Christian Bolton - Professional SQL server 2012: internals and troubleshooting

CONTENTS

Professional SQL Server 2012 Internals and Troubleshooting

Published by

John Wiley & Sons, Inc.

10475 Crosspoint Boulevard

Indianapolis, IN 46256

www.wiley.com

Copyright 2013 by John Wiley & Sons, Inc., Indianapolis, Indiana

Published simultaneously in Canada

ISBN: 978-1-118-17765-5

ISBN: 978-1-118-22730-5 (ebk)

ISBN: 978-1-118-24027-4 (ebk)

ISBN: 978-1-118-26490-4 (ebk)

No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, scanning or otherwise, except as permitted under Sections 107 or 108 of the 1976 United States Copyright Act, without either the prior written permission of the Publisher, or authorization through payment of the appropriate per-copy fee to the Copyright Clearance Center, 222 Rosewood Drive, Danvers, MA 01923, (978) 750-8400, fax (978) 646-8600. Requests to the Publisher for permission should be addressed to the Permissions Department, John Wiley & Sons, Inc., 111 River Street, Hoboken, NJ 07030, (201) 748-6011, fax (201) 748-6008, or online at http://www.wiley.com/go/permissions .

Limit of Liability/Disclaimer of Warranty: The publisher and the author make no representations or warranties with respect to the accuracy or completeness of the contents of this work and specifically disclaim all warranties, including without limitation warranties of fitness for a particular purpose. No warranty may be created or extended by sales or promotional materials. The advice and strategies contained herein may not be suitable for every situation. This work is sold with the understanding that the publisher is not engaged in rendering legal, accounting, or other professional services. If professional assistance is required, the services of a competent professional person should be sought. Neither the publisher nor the author shall be liable for damages arising herefrom. The fact that an organization or Web site is referred to in this work as a citation and/or a potential source of further information does not mean that the author or the publisher endorses the information the organization or Web site may provide or recommendations it may make. Further, readers should be aware that Internet Web sites listed in this work may have changed or disappeared between when this work was written and when it is read.

For general information on our other products and services please contact our Customer Care Department within the United States at (877) 762-2974, outside the United States at (317) 572-3993 or fax (317) 572-4002.

Wiley publishes in a variety of print and electronic formats and by print-on-demand. Some material included with standard print versions of this book may not be included in e-books or in print-on-demand. If this book refers to media such as a CD or DVD that is not included in the version you purchased, you may download this material at http://booksupport.wiley.com . For more information about Wiley products, visit www.wiley.com .

Library of Congress Control Number: 2012946050

Trademarks: Wiley, the Wiley logo, Wrox, the Wrox logo, Wrox Programmer to Programmer, and related trade dress are trademarks or registered trademarks of John Wiley & Sons, Inc. and/or its affiliates, in the United States and other countries, and may not be used without written permission. SQL Server is a registered trademark of Microsoft Corporation. All other trademarks are the property of their respective owners. John Wiley & Sons, Inc., is not associated with any product or vendor mentioned in this book.

For Ava and Leighton, who missed their daddy during this project. I promise Ill make it up to you .

Christian Bolton

To my best friend and new wife, Claire, thanks for your enduring support and patience. All my love, Justin .

Justin Langford

To my mum, and Colin .

Gavin Payne

I would like to dedicate my contribution to the book to my mom and dad. Without their support, I wouldnt have been able to devote the kind of time I do in my quest for everyday learning. A special note of thanks is due to my mentors, who have made it possible for me to learn about this ever-evolving product in a seamless manner .

Amit Banerjee

For Roslyn .

Rob Farley

ABOUT THE AUTHORS

CHRISTIAN BOLTON is the technical director for Coeo Ltd., a leading provider of SQL Server managed support and consulting in the U.K. and Europe. Christian is a Microsoft Certified Architect, Microsoft Certified Master, and MVP for SQL Server, and an experienced technical author. He is particularly interested in SQL Server infrastructure, scalability, and high availability, and is a highly rated speaker at technical conferences worldwide. Christian was the lead author and technical editor for this entire project.

JUSTIN LANGFORD leads the Managed Support team for Coeo Ltd., delivering 24-7 remote DBA services for mission-critical SQL Server platforms. Before joining Coeo, Justin worked for Microsoft on the Premier Field Engineering team, delivering support consulting to some of Microsofts largest finance and government customers in Europe. Justin co-authored Wroxs Professional SQL Server 2005 Performance Tuning and Professional SQL Server 2008 Internals and Troubleshooting . Justin is a SQL Server MVP and lives in London with his wife, Claire. When hes not working, he enjoys sailing and has a keen interest in classic British sports cars.

GLENN BERRY is a principal consultant with SQLskills. He has worked as a SQL Server professional for many years in a variety of roles, most recently as database architect for Avalara in Parker, CO. Glenn has been a SQL Server MVP since 2007, and has many Microsoft certifications, including MCITP, MCDBA, MCSE, MCSD, MCAD, and MCTS. His expertise includes DMVs, high availability, hardware selection and configuration, and performance tuning. Glenn is heavily involved in the SQL Server community, and is a frequent speaker at user groups, SQLSaturdays, and the PASS Community Summit. He is the author of the book SQL Server Hardware , and he contributed chapters for SQL Server MVP Deep Dives and SQL Server MVP Deep Dives, Volume 2 . He is also an adjunct faculty member at University CollegeUniversity of Denver, where he completed the Master Teacher Program and has been teaching since 2000. Glenns blog is at and on Twitter at @GlennAlanBerry .

GAVIN PAYNE is a senior consultant for Coeo Ltd., and a Microsoft Certified Master for SQL Server. His focus as a technical architect and database consultant is on the scoping, designing, and implementation of SQL Server database platforms, as well as the optimization and improvement of existing environments. He also organizes regional SQL Server community events, and presents at European events such as SQLBits and SQLSaturdays. Prior to working for Coeo, Gavin was a solution architect for managed services providers, for whom he acted as a technical authority during the pre- and post-sale phases of outsourcing relationships. Originally from the historic Cotswolds region, Gavin now lives in the South of England, and outside of work his interests include reading about postwar politics and the history of electronic intelligence gathering, and travel. He can be contacted at .