Which two statements are true about views used for viewing tablespace and datafile information? (Choose two.)
Which three statements are true about inner and outer joins? (Choose three.)
A user complains about poor database performance. You suspect that the user's session is waiting for an event to complete.
You want to verify this.
Which two views may reveal for what the user's session is currently waiting? (Choose two.)
Which three statements are true about inner and outer joins? (Choose three.)
Which two statements are true about Database Instances and Real Application Clusters (RAC)?