                   ɽߵרѧУרҵϵͳ
                                            -------- ʹ˵
汾1.0.0
ȨУDK03-1 ZHB--XanaduSoftware
Աź
ڣ2005-6-12.....2005-6-27
ͣɶ--ͨϵ--ݿӦϵͳ
ʹ˵1.漰ݿΪű
            lesson
            kecheng 
            zhuanye
            class
            űвڱнС
          2.ܣa.༶ѧڡרҵϵĲѯ
                      b.༭ܲѯϢ  
                      c.ݿıָ
          3.ʱʾ רҵ-γ Ϣ
          4.ݲѯŦѯ棬ѯͬרҵͬѧڵļ¼вֹһ
            򽫷ʾϢࡱҵɾɾɾļ¼Ȼ
            ˫бؽͬᵯɾҪѡɾĻƻ¼
            ϢͬʱṩSQLѯĽӿڣǰݿĽṹر˽⡣ 
          5.Ŀγ̲ѯ༭ģõͬһ壬ϵͳԴĿģ
            ǲͬʱеģڹصһģʹһģ顣Ϊ˽ʡ
            ռ䣬ʹСһЩ
          6.γ̹ť༭档԰ѯĽ༭γ̣пֱ  
            γ̿еĿγϢǣѡγ̿еļ¼ı˫Զ롣
            Ҫɾ¼Ļͬ˫б򵯳ɾ
          7.רҵť½ԻֻҪעἴɵõû롣Ͽע
            ɣ
          8.ȷû󽫽űı༭棬ɱ༭ӡɾ
            רҵбĻͬʱʾרҵİ༶Ϣ
          9.ͨݿⱸָ߼ǿϢİȫҪ֤ݵݿ⵱ǰ״
            ̬ȷġִݿָʱϵͳὫļнݿ⸴ƵӦ·У
            һʹĲϢʧ̱ϵͳ
          10.顱壬ǡͳϢĴ塣

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