053345

What view might you use to try to determine how long a particular backup will take?
A. V$SESSION_EVENT
B. V$SESSION
C. V$WAITS
D. V$WAITSTAT
E. V$SESSION_LONGOPS

  The V$SESSION_LONGOPS view is used to estimate how long a given running operation has until it is complete.

原文地址:https://www.cnblogs.com/Babylon/p/7815849.html