单项选择题
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.
相关考题
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单项选择题
YouaremaintaininganOLTPdatabaseinOracle10g.Youfindthatthedatabaseisgeneratingalargenumberoftracefiles.YoudecidetodisablethetracefilesgeneratedbytheARCnbackgroundprocess.WhichactionwillenableyoutodisablethetracefilesgeneratedbytheARCnbackgroundprocess？（）
A. Remove the LOG_ARCHIVE_DEST parameter from the init.ora file.
B. Set the value of the SQL_TRACE parameter to FALSE in the init.ora file.
C. Use the DBMS_MONITOR.SESSION_TRACE_DISABLE procedure.
D. Set the value of the LOG_ARCHIVE_TRACE initialization parameter to zero. -
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？（）
A. when 700 KB is used
B. when 700 KB is left as free space
C. when 7MB is used
D. when 7MB is left as free space
E. no alert will be generated because an autoextensible datafile is included in the tablespace -
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？（）
A. datafile
B. alert log
C. dynamic views
D. control file script
