多项选择题
A. partitioning recommendations
B. statistics collection recommendations
C. index creation recommendations
D. materialized view recommendations
E. materialized view log recommendations
单项选择题 You issue the following command： RMAN>CONFIGURE BACKUP OPTIMIZATION ON； What is the result of this command on your backups？（）
单项选择题 Which tuning tool recommends how to optimize materialized views so that these views can take advantage of the general query rewrite feature?（）
单项选择题 WhichcommandisusedtoconfigureRMANtoperformacompressedbackupforeverybackupexecuted？（）