Tag: dense index
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What is an index – a theory (part 1/4 – dense and sparse indexes)
Since I had written a few posts about indexes before, I thought it would be good to shed some light on theory behind indexes in SQL Server. It would be divided into four parts: Dense and sparse indexes (this post). B-trees – searching for a value and operation efficiency. B-trees – inserting an item, operation…
Yet another SQL Server DBA... 