单项选择题
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.
单项选择题 YouaremaintaininganOLTPdatabaseinOracle10g.Youfindthatthedatabaseisgeneratingalargenumberoftracefiles.YoudecidetodisablethetracefilesgeneratedbytheARCnbackgroundprocess.WhichactionwillenableyoutodisablethetracefilesgeneratedbytheARCnbackgroundprocess？（）
单项选择题 You have created a locally managed tablespace by issuing the following command： CREATE TABLESPACE data1 DATAFILE ’data1_file1.dbf’ SIZE 10M AUTOEXTEND ON MAXSIZE UNLIMITED； For the DATA1 tablespace， you have set the warning level alert limit to 70 percent. In which situation will a warning level alert be generated？（）
单项选择题 Matthew has recently joined NetFx Corporation as a junior-level Database Administrator （DBA）. He is asked by his supervisor to verify the database for data block corruptions. He uses the DBVERIFY utility and finds that two data blocks are corrupted in the database. What should Matthew use to identify the corrupted blocks as well as datafiles containing these blocks？（）