单项选择题
A. The CHANGE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository（ADR）
B. The VALIDATE DATABASE command has detected new failures recorded in the Automatic Diagnostic Repository （ADR）
C. The ADVISE FAILURE command has detected new failures recorded in the Automatic Diagnostic Repository （ADR） since the last LIST FAILURE
D. The RECOVER command has detected new failures recorded in the Automatic Diagnostic Repository （ADR） since the last LIST FAILURE command was executed
单项选择题 Examine the output of the query that you executed to list the objects in the recycle bin: You verified that no table named SALES_TAB exists in the schema. Then you executed the following command to purge the objects in the recycle bin: SQL> PURGE TABLE sales_tab; What would be the outcome of this command?（）
多项选择题 The ORACLE_SID environment variable is set to +ASM. ASMLIB is not used in the configuration. You executed the following command to startup the Automatic Storage Management (ASM) instance. SQL> STARTUP; Which two activities are performed during a successful start up operation? （）(Choose two.)
多项选择题 YoudecidedtouseDirectNFSconfigurationinanon-RACOracleinstallationandcreatedtheoranfstabfilein/etc.Whichtwostatementsaretrueregardingthisoranfstabfile？（））