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How to view the actual execution plan of a query?
To view the Actual execution plan of a query, continue from the 2nd step mentioned previously, but now, once the Estimated plan is shown, click the “Actual” button from the main ribbon bar in ApexSQL Plan.
Why does SQL Server now run a specific actual query plan?
Now the actual query plan is different (which makes sense). The query now runs a lot faster. I’m curious if the new execution plan has anything to do with this, because other changes (changes to the IO setup, VM settings, sql instance restart, etc) may also be causing the improvement in performance.
How to re-run a specific query plan?
Yes. You need the USE PLAN hint. In which you supply the XML from the first plan. SELECT * FROM T OPTION (USE PLAN N’ ….’) Whilst it doesn’t guarantee that the plan will be exactly the same (e.g. compute scalar operators can move around for example) it will likely be pretty close.
What happens if a query does not have a plan?
If any query does not have plan or plan is too big to fit in the cache, it will display the value NULL. I hope you find this query helpful. The actual execution plan retrieved from this query is not complete but it still displays quite a lots of interesting details.
What to do before executing a live query?
For Estimated Query Plan you can press Ctrl + L or the following button. For Actual Query Plan, you can press Ctrl + M or the following button before executing query. For Live Query Plan, (only in SSMS 2016) use the following button before executing query.
Where do I find execution plan in apexsql?
The Actual execution plan option is available in the in the Home tab of ApexSQL Plan If multiple SQL queries are executed, their plans will be listed in the same tab, one below another separated as statements. SQL Server execution plans can be saved as SQL or sqlplan files for later analysis.
Where are execution plans saved in SQL Server?
SQL Server execution plans can be saved as SQL or sqlplan files for later analysis. The steps are similar for using the Estimated execution Plan option, except the query doesn’t have to be executed.