Tag: query tuning
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In this video, renowned query tuning expert and Microsoft Data Platform MVP Aaron Bertrand looks at the brand new release of SQL Sentry Plan Explorer, the industry's most popular free query tuning tool.
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SQL Server MVPs Aaron Bertrand and Kevin Kline begin their series on query tuning best practices. They go over some tips and tricks for writing queries. First, Kevin spends a little time on how to approach your ...
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In this video, Scott Fallen shares tips on how to get started with execution plans. He discusses what an execution plan is and why they are important. He also walks through a couple of sample plans.
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Aaron Bertrand discusses the issues of using the “Kitchen Sink” procedure, which is a stored procedure with massive dynamic search parameters. He shows examples of why the procedure is bad and ways to work around it.
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Kevin goes over how to do basic query tuning. Then he dives into 3 real world query tuning examples that are taken from Answers.SQLPerformance.com. The examples are SSMS vs. Plan Explorer, Massive MERGE, and the Case of the Log Shipping Mystery.
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SQL Server MVPs Aaron Bertrand and Kevin Kline continue their series on query tuning best practices. Kevin starts by talking about what you should include in test harnesses for testing your SQL code and how to i...
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In this Quick Tip, Aaron Bertrand and Kevin Kline discuss queries that use IN(…) vs. queries that use OR. They use a demo to show how the two types of queries are interchangeable and how they both optimize to the exact same plan.
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During this 1 hour webcast, Brent Ozar and Tim Ford provide an overview of what each DBA should consider with SQL Server query plans. Aaron Bertrand shows the capabilities within SQL Server Management Studio and then demonstrates how SQL Sentry Plan Explorer can make query plan analysis so much easier. Steve Wright expands on that theme by showing the integration points and enhanced capabilities with SQL Sentry Performance Advisor.
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SQL Server MVPs Aaron Bertrand and Kevin Kline continue their series on query tuning best practices. In the webinar, they continue to discuss some additional patterns, things that do well and make your SQL code...
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Aaron Bertrand goes over the differences between SP_EXECUTESQL and EXEC(...). He also provides a demo to show why he likes one more than the other.
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Plan Explorer takes plan analysis to an entirely new level by making it easy to snap to the most expensive operator inside of an execution plan, change the default display to show cumulative costs instead of per...
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Aaron Bertrand discusses one of his favorite topics, comma-delimited parameters. He shows the different ways you can split strings and which ways are the best.