I was reviewing my index rebuild and recreate activities. Some index rebuilding tasks are scheduled once or twice a week. I followed the best practices for the activities. However, it was not yielding expected performance gain. So, wondering what could be going wrong! Are there any hidden issues hindering the performance? I kept searching for potential clues in my favourite SQL Server gurus writing and compiled the hidden facts. Let's share my findings with you.
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When you rebuild an index in SQL Server, it might seem like a simple one-click operation—but behind the scenes, a lot is happening to ensure data integrity and performance. From acquiring locks to versioning scans and index swapping, SQL Server carefully orchestrates the entire process without disrupting your workload. Here goes the basic operations that SQL Server performs to rebuilds an index.
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