While connected to the database，a user on a PC receives a fatal error and the machine reboots. Which background process cleans up the failed connection？（）A、ARCnB、CKPTC、DBWnD、LGWRE、PMONF、SMON
While connected to the database，a user on a PC receives a fatal error and the machine reboots. Which background process cleans up the failed connection？（）
- A、ARCn
- B、CKPT
- C、DBWn
- D、LGWR
- E、PMON
- F、SMON
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