单项选择题YoufindpocketsofemptyspaceintheUSER_DATAtablespaceduetoalotofDMLoperationsontheobjectsintheUSER_DATAtablespace.Thepocketsofemptyspacesaretoosmalltobereusedindividually.Thisisleadingtowastageofspace.Youdecidetoperformtheshrinkoperationtoreclaimthewastedspace.WhichadvisorwillyouusetodeterminetheobjectsintheUSER_DATAtablespacethataregoodcandidatesfortheshrinkoperation?()
A. SQL Tuning Advisor
B. SQL Access Advisor
C. Undo Advisor
D. Segment Advisor