????Unallocated space??δ????????????????????????.??????unused space???????????unused space?????????????(??????????)???????????????????????????????????.??unallocated space???????б???????????????????????????????????.

????DBA???????disk capacity problem (????????????????)????????????????????"????"??unallocated ??????.????????unallocated space?????????????л????????. ????????????????????????α??????????? ????

???????????????shrink database ?? Paul ??????????????99%??????￡?shrink????????????????????????????????????????????????????????????????????

????rebuild index online????????idea??????????index???????????????????????????????rebuild index?? ??????????????????????????????????????????????

????SQL?????????export data /import data ????????????Щ???dump???????????????????????????? dump????????import data schema?? import data. ?????鷳????????????????????

??????? EXEC sp_spaceused?????????unallocated space