You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）<br>A:V$SESSION <br>B:V$SYSSTAT <br>C:DBA_SEGMENTS <br>D:V$SORT_USAGE

You are trying to determine how many disk sorts are happening on the database right now. Which of the following dictionary tables would you use to find that information?（）
A:V$SESSION
B:V$SYSSTAT
C:DBA_SEGMENTS
D:V$SORT_USAGE

出自：Oracle认证

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