CARRAY-----         BinaryByteStream Fixed length

                           No Encode/Decode

STRING ------       CharBytesStream Variable   length

                           Encode/Decode

VIEW ---------      C Structure  Oriented Fixed length               

                           Encode/Decode

FML ----------      Attribtutes/Value Oriented Variable length

                           Encode/Decode

越往上边,越简单、效率高、类型少、死板

越往下边,越复杂、效率低、类型多、灵活

posted on 2010-01-09 22:41  gjung  阅读(294)  评论(0编辑  收藏  举报