Execution Plans: What Can You Do With Them
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People are aware that you can use an execution plan to tune a query, but do they have other uses? This session will drill down on all the hidden information within execution plans. The structures and information with an execution plan shows many of the inner workings of SQL Server. From calculated columns to referential integrity, these, and many other functions, are exposed through execution plans. From this session you’ll be able to better understand the inner workings of SQL Server as well as your own databases and queries.
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Optimizing Access with SQL Server
This document discusses optimizing Microsoft Access databases by using SQL Server as the backend database instead of the default Jet/ACE database engine. It provides advantages of using SQL Server like better performance, security, and scalability. It also discusses best practices like using SQL Server for data storage and queries, using Access only for the user interface, migrating Access data and queries to SQL Server, and designing the application for optimal performance when Access and SQL Server are used together.
Nsc 2013 06-17 - random rants on 2013
Highs, lows & random rants on SharePoint 2013 - Experiences from implementing a governance and quality management in SharePoint 2013. Presented at Norwegian SharePoint Community June 17th, 2013.
The Plan Cache Whisperer - Performance Tuning SQL Server
Execution plans tell SQL Server how to execute queries. If you listen closely, execution plans can also tell you when performance-tuning opportunities exist in your environment. By listening to your queries, you can understand how SQL Server is operating and gain insight into how your environment is functioning. In this session, learn how to use XQuery to browse and search the plan cache, enabling you to find potential performance issues and opportunities to tune your queries. In addition, learn how a performance issue on a single execution plan can be used to find similar issues on other execution plans, enabling you to scale up your performance tuning effectiveness. You can use this information to help reduce issues related to parallelism, shift queries from using scans to using seek operations, or discover exactly which queries are using which indexes. All this and more is readily available through the plan cache.
SQL Explore 2012: P&T Part 1
Predicates allow filtering events based on:
- Event properties (fields)
- Session properties
- System properties
They are evaluated synchronously when the event fires. This allows filtering events and reducing overhead compared to capturing all events.
Common predicates:
- event_name = 'sql_statement_completed'
- database_id = 5
- cpu_time > 1000
Predicates give granular control over what events are captured.
Oracle SQL tuning with SQL Plan Management
Regression in SQL plans are a frequent cause for performance related incidents when the cost-based optimizer comes up with a new plan due to changes in data distribution, statistics, or binds. While most organizations have very strict processes for changes to applications or infrastructure, the CBO is most often left alone, accepting that SQL execution performance could change at any time. But with SQL Plan Management it does not take much effort to implement a process that makes changes to SQL plans manageable. It starts with monitoring regression in execution times, capturing baselines, auto pre-evaluating potentially better plans, and documenting information needed to accept the change. We will not only cover how SPM works, but also how you can start using it in your organization today.
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Designing dashboards for performance shridhar wip 040613
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Oracle Performance Tuning Training | Oracle Performance Tuning
Oracle Performance Tuning Training | Oracle Performance Tuning
ECMDay2015 - Kent Agerlund – Configuration Manager 2012 – A Site Review
ECMDay2015 - Kent Agerlund – Configuration Manager 2012 – A Site Review
LVOUG meetup #2 - Forcing SQL Execution Plan Instability
LVOUG meetup #2 - Forcing SQL Execution Plan Instability
The Plan Cache Whisperer - Performance Tuning SQL Server
The Plan Cache Whisperer - Performance Tuning SQL Server
More from Grant Fritchey
Using Query Store in Azure PostgreSQL to Understand Query Performance
Microsoft has added an excellent new extension in PostgreSQL on their Azure Platform. This session, presented at Posette 2024, covers what Query Store is and the types of information you can get out of it.
Migrating To PostgreSQL
As the popularity of PostgreSQL continues to soar, many companies are exploring ways of migrating their application database over. At Redgate Software, we recently added PostgreSQL as an optional data store for SQL Monitor, our flagship monitoring application, after nearly 18 years of being backed exclusively by SQL Server. Knowing that others will be taking this journey in the near future, we'd like to discuss what we learned. In this training, we'll discuss the planning that needs to take place before a migration begins, including datatype changes, PostgreSQL configuration modifications, and query differences. This will be a mix of slides and demo from our own learnings, as well as those of some clients we've helped along the way.
PostgreSQL Performance Problems: Monitoring and Alerting
PostgreSQL can be difficult to troubleshoot when the pressure is on without the right knowledge and tools. Knowing where to find the information you need to improve performance is central to your ability to act quickly and solve problems. In this training, we'll discuss the various query statistic views and log information that's available in PostgreSQL so that you can solve problems quickly. Along the way, we'll highlight a handful of open-source and paid tools that can help you track data over time and provide better alerting capabilities so that you know about problems before they become critical.
Automating Database Deployments Using Azure DevOps
Automation is a fundamental aspect when adopting a DevOps-style deployment process. Learn how you can use Azure DevOps tools to automate your database deployments successfully. Topics include the challenge of supporting more than one database system, deployments in Azure SQL Database, Postgres and Maria DB. We'll also show how you can use Azure DevOps to deploy to an on-premises database. All the databases you have under management can have their deployments automated.
Learn To Effectively Use Extended Events_Techorama.pdf
Too many people have looked at Extended Events, seen what looks like a horrible interface, heard about the XML, and have subsequently run away.
This session is here to show you how to effectively use Extended Events to monitor your query performance, and more, in an efficient and useful way. The interface for Extended Events isn't bad, just grossly misunderstood. After you attend this session, you'll be able to easily do things that you've never been able to do with Trace. You need a more efficient query metrics tool, and it's waiting for you in Extended Events.
Using Query Store to Understand and Control Query Performance
Understanding which queries are causing the most difficulty in your systems can be a challenge. Then, fixing those problematic queries is yet another challenge. The Query Store, running in SQL Server and Azure SQL Database, can help you identify problematic queries, and it can help you fix their performance. This session will show you the various data points that Query Store collects that will help you identify the queries that are behaving badly. In addition, this session will show you the different mechanisms within Query Store that can help you fix poorly performing queries. We'll cover Query Store functionality from SQL Server 2016 through to the new stuff in SQL Server 2022. Along the way we'll cover various settings that help you control how Query Store behaves. Query Store is something you can put to work immediately in your own environments that will help you improve performance right away.
You Should Be Standing Here: Learn How To Present a Session
You should know how to present a session. In fact, you should be standing up on the stage where I will be standing while presenting this session. It's not about becoming an industry expert, an MVP or an AWS Community Builder. No, it's about learning how to take an idea to your management team and convince them that you can help the business. It's about teaching new techniques to your peers. It's about expanding your own knowledge on a topic as you prepare a session, present it, and then answer questions. There are very good, career driven, reasons for you to learn to present.
This session will go over how to put together a session. From choosing meaningful titles to putting together abstracts, you'll get the information you need to get started. We'll also cover how to put together a session, demonstrations, and more. We'll also cover how to rehearse to get ready for your session. Finally, we'll cover giving the session, handling questions, hecklers and more.
You should be standing at the front of the room, giving your own session. Please, come here, learn why, and learn how. It will help you in your career.
Redgate Community Circle: Tools For SQL Server Performance Tuning
This slide deck is in support of the live and video classes held by Redgate Software as part of the Community Circle initiative. This series of classes is meant to teach you the tools that can help to make query tuning easier in SQL Server. There are a number of different tools, all part of the fundamental Microsoft Data Platform offering, that can be used to help tune queries. This class outlines those tools and their uses.
10 Steps To Global Data Compliance
Data compliance in the modern technology landscape feels like a constantly moving target as more and different laws, rules and regulations are passed locally, nationally and internationally. The days when only some organizations or certain countries had to worry about data compliance are gone. It’s everyone’s problem.
However, it is possible to define a core set of processes that will help to enable your ability to assist your business, or government agency, in meeting these compliance requirements. This session will walk you through the 10 steps you need to implement in order to move your organization towards full compliance with any, or all, of the regulations we all now face. From identifying where your data lives to monitoring for compliance and all the steps in between, you can meet this challenge.
Time to Use the Columnstore Index
Columnstore has been available since SQL Server 2012. However, when it was introduced, it just wasn't quite ready for most people to use. Times have certainly changed. Now, it's time to use the columnstore index.
Introduction to SQL Server in Containers
Finally, it's become easy for SQL Server developers and DBAs to use containers to speed up software development and testing. Containers have been around for more than 30 years, and at last they have become a great tool for Microsoft data professionals. Join Grant Fritchey to learn how containers differ from virtual machines, and why containers make it incredibly fast to deploy new instances of SQL Server. Grant will use Docker containers to demo the process of spinning up a new SQL Server using the very latest version of the product -- without actually installing SQL Server! Finally, you'll learn how containers can be used in the software development lifecycle to speed up the process of developing, testing, and deploying changes.
DevOps for the DBA
Moving from manual processes for development and deployment to a more automated approach requires a great deal of work and knowledge. In this all day seminar we will go through the steps to help you along this journey.
We will start with understanding how source control works and end with automated deployments across environments
You’ll learn about processes and tools that not only make it easier and faster to move database changes, but add protection to your production information.
We will discuss tools, process and the fundamental changes in culture necessary to take your database development and deployment into a high functioning DevOps team.
SQL Injection: How It Works, How to Stop It
SQL Injection is still, after more than 20 years, a very common attack vector affecting data privacy. Learn how best to deal with SQL Injection in your environment.
Privacy and Protection in the World of Database DevOps
Ensuring the ongoing protection of personally identifiable information is mandatory in today's business, helping you to guard against data breaches and comply with the GDPR and other compliance requirements. In a climate where cyberattacks are all too frequent and data is spread across a growing number of different environments, the challenge of protecting your data can seem daunting.
This session will address the implications of the GDPR on database management and demonstrate a privacy-first approach to controlling and protecting data as it changes and moves through your SQL Server estate. As well as offering guidance for assessing your data estate for GDPR readiness, this session will include some great tips for building data protection and privacy into your development processes, and dispel the myth that database DevOps and compliance can't go hand-in-hand.
With the right preparation, you can build compliance into your processes, keep sensitive data safe and deliver value quickly to your end users.
SQL Server Tools for Query Tuning
This document discusses various SQL Server tools for query tuning. It begins by outlining the goals of understanding available native tools, applying the right tools for situations, and learning how to use the tools. The document then covers tools for identifying issues, investigating queries, modifying queries, and measuring performance. These include extended events, Query Store, dynamic management views, execution plans, and automation features. It provides examples of how each tool can be used and concludes with documentation resources.
Extending DevOps to SQL Server
The document discusses extending DevOps practices to SQL Server databases. It defines DevOps as representing a change in IT culture that focuses on rapid delivery through agile practices, collaboration between operations and development teams, and use of automation tools. The document outlines DevOps practices for databases including developing database code alongside application code, testing in isolation, source control, and shifting validation and testing earlier in the development cycle. It emphasizes automating provisioning, monitoring throughout the development lifecycle, and balancing speed with production protection.
Introducing Azure SQL Data Warehouse
This document provides an introduction to Azure SQL Data Warehouse. It discusses the architecture of ASDW including how it is built on Azure SQL Database and Analytics Platform System (APS). It covers various topics like database design, querying, data loading, tooling, and maintenance for ASDW. The goals are to understand the basic infrastructure, learn design/querying/migration methods, and investigate available tooling for automation and monitoring of ASDW.
Introducing Azure Databases
This document discusses various database options available on Azure, including SQL Database, SQL Data Warehouse, DocumentDB, MongoDB, and Redis Cache. It explores how to set up an Azure SQL database and DocumentDB database, including configuring firewall settings. It also covers restoring databases, using elastic pools, querying data, monitoring performance, and maintaining databases using tools like Dynamic Management Views and Powershell. The goal is to understand Azure database options and how to control, monitor, and maintain databases on Azure.
Statistis, Row Counts, Execution Plans and Query Tuning
It’s fairly well known that the query optimizer is what creates execution plans. Lots of people are aware that execution plans are the thing that makes queries run fast, or slow. What seems to be less well known is just how vital the number of rows that the optimizer thinks may be returned by any given query is the primary factor driving the choices that the optimizer makes. This session focuses on how the row counts for queries are arrived at and how those row counts impact the choices made by the optimizer and, ultimately, the performance on your system. With the knowledge you gain from this session, you will make superior choices in writing T-SQL, creating indexes and maintaining your statistics. This leads to a better performing system. All thanks to counting the number of rows.
Understanding Your Servers, All Your Servers
Knowing what is happening to your SQL Server servers can require a lot of work. Knowing what to look for, what metrics to measure, and how to get everything from your entire enterprise requires knowledge. This session lays out the fundamentals necessary for this type of server monitoring and management.
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Using Query Store in Azure PostgreSQL to Understand Query Performance
Using Query Store in Azure PostgreSQL to Understand Query Performance
PostgreSQL Performance Problems: Monitoring and Alerting
PostgreSQL Performance Problems: Monitoring and Alerting
Automating Database Deployments Using Azure DevOps
Automating Database Deployments Using Azure DevOps
Learn To Effectively Use Extended Events_Techorama.pdf
Learn To Effectively Use Extended Events_Techorama.pdf
Using Query Store to Understand and Control Query Performance
Using Query Store to Understand and Control Query Performance
You Should Be Standing Here: Learn How To Present a Session
You Should Be Standing Here: Learn How To Present a Session
Redgate Community Circle: Tools For SQL Server Performance Tuning
Redgate Community Circle: Tools For SQL Server Performance Tuning
Privacy and Protection in the World of Database DevOps
Privacy and Protection in the World of Database DevOps
Statistis, Row Counts, Execution Plans and Query Tuning
Statistis, Row Counts, Execution Plans and Query Tuning
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Photoshop Tutorial for Beginners (2024 Edition)Explore the evolution of programming and software development and design in 2024. Discover emerging trends shaping the future of coding in our insightful analysis."Here's an overview:Introduction: The Evolution of Programming and Software DevelopmentThe Rise of Artificial Intelligence and Machine Learning in CodingAdopting Low-Code and No-Code PlatformsQuantum Computing: Entering the Software Development MainstreamIntegration of DevOps with Machine Learning: MLOpsAdvancements in Cybersecurity PracticesThe Growth of Edge ComputingEmerging Programming Languages and FrameworksSoftware Development Ethics and AI RegulationSustainability in Software EngineeringThe Future Workforce: Remote and Distributed TeamsConclusion: Adapting to the Changing Software Development LandscapeIntroduction: The Evolution of Programming and Software Development
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四.办理各国各大学文凭(一对一专业服务,可全程监控跟踪进度)
如果您处于以下几种情况：
◇在校期间，因各种原因未能顺利毕业……拿不到官方毕业证【q/微741003700】
◇面对父母的压力，希望尽快拿到；
◇不清楚认证流程以及材料该如何准备；
◇回国时间很长，忘记办理；
◇回国马上就要找工作，办给用人单位看；
◇企事业单位必须要求办理的
◇需要报考公务员、购买免税车、落转户口
◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
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Execution Plans: What Can You Do With Them
- 1. Execution Plans: What Can You Do With Them
- 2. Goals • Understand the degree to which SQL Server internals are exposed through execution plans • Learn methods for reading execution plans to expand your knowledge • Understand ways in which you can apply this information in your own code
- 4. Why Execution Plans? • Optimizer • Code use • Object use • And then?
- 5. SELECT/INSERT/UPDATE/DELETE • The standard • Query tuning • Object use
- 6. Views • Regular view • Materialized/indexed view • NOEXPAND • EXPAND • Simplification
- 7. Foreign Key • Enforced referential integrity • Trusted/untrusted
- 8. Calculated Column • Zero or low cost • Deferred execution • Hidden costs • Constant folding
- 9. Constraint • INSERT • SELECT • Trust
- 10. Merge • All the things • Single execution plan • Low to zero tuning opportunities
- 11. Triggers • Hidden behavior • Private execution plans • No estimated plans
- 12. Identity • Constant Scan • Assert • Gaps
- 13. User Defined Functions • Multi-statement table valued user defined functions • AKA: Pure Evil! • Scalar functions • Inline table functions • AKA: parameterized views
- 14. In-Memory Stored Procedures • 1.0 • It will change
- 15. Live Execution Plan • Unclear purpose • Only long running queries • Still wicked cool
- 16. Conclusion • It’s not just about query tuning • You can actually see functionality • Observation leads to knowledge • Still just a representation
- 17. References • Fabiano Amorim • Paul White • Rob Farley • SQL Server Execution Plans, Grant Fritchey