1óɾMSSQLļĻָҪ;ǴӲһضʧMDFļȡûҪıݡ
   һݻָһصļ޷ӣ
2óһ;ǿԴ𻵵MDFݣҪȡݣ밴˵ϵרҵָ
3MSSQLļڿռѾָǣ޷һMDFļԴҵĲҳȡûҪıݡ
4ҵҪҪõMDFļ밴˵ϵרҵָ
5ÿָ֮ԸĽ



ʹü飺
һӲһضʧ(ɾʽ·)MDFļ
  1\򿪳ѡʧļ߼̻߼ȫļ,ļʧԭ(ɾʧ򰴴Ѱ[]Ѱ[])
     Ƿֻɨпռ(Ĭѡ,δɾMDFļᱻɨ).
  2\Ȼ<1 scandiskʼɨ>ϵͳʾɨ赽Ϣ浽һļ߼(ռ㹻)½һĿ¼ļ浽Ŀ¼.
  3\ɨɺ,ֱӽеѡһɨ赽ļѡϵͳʾļǶʧMDFļеĲ
     (ɨɺ粻ʱϣԺֱӴƬļϣ򿪳ֱӽеڶ:<2 (open saved file)Ƭļ>,Ȼе)
  4\ʼMDFļ<4 create mdf fileMDFļ>,ϵͳԶMDFļϺõMDFļñ򿪲ͱݣ
 
  5\κʱ򣬿ͨ<(get data from saved file or a mdf file)ƬMDFļ>ťɵMDFļͱݡ


ܶ𻵵MDF(ϲMDF)鿴
  1\򿪳ֱӵ<(get data from saved file or a mdf file)ƬMDFļ>ť,
    Ȼѡ"ϺõMDFļԴMDF鿴"ͱݡ
  2ͽṹѡ󣬵<get selected table data()>ťݣ
     <next 5000 rows(һ)>ݡ



ɨƬļ鿴
  ǰ᣺ѾɨƬļĿ¼(ע:ҪǸȫĿ¼)
  1\򿪳ѡ<2 (open saved file)Ƭļ>,ѡɨõƬļ.
  2\еѡһɨ赽ļѡϵͳʾļ
  3\ͨ<(get data from saved file or a mdf file)ƬMDFļ>ť,
    Ȼѡ"ֱӴɨƬļ鿴"Ϳͱݡ


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