单项选择题
A. statistics recommendations
B. SQL Profile recommendations
C. Index-related recommendations
D. restructuring of SQL recommendations
单项选择题 During the installation of Oracle Database 11g，you do not set ORACLE_BASE explicitly. You selected the option to create a database as part of the installation. How would this environment variable setting affect the installation？（）
多项选择题 WhichtwostatementsaretrueregardingthefunctionalityoftheremapcommandinASMCMD？（）
多项选择题 Examine the following RMAN command： BACKUP DATABASE TAG TESTDB KEEP UNTIL ’SYSDATE+1’ RESTORE POINT TESTDB06； Which two statements are true regarding the backup taken by using the above RMAN command？（）