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Microsoft SQL Server 2012 Integration Services: An Expert Cookbook

You're reading from   Microsoft SQL Server 2012 Integration Services: An Expert Cookbook Over 80 expert recipes to design, create, and deploy SSIS packages with this book and ebook

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Product type Paperback
Published in May 2012
Publisher Packt
ISBN-13 9781849685245
Length 564 pages
Edition 1st Edition
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Table of Contents (23) Chapters Close

Microsoft SQL Server 2012 Integration Services: An Expert Cookbook
Credits
Foreword
About the Authors
About the Reviewers
www.PacktPub.com
Preface
1. Getting Started with SQL Server Integration Services 2. Control Flow Tasks FREE CHAPTER 3. Data Flow Task Part 1—Extract and Load 4. Data Flow Task Part 2—Transformations 5. Data Flow Task Part 3—Advanced Transformation 6. Variables, Expressions, and Dynamism in SSIS 7. Containers and Precedence Constraints 8. Scripting 9. Deployment 10. Debugging, Troubleshooting, and Migrating Packages to 2012 11. Event Handling and Logging 12. Execution 13. Restartability and Robustness 14. Programming SSIS 15. Performance Boost in SSIS Index

Foreach Loop Container: looping through files using File Enumerator


The most common type of enumerator, the Foreach Loop Container with file enumerator, is used in this recipe. This type of container loops through a list of files in the filesystem and executes some type of action that should be taken inside the respective container.

If a connection exists inside this container, an essential configuration associated with this container type is to pass this connection dynamically creating the connection string based on expressions with the filename provided by the container and read in each execution.

Getting ready

To get ready for this recipe, use the following steps:

  1. Open SQL Server Data Tools (SSDT) and create a new SSIS project.

  2. Provide a name and a location for the SSIS project and proceed.

  3. Select the package created by default and rename it to P01_ForEachLoop_Files.dtsx.

How to do it...

  1. Create SSIS variables to pass dynamically the directory and filename of each file that will be processed in...

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