单项选择题

Oracle数据库中,初始化参数AUDIT_TRAIL为静态参数,使用以下()命令可以修改其参数值。

A.ALTER SYSTEM SETAUDIT_TRAIL=DB
B.ALTER SYSTEM SETAUDIT_TRAIL=DBDEFERRED
C.ALTER SESSION SETAUDIT_TRAIL=DB
D.ALTER SYSTEM SETAUDIT_TRAIL=DBSCOPE=SPFILE