Because the actual data is also stored in the clustered index, the correct analogy for this type of index is the book’s table of contents plus the pages themselves i.e. the whole book. So the ...

The most important performance-tuning technique available is having the needed indexes created on the tables to ensure that the SQL Server database engine is able to get the data that it needs to as ...

We updated an app recently which imposed a lot more clustered indexes then had previously been there. We also have a weekly index rebuild which I'm assuming is now running super long because of those ...