Today is the final day for my SQL Azure blog series. These past few weeks I have been able to spend a lot of time with SQL Azure. The platform has come a long way in the two years time since I first started using it and doing presentations. I am very impressed with many … Read more
Yesterday we discussed one way to improve query performance in SQL Azure by making sure your statistics are kept up to date. In today’s penultimate post we look at another way to get information about your queries in SQL Azure: wait events. One of the first things I noticed that was missing from SQL Azure … Read more
Yesterday we looked at a handful of queries that you can use with the sys.dm_exec_query_stats system view to return information about the activity on your instance of SQL Azure. Today we will talk about one way you can help yourself to improve performance for your SQL Azure instance: updating statistics. If you check the list … Read more
Yesterday we saw how to view the query plan for the statements hitting your SQL Azure instance. Looking at the statement and the plan itself is good, but it does not give you a complete picture for performance tuning. For that you will need some historical context. One way to get such context is to … Read more
Yesterday we saw how to use the sys.dm_exec_sql_text table function to return the statement text for the connections or requests that are hitting our instance of SQL Azure. Today we take a step further along that path by examining the use of the sys.dm_exec_query_plan function. Unlike the sys.dm_exec_sql_text function (which can take either a SQL … Read more
Yesterday we were looking at how to find all the current requests that were hitting your SQL Azure instance. We can take the information returned by that system view and use it with a CROSS APPLY to the sys.dm_exec_sql_text table function. You can input either a SQL handle or a plan handle, and you can get … Read more
