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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  

A、 V$SESSION_EVENT

B、 V$SESSION

C、 V$WAITS

D、 V$WAITSTAT

E、 V$SYSSTAT

  • B
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