問題文
Three applications share one database and the DBA needs to know which of them is responsible for most of the work. Which statement describes how the work can be attributed to each of them?
選択肢
- Each application connects with a user of its own, and the statistics that the database keeps for each user then show how much work arrived through it and how much time that work spent in the instance.
- Each application connects through a service of its own, and the statistics that the database keeps for each service then show how much work arrived through it and how much time that work spent.
- Each application connects from a host of its own, and the statistics that the database keeps for each host then show how much work arrived through it and how much time it spent there.
- Each application is given a schema of its own, and the statistics that the database keeps for each schema then show how much work arrived through it and how much time that work spent in the instance.