フリー問題

問題文

Before an upgrade a team wants to know how the existing statements and how the concurrent workload will behave on the new release. Which pairing of tools fits?

選択肢

1. The application analyzer reproduces the concurrent workload and the replay feature compares the statements one by one on the changed system.
2. The diagnostic monitor compares the statements one by one and the tuning advisor reproduces the concurrent workload against the changed system.
3. The performance analyzer compares the statements one by one and the replay feature reproduces the concurrent workload afterwards.
4. The plan management feature compares the statements one by one and the access advisor reproduces the concurrent workload on the changed setup.