![]() The label of the colors (1, 2, 3 etc.) are Query No. For the first row is NULL, so rank is also set to 1. As you can see, the Top 10 CPU consuming queries are listed and we can start investigating what is the resource utilization of each of these queries and how we can tune them. ![]() companyid CompanyName Amount-3 Company 3 55599.83 5 Company 5 55468. In this code, if is the same we increment rank, otherwise set it to 1. Here is a slight modication to Davids SQL statement which with my sample data results in the following, Note that CompanyNames are included and 'Other' appears at the bottom of the list. This code is executed for each row and stores the value of country column to := country, + 1, 1) These variables do not require declaration, and can be used in a query to do calculations and to store intermediate := country ![]() Currently MySQL does not support ROW_NUMBER() function that can assign a sequence number within a group, but as a workaround we can use MySQL session variables.
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