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