyte Moving from system engineering for mainframes to networking and infrastructure support, then to database management and currently to business intelligence, he has worked for several major hardware and software vendors He loves to integrate disparate technologies utilizing the best features

of available applications These days he is using his business intelligence skills to create data visualization reports He can be reached at ananda@AffordingIT.co.uk

About the Technical Editor

Allan Mitchell started his love affair with ETL in SQL Server 7 and Data

Transformation Services He moved on to SSIS with SQL Server 2005 and has traveled the world working with clients big and small who have complex data

integration issues He lives in the UK and is married to Lesley They have a

wonderful son, Ewan

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Contents at a Glance

Chapter 1 Introducing SQL Server Integration Services 1

Chapter 2 Getting Started with Wizards 41

Chapter 3 Nuts and Bolts of the SSIS Workflow 69

Chapter 4 Integration Services Control Flow Containers 109

Chapter 5 Integration Services Control Flow Tasks 135

Chapter 6 Administering Integration Services 225

Chapter 7 Securing Integration Services Packages 269

Chapter 8 Advanced Features of Integration Services 291

Chapter 9 Data Flow Components 333

Chapter 10 Data Flow Transformations 377

Chapter 11 Programming Integration Services 481

Chapter 12 Data Warehousing and SQL Server 2008 Enhancements 535

Chapter 13 Deploying Integration Services Packages 567

Chapter 14 Migrating to Integration Services 2008 595

Chapter 15 Troubleshooting and Performance Enhancements 631

Appendix How to Use the Provided Software 673

Index 677

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Contents

Acknowledgments xix

Introduction xxi

Chapter 1 Introducing SQL Server Integration Services 1

Integration Services: Features and Uses 4

Integration Services Architecture 4

Integration Services Designer and Management Tools 4

Data Warehousing Loading 5

Standardizing and Enhancing Data Quality Features 6

Converting Data into Meaningful Information 7

Data Consolidation 7

Package Security Features 7

Service-Oriented Architecture 8

SSIS Package as a Data Source 8

Programmability 8

Scripting 9

Easy Management of SSIS Packages 9

Automating Administrative Tasks 10

Easy Deployment Features 10

Legacy Support Features 10

What’s New in Integration Services 2008 10

Better Lookup 11

Improved ADO NET Components 12

Powerful Scripting 12

Extended Import and Export Wizard 12

Ability to Profile Your Data 12

Optimized Thread Allocation 13

SSIS Package Upgrade Wizard 13

Taking Advantage of Change Data Capture 13

Benefiting from T-SQL Merge Statement 13

Enhanced Debugging 14

Inclusion of New Date and Time Data Types 14

Where Is DTS in SQL Server 2008? 14

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v i i i H a n d s - O n M i c r o s o f t S Q L S e r v e r 2 0 0 8 I n t e g r a t i o n S e r v i c e s

Integration Services in SQL Server 2008 Editions 15

32-Bit Editions vs 64-Bit Editions 17

Integration Services Architecture 18

Integration Services Service 19

Integration Services Object Model 20

Integration Services Run Time 20

Integration Services Data Flow 20

Installing Integration Services 21

Installing Integration Services on a Clean System 21

Hands-On: Installing SQL Server 2008 Integration Services 22

Installing Integration Services from the Command Prompt 25

Installing Side by Side 26

Upgrading to SQL Server 2008 Integration Services 27

Business Intelligence Development Studio 28

Hands-On: Creating a Blank Integration Services Project 29

SQL Server Management Studio 37

Hands-On: Connecting to Integration Services Service 37

Summary 39

Chapter 2 Getting Started with Wizards 41

Starting SQL Server Import and Export Wizard 43

Hands-On: Importing a Flat File into SQL Server 2008 43

Using Business Intelligence Development Studio 53

Hands-On: Exploring an SQL Server Import and Export Wizard Package Using BIDS 53

Integration Services Connections Project Wizard 63

Analyzing Data Quality with the Data Profiling Task 63

Single-Column Profiles 64

Multiple-Column Profiles 65

Hands-On: Using Data Profiling Task 66

Summary 68

Chapter 3 Nuts and Bolts of the SSIS Workflow 69

Integration Services Objects 70

Solutions and Projects 71

File Formats 73

Fixed Width 73

Delimited 73

Ragged Right 74

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C o n t e n t s i x

Connection Managers 74

ADO Connection Manager 75

ADO NET Connection Manager 75

Cache Connection Manager 76

Excel Connection Manager 76

File Connection Manager 77

Flat File Connection Manager 78

FTP Connection Manager 78

HTTP Connection Manager 78

MSMQ Connection Manager 78

Analysis Services Connection Manager 78

Multiple Files Connection Manager 79

Multiple Flat Files Connection Manager 79

ODBC Connection Manager 80

OLE DB Connection Manager 80

SMO Connection Manager 80

SMTP Connection Manager 81

SQL Server Compact Edition Connection Manager 81

WMI Connection Manager 81

Microsoft Connector 1 0 for SAP BI 81

Microsoft Connector for Oracle by Attunity 82

Microsoft Connector for Teradata by Attunity 83

Data Sources and Data Source Views 84

Data Sources 84

Data Source View 85

SSIS Variables 86

System Variables 87

Hands-On: Using System Variables to Create Custom Logs 87

User-Defined Variables 93

Hands-On: Creating a Directory with User-Defined Variables 95

Precedence Constraints 99

Constraint Options 100

Multiple Constraints 102

Integration Services Expressions 102

Hands-On: Using Expressions to Update Properties at Run Time 105

Summary 107

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