SQL Server Execution Plans: Third Edition

Great book. Covers very important aspects of query execution.

Love it! Book is very thorough and easy to follow.

Anyone who wants to consider themselves an expert at SQL performance issues should probably read this book. It starts with the relative basics of execution plans which any professional working on SQL performance issues will probably have already encountered, but I found myself re-reading entire chapters by about 2/3 of the way through as there was just so much valuable information and I was sure I hadn't fully taken in parts which would doubtlessly prove useful. I intend to keep hold of this one and re-read at least the second half of it several more times in the coming months and years

A must have for sql dba