# Top Sql Usage - Step 2
+ Observe the top 5 types of SQL

![left](./student-guide/diagram/TopSQLUsage02_en_001_20220515.png)

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Observe the Top 5 charts and tables presented by Top SQL.

The size of the color block in the bar chart represents how much CPU resources the SQL statement consumes at that moment. Different colors distinguish different types of SQL statements. In most cases, you should pay attention to the SQL statements in the chart that overhead of CPU resources in the corresponding time frame.