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???? Access ?????

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8 Access – PowerPoint PPT presentation

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Title: ???? Access ?????


1
?8? ??????
  • ???? Access ?????
  • ??????
  • ?????
  • ???????
  • ???????

2
8-1????
  • ????????
  • ?????????????????,???????
  1. ??(Bit)???????????,????????0? 1?
  2. ???(Byte)????????(Word)???????,????????????
  3. ??(Field)????????(Byte)??,?????????????????,?????
    ???????????????????????
  4. ??(Record)???????????????,???????????????????????
    ????????????????????
  5. ??(File)??????????,?????????????????????????
  6. ???(Database)?????????,??????????????,???????????
    ??????????

3
8-1 ????
  • ??????(1)
  • 1.???
  • ?????????????,?Windows?????????txt???,???????,????
    (NotePad)???????ASCII????????,??????1????
  • ?????????10????1234567890,????????????,??????10???
    ????

4
8-1 ????
  • 2.????
  • ?????????,??????????????????,?????????????????????
    ?,?????????
  • ?????????????,??????????????,?????????????????????
    ???????????????????????????????,?????????????????

5
8-1 ????
  • ??????(2)
  • ??????????????????,?????????
  • ??(Master File)?????????????????????????,????????
    ????????
  • 2. ???(Transaction File)????????????????????????,
    ?????????,??????????????(Key Field)???????????????
    ????????? ????????
  • 3. ???(Report File)??????????,????????
  • 4.???(History File)??????????,????????,??????????
    ???,?????????????
  • 5.???(Backup File)????????????????,?????????????,
    ??????

6
8-1 ????
  • ??????
  • ????????

1.??????????? 2.???????,?????????? 3.??????????
?????? 4.?????????????? 5.?????????????? 6.????
?????????
7
8-2 ??????
  • ??????
  • ??
  • 1. ????????,????????,???????,?????????
  • 2. ???????????,???????
  • 3.?????????????????????????
  • ??
  • 1. ???????????,???????,??????,?????
  • 2.???????????????????,??????

8
8-2 ??????
  • ??????
  • ??
  • 1.?????,?????????
  • 2.???????????,??????????????
  • 3.??????????????,??????????????????????
  • ??
  • 1.???????,???????????,????????,????????????
  • 2.????????????????????,??????????
  • 3.???????????????????

9
8-2 ??????
  • ??????
  • ??
  • 1.??????????????????????,???????????
  • 2. ???????????????(Index Table)?
  • 3.????????????????
  • ??
  • 1.????????????????,????????????
  • 2.?????????,????????????????

10
8-3 ?????
  • ??????????
  • ??????????,??????????,???????????,????????????????
    ???????,????????????????????????,?????????????????
    ?
  • ???????????????,??????????(Table)????????

11
8-3 ?????
  • ?????,?????????,????????? (Column),???????????
    (Row),??????????????????????,????????(Field
    Name),????????????,?????????????,??????(Value),???
    ??

12
8-3 ?????
  • ???????????????????,??????????????,???????????????
    ????????,?????????????????????????????????????????
    ???????????????????,????????????????????????,?????
    ???????????????(Database),?????

13
8-3 ?????
  • ???????????(1)
  • ?????????????,??????????(Data Set)??????(Data
    Table)???????,??????????????,????????????(DataBase
    Management System, DBMS)???????,?????????????

14
8-3 ?????
  • ???????????(2)
  • ?????????(DBMS),??????????????,??????????????????,
    ??????????????????????,???????????????????????????
    ?????????????,?????????????,?????????????

15
8-3 ?????
  • ?????????Access ????DBMS,??????
  • ???????????????????????????????,??????????????,???
    ????????????????????,?????????????????????

16
8-3 ?????
  • ?????????(1)
  • ?????(Data Safety)
  • ???????????,??????????????,???????????,???????????
    ????????????????????(authority),????????????
  • ?????(Data Independence)
  • ?????,?????????????????(dependence),??????????????
    ???????????,???????????????,????????????????

17
8-3 ?????
  • ?????????(2)
  • ?????(Data Integrity)
  • ???????,????????????????????????????????,?????????
    ,?????????????????????????????????
  • ?????(Data Concurrency)
  • ?????????????????????????

18
8-3 ?????
  • ?????????(2)
  • ??????,??????

1.????????,???????,???????? 2.?????????????????,??
?????????????,???????????????????? 3.??????,??????
????????? 4.????????????????????????? 5.??????????
?????????
19
8-4 ???????
  • ???????(1)
  • ?????
  • ??A?????????????B????????,?B??????????????A???????
    ??????,?????????????????,??????????????
  • ?????
  • A????????????B????????,???????????????,???????????
    ???

20
8-4 ???????
  • ???????(2)
  • ?????
  • ??A????????????B????????,??????????,????????????,?
    ??????????????????
  • ????????????????????????????????,??????????????,??
    ??????
  • ????????,???????????? dBase?Foxpro?Access?SQL
    Server ?Oracle ????

21
8-4 ???????
  • ???????
  • ?????????,??????????????????????????,?????????????
    ,??????????,????????,?????????????????????(???????
    ?),?????????,??????????,?????????,????????????????
    ?

22
8-4 ???????
  • ???????
  • ????????????????????,????????????????????,????????
    ??
  • ??????????????????,???????????????,???????????????
    ????,???????????,?????????????
  • ????????????,???????,??????????,?????????????????,
    ????????????,???????

23
8-4 ???????
  • ?????????(1)
  • ?? (Class)
  • ??????????????????????????,?????????????????
  • ?? (Object)
  • ??????????????????????????????????
  • ?? (Attribute)
  • ??????????????????????,??????????????????????,????
    ????????????????

24
8-4 ???????
  • ?????????(2)
  • ?? (Method)
  • ??????????????????????,????????????????????,??????
    ???????
  • ?????????????????,??????????????????(class)?
  • ?????????????????????,????????????????????????????
    ????

25
8-5 ???????
  • ????
  • ???????,????????????????,?????????????????????????
    ,????????????????,???????????(????????),???????(SQ
    L)???????,??????????,???????????????????

26
8-5 ???????
  • ?????
  • ???????(Conceptual Schema)?????????????,??????????
    ??????????????????????,???????,????????,??????????
    ??????

27
8-5 ???????
  • ????
  • ???????(Physical Schema)?????????,????????????,???
    ???????????????????????,?????????,?????????????

28
8-6 Access ?????
  • Access ????

 
29
8-6 Access ?????
  • ???????(1)
  • ?????
  • ????Access???????,????????????,???????????????????
    ?????????????????,?????????????

30
8-6 Access ?????
  • ???????(2)
  • ????
  • ??????????,???????????,????????????????,??????????
    ??????,?????????????

31
8-6 Access ?????
  • ???????(3)
  • ????
  • ???Access????????????????,?????????????????

32
8-6 Access ?????
  • ???????(4)
  • ????
  • ???????????!?????????,?????????????

33
8-6 Access ?????
  • ???????(5)
  • ????
  • Access?????????????,????????????,?????????????
  • ????
  • ????VBA(Visual Basic for Application)??????????,??
    ?????????,??????????,???????????????
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