Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. AI‑generated code creates implicit ...

So defining it as a sparse column and creating a filtered index will enable SQL Server to optimize access to this column and also save space. Now this actually is a violation of the normalization ...

There's two answers to this question, the short answer and the long answer (which includes a follow-up question). The short answer is yes For the longer answer, let's start with the follow-up question ...

Microsoft’s proscriptive guidance provides a lot more detail about how much memory is needed to create a columnstore index on any given table and column. On the other hand, columnstore indexes are ...

The indexes on a the tables of a large database make a huge difference in its performance and utility. Without an index, locating a single record in a large table can take several seconds; with the ...