Finally, there is a warning about a missing index. I do this by selecting the database I am working on from the drop down menu at the top of the Database column. @Justin, I tried with Method 4 - Inspecting the query cache, but it's returning system and user defined both the queries. I can't comment yet hence the new answer How to fix it: Use regedit to find HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\PerfProc\Performance there is a key in there called Disable Performance Counters , delete it or set it to 0 You may need a restart after you change the key. To subscribe to this RSS feed, copy and paste this URL into your RSS reader. Note that depending on load you can use this method on a production environment, however you should obviously use caution. Are there conventions to indicate a new item in a list? Figure 2 shows the queries sorted by Duration (MS). The concerns are those unusual spikes in CPU and IO time, and maybe the spikes in wait times. It closes the entire results section - including the messages and execution plan. A possible solution to this example is this rewrite where the function is removed from the query predicate, another column is searched and the same results are achieved: Here's another example, where a sales manager may want to give 10% sales commission on large orders and wants to see which orders will have commission greater than $300. Well need to dig further. The buffer pool is the largest pool of memory in SQL Server that is used for caching data and indexes. Right-click the "GetExecutionPlan" session and start it. Here's how you use it to view plans for currently running statements: The text column in the resulting table is however not very handy compared to an XML column. Would like to know how to fix this too. To work around the issue, you can use the following methods: Avoid changing the jobs which have a next run timestamp that is less than current timestamp. Phil Factor shows how to monitor for the errors indicative of a possible SQL Injection attack on one of your SQL Server databases, using a SQL Monitor custom metric that uses diagnostic data from Extended Events. What are some tools or methods I can purchase to trace a water leak? Add a column with a default value to an existing table in SQL Server, How to return only the Date from a SQL Server DateTime datatype, How to check if a column exists in a SQL Server table. Does SQL Server Management Studio 2008 Activity Monitor work with SQL Server 2000? The open-source game engine youve been waiting for: Godot (Ep. If the issue is fixed, it's an indication of a parameter-sensitive problem (PSP, also known as "parameter sniffing issue"). For more information on spinlocks, see Diagnose and resolve spinlock contention on SQL Server. The timeout period elapsed prior to completion of the operation or the server is not responding. How can I do an UPDATE statement with JOIN in SQL Server? Because there are so many factors involved (ranging from the table and index schema down to the data stored and the table statistics) you should always try to obtain an execution plan from the database you are interested in (normally the one that is experiencing a performance problem). When used correctly, Systems Administrators can find the information they need and make sure that their instance is running correctly. Click one of the query_post_execution_showplan events in the grid, and then click the "Query Plan" tab below the grid. To get the actual execution plan on SQL Server, you need to enable the STATISTICS IO, TIME, PROFILE settings, as illustrated by the following SQL command: Now, when running the previous query, SQL Server is going to generate the following execution plan: After running the query we are interested in getting the actual execution plan, you need to disable the STATISTICS IO, TIME, PROFILE ON settings like this: In the SQL Server Management Studio application, you can easily get the estimated execution plan for any SQL query by hitting the CTRL+M key shortcut. For example, using