SQL Server Query Performance Tuning

SQL-626 (3 Days)

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SQL Server Training Overview

Accelebrate's SQL Server Query Performance Tuning training course teaches attendees everything they need to know to tune their SQL queries and improve execution speed.  Students learn how to fix relational design issues in their databases, create execution plans, collect performance data, add indexes to boost performance, and utilize statistics to deal with skewed data distribution.

Note: This SQL Server course is appropriate for versions 2012, 2014, 2016, and 2017.

Location and Pricing

Most Accelebrate courses are taught as private, customized training for 3 or more attendees at our clients' sites worldwide. In addition, we offer live, private online classes for teams who may be in multiple locations or wish to save on travel costs. Please visit our client list for organizations for whom we have delivered onsite training. To receive a customized proposal and price quote for private on-site or online training, please contact us.

In addition, some courses are available as live, online classes for individuals. See a schedule of online courses.

SQL Server Training Objectives

All students will:

  • Understand database application design
  • Optimize execution plan caching
  • Use the execution plan to tune a query
  • Collect tuning data
  • Add statistics
  • Locate T-SQL Performance issues

SQL Server Training Outline

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Introduction
Query Performance Tuning Process
  • Query and System Oriented Tuning
  • SQL Server Architecture
  • Database Components that Effect Performance
  • Query Execution Process
  • Query Performance Killers
Relational Design and Database Objects
  • Normal and Denormalized Database Design
  • Dealing with LOB Data
  • Index Types and Best Practices
  • Views and Indexed Views
  • Data Distribution and Statistics
Execution Plans and Operators
  • Parsing, Binding, and Query Optimization Process
  • Query Optimizer Improvements [SQL Server 2014 and Later]
  • Logical and Physical Execution Plan Operators
  • Viewing Execution Plans
  • Understanding Execution Plan Properties
  • Performance Timed and IO Statistics
  • Buffer Cache and Logical vs Physical Page Reads
  • Data Access Operators
  • Join Operators
  • Other Operators
  • Parallelism
  • Query Writing Best Practices
  • Reducing Query Resource Usage
  • Automatic Tuning with Automatic Plan Correction [SQL Server 2017 and Later]
  • Adaptive Query Processing [SQL Server 2017 and Later]
Collecting Query Performance Data
  • Locating Queries with Performance Issues
  • SQL Server Activity Monitor
  • SQL Server Management Studio Reports
  • Query Store [SQL Server 2016 and Later]
  • Dynamic Management Objects (DMOs)
  • Collecting SQL Server Events
  • Extended Events
  • Extended Events GUI [SQL Server 2012 and Later]
  • SQL Profiler (Deprecated)
  • Creating Application Baselines
Using Indexes to Improve Performance
  • Best scenarios for Clustered and NonClustered Indexes
  • Index Design Recommendations
  • Lookups vs Covering Indexes
  • Filtered Indexes
  • Index Intersections and Index Joins
  • Indexed Views
  • Fragmentation Issues
  • FillFactor and Padindex
  • Rebuilding and Reorganizing Indexes
  • Resumable Online Index Rebuild [SQL Server 2017 and Later]
  • Database Engine Tuning Advisor
Statistics and Cost-Based Optimization
  • Cost Based Optimizer
  • Selectivity, Density, and Cardinality of Data
  • New Cardinality Estimator Algorithms [SQL Server 2014 and Later]
  • Data Distribution Issues with CBO
  • Statistics to Track Data Distribution
  • Automatic Statistics
  • Manually Creating and Updating Statistics
Execution Plan Caching and Recompilation
  • Plan Cache
  • Ad Hoc Query Optimizations
  • Prepared Workloads
  • Stored Procedures
  • Plan Recompilation
  • Parameter Sniffing Issues
  • Recompile Hints and Options
  • Plan Guides
Transact-SQL Considerations
  • Temp Tables and Table Variables
  • Using Temp Tables Efficiently
  • Performance Pitfalls in T-SQL Code
  • Declarative Referential Integrity vs T-SQL Code
  • Triggers Performance Considerations
  • Transactions and Locking
  • Tuning and Alternatives to Cursors
  • Sequence Objects [SQL Server 2012 and Later]
  • Pagination with OFFSET and FETCH [SQL Server 2012 and Later]
  • JSON Support [SQL Server 2016 and Later]
  • Graph Databases and Relationships [SQL Server 2017 and Later]
Real World Query Tuning
Conclusion
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Lecture percentage

50%

Lecture/Demo

Lab percentage

50%

Lab

Course Number:

SQL-626

Duration:

3 Days

Prerequisites:

All students must have SQL Server Query Development Experience.

Training Materials:

All SQL Server training students receive comprehensive courseware and a copy of APress' SQL Server Performance Tuning.

Software Requirements:

Attendees will need SQL Server Developer, Enterprise, or Standard Edition version 2012, 2014, 2016 or 2017.

Contact Us:

Accelebrate’s training classes are available for private groups of 3 or more people at your site or online anywhere worldwide.

Don't settle for a "one size fits all" public class! Have Accelebrate deliver exactly the training you want, privately at your site or online, for less than the cost of a public class.

For pricing and to learn more, please contact us.

Contact Us Train For Us

Toll-free in US/Canada:
877 849 1850
International:
+1 678 648 3113

Toll-free in US/Canada:
866 566 1228
International:
+1 404 420 2491

925B Peachtree Street, NE
PMB 378
Atlanta, GA 30309-3918
USA

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