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Youissuedthefollowingcommand:ALTERDATABASEENABLEBLOCKCHANGETRACKING;Whatwillbetheresultofissuingthiscommand?()

A.Theblockchangetrackingfeatureisenabled,andtheinformationaboutthesystemchangenumberiswritteninthechangetrackingfile.
B.Theblockchangetrackingfeatureisenabled,andtheinformationaboutthelogsequencenumberiswritteninthechangetrackingfile.
C.Theblockchangetrackingfeatureisenabled,andtheinformationabouttheblocksthatarechangedsincethelastbackupiswritteninthechangetrackingfile.
D.Theblockchangetrackingfeatureisenabled,andtheinformationaboutthelocationsofthedatafilesandtheonlineredologfilesarewritteninthechangetrackingfile.
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