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 The database is currently open and the temp03.dbf tempfile belonging to the default temporary tablespace TEMP has been corrupted. What steps should you take to recover from this tempfile loss in an efficient manner?（）
多项选择题 Whichstatementsaretrueregardingthesystem-definedmovingwindowbaselineinOracleDatabase11g？（）
单项选择题 You issue the following RMAN command to set a retention policy on a database： RMAN>CONFIGURE RETENTION POLICY TO REDUNDANCY 2； What will be the outcome of issuing this command？（）