You plan to upgrade your production database from Oracle Database 11g to 12c and also to introduce new objects to the database. You also want to upgrade the hardware. You have already created a test system with the upgrades to be made to the production database. As part of the testing, you want to:
analyze and compare the overall database workload with concurrency and transaction characteristics

find SQL statements that might get regressed because of the upgrade

analyze execution plans for SQL statements for which performance might get regressed

analyze the impact of new schema objects on database performance

Which two tools would you recommend to achieve the objective? (Choose two.)