多项选择题
A. Control files
B. Password files
C. Inactive online redo log file
D. Archived log files required to perform recovery
E. Newly created tablespace which is not backed up
单项选择题 You observed the following output for a user session: What do you infer from the preceding output?（）
多项选择题 WhichstatementsaretrueregardingtheQueryResultCache？（）
单项选择题 You specify a nonzero value for the MEMORY_TARGET initialization parameter，but do not set the PGA_AGGREGATE_TARGET or the SGA_TARGET parameters. You restart your database instance. Which statement about the result is true？（）