单项选择题
A. V$SESSION_EVENT
B. V$SESSION
C. V$WAITS
D. V$WAITSTAT
E. V$SESSION_LONGOPS
单项选择题 In what view are you likely to see the following output？（） SID SERIAL# EVENT SECONDS_IN_WAIT 121 269 RMAN backup & recovery I/O 2 129 415 SQL*Net message from client 63 130 270 SQL*Net message from client
单项选择题 What is the impact of the following backup if it exceeds the duration allowance？（） Backup as compressed backupset duration 2：00 partial minimize load database ；
单项选择题 How long will this backup be allowed to run？（） Backup as compressed backupset duration 2：00 minimize load database