单项选择题
A.The command would return an error because LOG_BUFFER is a static parameter.
B.The parameter value would be changed and it would come into effect immediately.
C.You need to restart the database so that parameter changes can come into effect.
D.The command would succeed only if initialization parameter LOG_ARCHIVE_MAX_PROCESS is set to value 2.
单项选择题 You are using flat files as the data source for one of your data warehousing applications. You plan to move the data from the flat file structures to an Oracle database to optimize the application performance. In your database you have clustered tables. While migrating the data， you want to have minimal impact on the database performance and optimize the data load operation. Which method would you use to load data into Oracle database？（）
单项选择题 YourdatabaseisinNOARCHIVELOGmodeandalogswitchhappensevery20minutes.OnThursdaymorning，mediafailureresultedincorruptionofadatafilebelongingtotheTOOLStablespace.BackupsaretakenoneverySunday.Whatwouldyoudointhissituation？（）
单项选择题 WhichstatementistrueaboutthelossofsystemcriticaldatafilesinARCHIVELOGmode？（）