You are maintaining an OLTP database in Oracle10g. You set the value of the LOG_ARCHIVE_TRACE parameter to zero. What is the impact of this setting? () 
A: The trace files will be disabled only for a specific session.
B: Tracing will be disabled for a client identifier.
C: Tracing will be disabled only for the ARCn process.
D: The SQL Trace facility will be disabled for the instance.
出自:Oracle认证