Drill down into a transaction snapshot to display the call graph for Oracle ODP.NET ADO.NET backend transactions. The call graph displays the code execution sequence timing, so you can identify which methods has problems. In this example, The Oracle.DataAccess.Client.OracleConnection:Open method is taking 63686 ms, 99.9% of the time for the Oracle ODP.Net ADO.NET backend call, it is displayed in red as an error had occured while executing this method.Click on the SQL Calls tab in the call graph. This shows the query executed, type of query, no. of times the query executed, avg time it takes to execute etc.