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Online Indexing Operations in SQL Server 2005

Published: March 13, 2007

Introduced in SQL Server 2005 Enterprise Edition, the online index feature provides a powerful way to perform maintenance operations such as rebuilding or creating indexes in a production system without sacrificing DML concurrency. This paper provides a detailed discussion of the index process and provides guidelines and best practices for implementing this feature in a production environment.

Included in this document:

  • Introduction

  • Data Structures and Concepts

  • Overview of the Online Index Build Algorithm

  • Capacity Planning and Concurrency Considerations for Index Create and Rebuild Operations

  • Online Index Best Practices

  • Conclusion

  • Appendix A: Performance Study

  • Appendix B: Diagnostics

  • Appendix C: Log Measurement Script

  • Appendix D: Online Index Limitations

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