original_column_name,column_name,column_description,data_format,value_description
Id,,the post history id,integer,
PostHistoryTypeId,Post History Type Id,the id of the post history type,integer,
PostId,Post Id,the unique id of the post,integer,
RevisionGUID,Revision GUID,the revision globally unique id of the post,integer,
CreationDate,Creation Date,the creation date of the post,datetime,
UserId,User Id,the user who post the post,integer,
Text,,the detailed content of the post,text,
Comment,,comments of the post,text,
UserDisplayName,User Display Name,user's display name,text,