多选题Which two statements are true regarding the starting of the database instance using the following command?（） SQL>STARTUP UPGRADEAIt enables all system triggers.BIt allows only SYSDBA connections.CIt ensures that all job queues remain active during the
题目
多选题
Which two statements are true regarding the starting of the database instance using the following command?（） SQL>STARTUP UPGRADE
A
It enables all system triggers.
B
It allows only SYSDBA connections.
C
It ensures that all job queues remain active during the upgrade process.
D
It sets system initialization parameters to specific values that are required to enable database upgrade scripts to be run.