Disabling An Index Removes Index Data

DBAs gained the ability to disable indexes in SQL Server 2005. This is a handy little option when you are tuning indexes or consolidating indexes. When you disable an index, you tell SQL Server to basically pretend the index doesn’t exist. Data changes made to the underlying tables are not reflected in the disabled index. […]

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Indexing The Lottery

In this post, I walk through the steps of basic index analysis and, although we end up with a fairly obvious solution, we discover that optimizing SQL Server performance sometimes doesn’t even involve SQL Server. One of the occupation hazards, if you will, of being a DBA, is that you tend to think about possible […]

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