Oracle中日志组成员的状态有哪些？ABCD A NULL B STALE C DELETED D INVALID 写法可以应用上索引范围扫描？A A SELECT…FROM DEPARTMENT WHERE DEPT_CODE like ‘123456%' B SELECT…FROM DEPARTMENT WHERE DEPT_CODE like ‘%123456%' C SELECT…FROM DEPARTMENT WHERE DEPT_CODE like ‘%123456' D SELECT…FROM DEPARTMENT WHERE DEPT_CODE like ‘%123%456' 如下哪个参数控制Oracle后台进程trace文件的位置？C A DB_CREATE_FILE_DEST B BACKGROUND_TRACE_DEST C BACKGROUND_DUMP_DEST D 平台相关并且无法修改