You are working as a DBA in an organization. The flash recovery area files are created in ’+disk1’. You want to create new flash recovery area files in the ’+disk2’ location. The new location of the flash recovery area files should be written in the control file and the spfile.Which command will you issue to change the location of the flash recovery area files？（） [" ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ’+disk2’ ；"," ALTER SYSTEM SET DB_RECOVER_FILE_DEST = ’+disk2’ SCOPE = BOTH；"," ALTER SYSTEM SET DB_CREATE_FILE_DEST = ’+disk2’；"," ALTER SYSTEM SET DB_CREATE_ONLINE_LOG_DEST_n = ’+disk2’；"]
高粘度并含有固体粒子的液体最为适用的泵是：（） ["离心泵","往复泵","球心泵","螺杆泵"]
Your database is open and the LISTENER listener is running. The new DBA of the system stops thelistener by using the command： LSNRCTL> STOP What happens to the sessions that are presently connected to the database instance（） ["The sessions are able to perform only queries.","The sessions are not affected and continue to function normally.","The sessions are terminated and the active transactions are rolled back.","The sessions are not allowed to perform any operations till the listener is started."]
按照儿童认知发展对游戏进行分类的首创者是（） ["杜威","比勒","帕登","皮亚杰"]
What is the result？（） ["Cat","Dog","Compilation fails.","The code runs with no output.","An exception is thrown at runtime."]
从自然界中筛选微生物菌种的方法和步骤。
