Book Image

Microsoft SQL Server 2012 Performance Tuning Cookbook

Book Image

Microsoft SQL Server 2012 Performance Tuning Cookbook

Overview of this book

As a DBA you must have encountered a slow running application on SQL Server, but there are various factors that could be affecting the performance. If you find yourself in this situation, don't wait, pick up this book and start working towards improving performance of your SQL Server 2012. SQL Server 2012 Performance Tuning Cookbook is divided into three major parts -- Performance Monitoring, Performance Tuning, and Performance Management--that are mandatory to deal with performance in any capacity. SQL Server 2012 Performance Tuning Cookbook offers a great way to manage performance with effective, concise, and practical recipes. You will learn how to diagnose performance issues, fix them, and take precaution to avoid common mistakes. Each recipe given in this book is an individual task that will address different performance aspects to take your SQL Server's Performance to a higher level.The first part of this book covers Monitoring with SQL Server Profiler, DTA, System statistical function, SPs with DBCC commands, Resource Monitor & Reliability, and Performance Monitor and Execution Plan. The second part of the book offers Execution Plan, Dynamic Management Views, and Dynamic Management Functions, SQL Server Cache and Stored Procedure Recompilations, Indexes, Important ways to write effective TSQL, Statistics, Table and Index Partitioning, Advanced Query tuning with Query Hints and Plan Guide, Dealing with Locking, Blocking and Deadlocking and Configuring SQL Server for optimization to boost performance.The third and final part gives you knowledge of performance management with help of Policy Based Management and Management with Resource Governor.
Table of Contents (28 chapters)
Microsoft SQL Server 2012 Performance Tuning Cookbook
Credits
About the Authors
Acknowledgement
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Introduction


If data in a database table keeps growing and the number of records in a table reaches a count in billions or more, data retrieval and data manipulation operations on such a large table may become difficult. Due to very huge data, even simple INSERT, UPDATE, or DELETE operations can take a long time. Tasks such as deleting certain old data and rebuilding indexes become hard to perform. Managing and maintaining query performance becomes a challenge in this situation.

In the olden days of SQL Server, with versions prior to 2005, you might have worked with partitioned views to deal with huge amount of data. With SQL Server 2005, Microsoft introduced a great feature named Table Partitioning, which allows us to divide our data horizontally, into multiple partitions. SQL Server also allows us to put these multiple partitions on multiple disks by configuring them with multiple filegroups. This greatly improves the performance of queries when retrieving data in a certain fashion, because...