What does system monitor do?
performs instance recovery at instance startup useful for recovery from system failure performs recovery when user process fails and frees resources that process was using performs recovery when user process fails and frees resources that process was using None 2 A Procedure XYZ is written in program unit and attached library, when u call this procedure what will happen Error will occur Library procedure will be called Program unit procedure will be called None of the above 3 What is system control statements used to control the properties of current session enabling and disabling roles and changing current session enabling and disabling roles and changing change properties of oracle instance manage change by DML None 2
