A. The ADR base keeps all diagnostic information in binary format
B. SQL*Plus provides the ADRI script,which can be used to work with ADR
C. The ADR can be used for problem diagnosis only when the database is open
D. The ADR can be disabled by settting the DIAGNOSTIC_DEST parameter to null
E. The ADR can be used for problem diagnosis even when the database instance is down
F. The ADR base is shared across multiple instances
答案:(E、F)
解析:
A(X),预警日志就是文本格式的
B(X)
C(X),
如果ADR_BASE初始化参数没有设置,则ADR_BASE使用$ORACLE_BASE环境变量的设置;
如果$ORACLE_BASE也没有设置,则使用$ORACLE_HOME指定的位置
但ADR功能不会被禁用。
来自 “ ITPUB博客 ” ,链接:https://blog.itpub.net/17013648/viewspace-1339751/ ,如需转载,请注明出处,否则将追究法律责任。