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Free space in mdf

  • February 8, 2017 at 7:48 pm

    #318588

    Hi!

    I would like to ask what is the filesize, usedspace and freespace means in mdf? whats the difference of the 3? 

    Thanks

  • February 8, 2017 at 10:23 pm

    This was removed by the editor as SPAM

  • February 8, 2017 at 10:46 pm

    #1927442

    As Jason clearly mentioned.

    File Size:Total Space taken by the file
    UsedSpace: Space used within that taken value.
    Freespace:its the free value available within the file .

    In short FileSize=UsedSPace + FreeSpace

    Use below query to get the  details 

    USE [yourDB]
    Select a.FILEID,
    [FILE_SIZE_MB] =       convert(decimal(12,2),round(a.size/128.000,2)),
    [SPACE_USED_MB] =       convert(decimal(12,2),round(fileproperty(a.name,'SpaceUsed')/128.000,2)),
    [FREE_SPACE_MB] =       convert(decimal(12,2),round((a.size-fileproperty(a.name,'SpaceUsed'))/128.000,2)) ,
    NAME = left(a.NAME,15)
    from sysaltfiles a

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