This three-day workshop provides database developers working in enterprise environments using Microsoft SQL Server 2005 the knowledge and skills to evaluate and improve queries and query response times. The workshop focuses on systematic identification and optimization of database factors that impact query performance.
Doelgroep
This course is intended for current professional database developers who have three or more years of on-the-job experience developing SQL Server database solutions in an enterprise environment.
Voorkennis
Before attending this course, students must:
Have working knowledge of data storage. Specifically, knowledge about row layout, fixed length field placement and varying length field placement.
Be familiar with index structures and index utilization. Specifically, they must understand the interaction between non-clustered indexes, clustered indexes and heaps. They must know why a covering index can improve performance.
Have had hands-on database developer experience. Specifically, three years of experience as a full-time database developer in an enterprise environment.
Be familiar with the locking model. Specifically, students should have an understanding of lock modes, lock objects and isolation levels and be familiar with process blocking.
Understand Transact-SQL syntax and programming logic. Specifically, students should be completely fluent in advanced queries, aggregate queries, subqueries, user-defined functions, cursors, control of flow statements, CASE expressions, and all types of joins.
Be able to design a database to third normal form (3NF) and know the trade offs when backing out of the fully normalized design (denormalization) and designing for performance and business requirements in addition to being familiar with design models, such as Star and Snowflake schemas.
Have strong monitoring and troubleshooting skills, including using monitoring tools.
Have basic knowledge of the operating system and platform. That is, how the operating system integrates with the database, what the platform or operating system can do, and how interaction between the operating system and the database works.
Have basic knowledge of application architecture. That is, how applications can be designed in three layers, what applications can do, how interaction between the application and the database works, and how the interaction between the database and the platform or operating system works.
Know how to use a data modeling tool.
Be familiar with SQL Server 2005 features, tools, and technologies.
Have a Microsoft Certified Technology Specialist: Microsoft SQL Server 2005 credential - or equivalent experience.
In addition, it is recommended, but not required, that students have completed:
Course MS2778, Writing Queries Using Microsoft SQL Server 2005 Transact-SQL.
Course MS2779, Implementing a Microsoft SQL Server 2005 Database.
Course MS2780, Maintaining a Microsoft SQL Server 2005 Database.
Lesmethode
U volgt deze training in onze Open Master Class. Door een groepsgrootte van gemiddeld 6 en maximaal 8 cursisten, bent u verzekerd van een individuele en maatgerichte training. U werkt in uw eigen tempo en beschikt over een gecertificeerde en ervaren docent die u gedurende uw training persoonlijk begeleidt en al uw vragen omtrent de lesstof beantwoordt. Uiteraard profiteert u ook bij deze training van onze 100% Kwaliteitsgarantie.
Duur
3 dagen
Tarief excl. BTW
€ 1.295,00 per deelnemer
Het tarief voor deze training is inclusief studiemateriaal, certificaat, koffie/thee en een uitgebreide lunch.
Trainingstijden
Onze trainingen vinden plaats van 9.30 tot 12.15 en van 13.15 tot 16.30 uur.
Unit 1: Measuring Database Performance This unit provides students with an opportunity to measure database performance and identify database performance bottlenecks. Students will use a sample script to identify performance and concurrency problems, capture baseline performance, and prioritize identified problems for optimization.
Topics
Importance of Benchmarking
Key Measures for Query Performance: Sysmon
Key Measures for Query Performance: Profiler
Guidelines for Identifying Locking and Blocking
Unit 2: Optimizing Physical Database Design In this unit, students work with strategies for optimizing physical database design. Students will optimize a database schema using normalization, generalization, and denormalization.
Unit 3: Optimizing Queries for Performance In this unit students experience optimizing and tuning queries to improve performance. In the lab, students will optimize stored procedures, views, and non-cursor aggregate queries to improve database performance and user experience. Each query that is optimized improves the overall system because the query will use fewer resources, freeing up those resources for other queries, and reducing the amount of locking done by the query. The domino effect is profound.
Topics
Performance Optimization Model: Queries
What Is Query Logical Flow?
Considerations for Using Subqueries
Guidelines for Building Efficient Queries
Unit 4: Refactoring Cursors into Queries In this unit, students will work with strategies for refactoring cursors into queries. In the lab, students will work to optimize a database by replacing slow iterative code with faster set-based code.
Unit 5: Optimizing an Indexing Strategy In this unit, students will work on optimizing indexing strategies. Students will work with a given database to add and delete indexes, by providing the optimum bridge between the query and the data without any redundancies.
Topics
Performance Optimization Model: Indexes
Considerations for Using Indexes
Best Uses of the Clustered Index
Best Practices for Non-Clustered Index Design
How to Document an Indexing Strategy
Unit 6: Managing Concurrency This unit provides students with the opportunity to work with concurrency management. Students will look for concurrency issues and then solve them by optimizing transactions and adjusting the transaction isolation level.
Topics
Performance Optimization Model: Locking and Blocking
Multimedia - "How to Use Efficient Queries to Reduce Locking and Blocking"
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