This topic describes an overview of query analysis in AnalyticDB for MySQL. You can learn about the query process, execution plan elements, and factors that affect query performance. You can also identify slow and resource-consuming queries, and use tools such as the SQL diagnostics feature and the slow query table to view and analyze query execution plans of AnalyticDB for MySQL. For more information, see Introduction to SQL diagnostics and Use a slow query table.

Note The SQL diagnostics feature is not supported for clusters created in the Germany (Frankfurt), UK (London), US (Silicon Valley), and US (Virginia) regions.