Included Columns

Kendra Little has a new video involving indexing:

Recently, I was thinking about nonclustered indexes in SQL Server, and how included columns are stored. Is SQL Server smart enough to optimize the storage for small indexes with includes? Find out in this free seven minute video.

It’s a short video, well worth your time.

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Query Store Indexes

Arthur Daniels shows what you can learn from the indexes on Query Store tables: It looks like internally Query Store is referred to as plan_persist. That makes sense, thinking about how the Query Store persists query plans to your database’s storage. Let’s take a look at those catalog views vs their clustered and nonclustered indexes. […]

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Gotchas When Indexing Partitioned Tables

Andrew Pruski gives us a couple of considerations when creating indexes on partitioned tables in SQL Server: Looking at that data page, we can see that SQL has added a UNIQUIFIER column. Now this is standard SQL behaviour, SQL does this to all non-unique clustered indexes whether they are on a partitioned table or not. But also […]

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