Here the following is the query plan of the rewritten SQL, it looks a little bit complex, but the performance is very good now, it takes only 0.447 seconds. There are two Hash Match joins that are used to replace the original Nested Loops from EMPLOYEE to full table scan DEPARTMENT. Alth...
SQL SQL Server 2008 Database Engine Tuning Advisor How-to Topics How to: Tune a Database Save Add to Collections Add to Plan Share via Facebookx.comLinkedInEmail Print Article 01/10/2010 In this article Security See Also You can use Database Engine Tuning Advisor graphical user interface (...
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These short 10- to 15-minute videos focus on specific tasks and show you how to accomplish them step-by-step using Microsoft products and technologies. Check back often or subscribe to the RSS feed to be notified when new videos are added every week. If you are interested in getting all ...
In This Section This section contains information about how to use SQL Server performance monitoring and tuning tools. Server Performance and Activity Monitoring How-to Topics Contains information about using Microsoft Windows tools, SQL Server Management Studio, SQL Trace, and SQL Server Profiler to ...
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In summary, the general process to tune a SQL query follows this process: Identify the query (either manually or with a tool like PMM) Check the EXPLAIN plan of the query Review the table definition Create indexes Start with columns in the WHERE clause ...
It seems like there is not much more room for speeding the current query up... The question is: is it still required to store the successful import into PermitsInserted? Basically, we know which permits failed. So all the other ones would have passed. If not, we'd have that 'Insert ...
All of the following examples involve joining the authors and publishers tables in the Pubs sample database included with SQL Server™.Inner JoinsIn an inner join, records from two tables are combined and added to a query's results only if the values of the joined fields meet certain ...
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