Worst ADF BC and ADF Model layer executions

In various overviews the worst performing parts of the ADF Business Components and ADF Model layer are indicated. Bottlenecks and the weakest chains are shown here. For example example the ADF BC overview it shows very slow, slow and normal ADF BC executions:

• ViewObject queries
• EntityObject DML operations
• PL/SQL procedure/function calls
• ApplicationModule Pooling passivations / activations
• ApplicationModule Transactions