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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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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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Aaron Bertrand and Kevin Kline discuss some of the advantages for specifying the schema when creating, altering and referencing objects. They discuss how specifying a schema can affect performance and how important it is for security. They also use demos to illustrate the importance.
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Aaron Bertrand explains what the SP_ prefix is and discusses the performance issues with using it when you call a stored procedure. He also mentions a blog post he wrote about the SP_ prefix, which can be found at SQLPerformance.com/sp_prefix.
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SQL Sentry’s Performance Advisor dashboard not only gives you real time performance details on your server, but also easily provides long term trending as well as flexible point in time details for all of your S...
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Aaron Bertrand discusses the issues of using the MERGE statement. He also gives a few ways to avoid using it.
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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.
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This video is part of the Getting Started Series found on the SQL Sentry client software start page. These videos are intented to give you a basic understanding of some of the features of the product. This video will ...
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SQL Sentry Fragmentation Manager introduces new automated index maintenance capabilities to Performance Advisor. In the video, Steve Wright discusses how Fragmentation Manager improves the manageability and vis...
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Kevin Kline discusses how SQL Server wants to reuse execution plans but there are issues that can cause execution plans to never be reused. He also shares some examples of how to fix these issues which will help improve SQL Server performance.
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Paul Randal of SQLskills shows how to analyze what's using space in tempdb, and provides an overview of how to use SQL Sentry Plan Explorer in the investigation. Immerse yourself in SQL Server with the SQLskills...
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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.