S DNG VISIO V CC S MN PHT TRIN H THNG THNG TIN
S dng Microsoft Visio v cc s
MC LC1. S phn r chc nng (Functional Decomposition Flowchart)..............3To s phn r chc nng:.........................................................................................3
2. S chc nng cho (Cross Functional Flowchart):................................8Cc loi k hiu thng s dng trong s chc nng cho:....................................11
3. S dng chy d liu (Data Flow Diagram DFD)............................13Xy dng s DFD (theo k php ca DeMarco and Yourdon)................................13 Xy dng s DFD (theo k php ca Gane and Sarson).........................................13
4. M hnh d liu quan h............................................................................14Cc quan h gia cc thc th:.....................................................................................15
L Th Qunh Nga
Trang 2/17
S dng Microsoft Visio v cc s
1. S phn r chc nng (Functional Decomposition Flowchart)Vo File/New/Business/Organization Chart
To s phn r chc nng:Bn cng c th to 1 s phn r chc nng bng cch Import t 1 file dng excel m bn to t trc. V d: bn to 1 file excel c ni dung sau:
L Th Qunh Nga
Trang 3/17
S dng Microsoft Visio v cc s
Trong visio, vo menu Organization Chart/Import Organization Data
L Th Qunh Nga
Trang 4/17
S dng Microsoft Visio v cc s
L Th Qunh Nga
Trang 5/17
S dng Microsoft Visio v cc s
L Th Qunh Nga
Trang 6/17
S dng Microsoft Visio v cc s
L Th Qunh Nga
Trang 7/17
S dng Microsoft Visio v cc s
Sau khi click vo Finish Kt qu s l:
Sauk hi to xong s , bn nn sp xp li v tr ca cc chc nng cho ph hp bng cch click chut vo cc chc nng, thc hin ko v di chuyn n v tr mi ph hp.
2. S chc nng cho (Cross Functional Flowchart):Vo File/New/Flowchart/Cross Functional Flowchart
L Th Qunh Nga
Trang 8/17
S dng Microsoft Visio v cc s
Xut hin hp thoi Flowchart
Chn kiu hin th s : hng nm ngang (horizontal) hay thng ng (vertical). Chn s ct trong s bm OK. Xut hin s mu nh hnh bn di
L Th Qunh Nga
Trang 9/17
S dng Microsoft Visio v cc s
Double click chut tri in tn h thng/Tn tin trnh v tn cc thnh phn tham gia thc hin cc chc nng ca h thng. Panel bn tri (phn Basic Flowchart Shapes) l danh sch cc k hiu cn s dng trong s chc nng cho.
Ring k hiu ca kho lu tr d liu ngoi vi, so snh i chiu, sp xp bn phi vo File/Shapes/Flowchart/Miscellaneous Flowchart Shapes ly cc k hiu ny.
L Th Qunh Nga
Trang 10/17
S dng Microsoft Visio v cc s
Khi v s chc nng cho, bn phi xc nh xem cn s dng k hiu no, thc hin chn k hiu, ko k hiu vo mn hnh nhp liu. Khi cn ghi ni dung vo k hiu, double click vo k hiu ri nhp ni dung.
Cc loi k hiu thng s dng trong s chc nng cho:
Ni lu tr ngoi tuyn tng qut L Th Qunh Nga l ni lu tr khng c ni trc tip y vi n v x l trung tm ca my tnh. Do Ni lu ht chiu Spsnh i trang So n bao gm tt (trn my) Du xp tr d liuc nhng phng tin lu ni tip trang
Trang 11/17
S dng Microsoft Visio v cc s Dng chy Biu din hng v trnh t ca dng chy Thao tc th cng V d: chun b x l mt chng ha n Thao tc trn my V d: lp n t mua hng
Ti liu V d: mu n hng ca cng ty
Ni lu tr ngoi tuyn tng qut y l ni lu tr khng c ni trc tip vi n v x l trung tm ca my tnh. Do n bao gm tt c nhng phng tin lu tr bng tay. V d: mt tp tin ha n bng Ni lu tr d liu (trn my)
Du ni tip trang
Du ni ht trang
So snh i chiu
Sp xp
L Th Qunh Nga
Trang 12/17
S dng Microsoft Visio v cc s
3. S dng chy d liu (Data Flow Diagram DFD)Xy dng s DFD (theo k php ca DeMarco and Yourdon)Vo File/New/Flowchart/Data Flow Diagram
Xy dng s DFD (theo k php ca Gane and Sarson)Vo File/New/Software and Database/Data Flow Model Diagram
L Th Qunh Nga
Trang 13/17
S dng Microsoft Visio v cc s
4. M hnh d liu quan hVo File/New/Software and Database/Database Model Diagram
L Th Qunh Nga
Trang 14/17
S dng Microsoft Visio v cc s
Cc quan h gia cc thc th:Trong visio, khng th th hin c quan h nhiu nhiu (n-n) (trong m hnh d liu quan nim). Cho nn, bn phi chuyn cc quan h nhiu nhiu thnh cc quan h 1 nhiu (theo cc quy tc chun ha). V d: C 2 thc th: DonDatHang (n t hng) v NguyenVatLieu (Nguyn Vt Liu). Mi quan h gia 2 thc th ny l n-n (Mt n t hng c th t nhiu nguyn vt liu khc nhau, mt nguyn vt liu c th c mt trn nhiu n t hng) Pht sinh thm 1 thc th mi, ly kha t 2 thc th ny sang lm b kha bn thc th mi. DonDatHang(MaDDH, NgayLap) NguyenVatLieu(MaNVL, TenNVL, DVT, SoLuongTon) ChiTietDDH(MaDDH, MaNVL, SoLuong, DonGia) Sau , s dng visio to 3 thc th ny, v to cc mi quan h gia cc thc th:
L Th Qunh Nga
Trang 15/17
S dng Microsoft Visio v cc s
Nu bn mun cc du mi tn ch mi quan h xut hin loi quan h Vo menu Database/Options/Document
Xut hin hp thoi:
L Th Qunh Nga
Trang 16/17
S dng Microsoft Visio v cc s
L Th Qunh Nga
Trang 17/17
