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CHƯƠNG I : ĐẠI CƯƠNG VÀ KHẢO SÁT HỆ THỐNG
I. CƠ SỞ LÝ THUYẾT
_& Nghiên cứu – khảo sát hệ thống cũ để làm gì ?
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^& Chiến lược điều tra và quy trình khảo sát hệ thống
Chiến lược điều tra
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$9&`:,L4K5,N!b
 5K+$&
 555"6dK+$&
 5#$O+$HL&
e?"65R@3X3.,
• fR@35#$g$5;!5.N
#5$O3T3.#!5X3.
/L
• 'X3.,3#!5.N:55,B/
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5$D:,L+$b
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Quy trình khảo sát hệ thống
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.N.8G%5ET,83T,iJ/&

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
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a&
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j& Xây dựng dự án
Mục tiêu của dự án
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#$O+
$HL
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Xây dựng giải pháp

k"):.N!L</D;#,+.
X83h+@hXS: 4;J
.NZ&-.%")")$+,Nb
• 2; +.6&
• 2; +s>3.&
• 2; +3H)&
• 1O35,N55N9.N#;<&
'/;5+$;")$H;J")5m3/
;/HX"65aL9@.38&
II. MÔ TẢ HỆ THỐNG KHẢO SÁT
1. Giới thiệu về công ty TNHH Thương mại VIỆT BÌNH
Một số nét về công ty Việt Bình
• A'11A8-.PO3:".R
@5!;I! NC"a&
• AE$CJ,J3$9&
• 5!;INJL>B3!;%@:E3*
93&
• (L3>B ^ttu&
• Ah!N54:$3jtC&
• q3 $jtv-'q&
• (EVb2`wxN:_[fC13y.
x>13`A3N13':&
• (.8btrwz_{uww|%btrzw_rjrw
• }5Nb'W1+[
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Sơ đồ tổ chức của công ty TNHH Thương mại Việt Bình
 b
y34:>/X @$.N#;<453
$),3.4535,E$5

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  
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2. Mô tả nghiệp vụ bán hàng của công ty
Quy trình bán hàng
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35/4533>,4;3!;I&
AM44;3537>J3<44;&fQ
3H/$5.+M5OX57LR
>T^4$LK45&
cA$;4G+S&
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-.'•!N3;b^_j_ttttt{rw{up&
1OX5/Db
cA5!>3&
cA5>B_ujt3&
cA5ut€>3o$;"]M8Ep&
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J'339-.'&oAMEy8A133C$),
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33N#.3 TS3!F9p&
e353/$5. !/
534G5,4;3b‚',!;Id!nL4;3
M#,J3!;%@38".3[-.'>ƒ&
2.2Quy trình nhập hàng
23/.6;Q453+OO
3/Q8$&13O7,3O!F,&(KC!n
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+3i>3!n]3@!;I
DS3&

27/L3+23!n>,>3,>
33&fQ3H!n/$5."E93@
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3&fQ453!nX$h95Q4Q8%M
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!;I9&AB/#,E%M/>>!;I/&
2.3Báo cáo – Thống kê
AMB5Q3H!n/N+5;A
45N&
fQ453!n/4;455+OO53!NL!;
I6$5#&
23!n455!NL!;IK$L37,
3L3!F,>>B3&
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 `:!N]5J.N/3b
• 1.N;/"..#M:"W"3C
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• 1.N;/,:!36KG;4;3+
S"T.3&
• 1.N;/,:4;>NV3.N9C/
#+!?"6.N&
• 1.N;L3S$55.8J&
r& Giải pháp xây dựng hệ thống mới
 @hXJ$35Q4!D
58:4E$Ki$h@+3H3
H&
 P5N&
 P:>453&
 P:>3H&
 P:>>3&
 P:>3&
 P:>3&
=/4:>>3X J4:>3/3b
E$5.@3DO$83$4E‚
,ƒ&P:>3/.6"E93@/]
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3@3>S3J93@&(KCM
"l#5$O3Z>3+JO&2/
4@X394:>33.6;!5E$C$K4558
945ND$#,ENa/>!;I
/3&
-.$4:>>373/>3
B/4:>#;<3$),38
"E95S3@33]N#$g@$
>3453&
 k")$O#;<4535"6.
3#5$O#;<b

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 f]!*"T.b/D%")4G`$!‰exyeMM$
`$!‰[M!!&&&
 f]  >  $O  b  /  D  !?  "6    6    `$!‰  [M!!
`$!‰|%$`$!‰-!P!&&&
 1.NL3S35$D")$+.+3Š"‹!
kf&
1.N%")%/D3>38@;55H
$&A@;55H$.N;N8y['9
D$h"T.:5N@&1.N9"..!n=
5!?"6L/8.#;.N@&
/D/$G.%")H3,,.N33
5XL5]X 5.6J3!*
D%")5X"6!3&
CHƯƠNG II : PHÂN TÍCH HỆ THỐNG VỀ CHỨC NĂNG
I. CƠ SỞ LÝ THUYẾT
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1. Biểu đồ phân cấp chức năng
PDK@X oPfp364D"W.$7/
X4>;5.]).&`dX L$
:3,]!nL3TX !NX
$6:3H\3:X8J.N&
5+*$1$67
A3]4DK4Kb
• AX bdX /:"@"9"8:B
c4hT&
• 2<.bX L<.4GOT>4$/
X &
AX 
• 2,Nb,NT5X H@3L<

.4G8ŒNX ‚ƒ9X ‚ƒ&
2. Biểu đồ luồng dữ liệu
PDKK"T.oPyqp34DKG6H"W;:#5
$O%?<36HJ#5$OHG6H
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 86709:;<$=">??@
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X &
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cAX b:Bc4hT&
 &+*AB:C+<DE:"F?
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cAbqBcHB&
A53

 4="<I>=:GH@
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]?:.$8J4DK&
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cAgb(:B•4hT,]&
3. Phân rã luồng dữ liệu theo mức
A"T.
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 `X4N;;oXtpV/:Pyq$/V
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$h953&
 `XVoX_pZV/:PyqK5X HJ
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 `X"9VoX^jru&&&pdXK+4DKK"T
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8J?9AJ5$=K/^5H&
 f5A"‹bABX h#5,$7
35X ,>LX ;@
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 f5PbAB,,h#5/5
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X J3.N&
II. XÂY DỰNG HỆ THỐNG VỀ CHỨC NĂNG
_& Phân rã chức năng
AB.N),7;!5.]3;%5EL5
X .6];,3N9.N")E%")&
ABT<,4;J!KX .6,L9
O.$),&
A$433!?"65A"‹D%")3,,
.N+SX &
-9@hXKbP5N4:>4534:>3
H4:>>34:>34:>3&
1.1. Mô hình chức năng tổng thể
1.N4K5X H!b
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`;.Nb
 x;<453b"4:>45334:>3;
.&x;<@;5!;I45$35+53
KC;..>D343!;I,>5
3&
 x;<3Hb"4:>3H;.&-9X 
A#;<LN953&(3]#$g@
#,E,!)>3J;&
 x;<>3b"4:>>3;.&-9.
3?S3,3!;%@$),M"l.D3>
3B3@,3J&
 x;<3b"4:>3;.&-9X 
$T3/M"lŽ>%@K•D3/B3
@,C"a##$O453&

1.2. Mô hình chức năng Quản lý Bán hàng
x;<453"4:>45334:>3$),
;.&
`;X b
_z
 y>S3b2,>]+!;IBH5
3D$@J+.@!;I53&P:>
453!n>S3&
 y>/453be7L953%&
(S37/4:>453!n>/453D5
953&
 y>,%@3be%5E$/!;I5
3]&P:>453>,%@3?%ND@!;
I4353&
 >>53b@533
"T.D534:>3H&
 y>455453bP55+OO453$5!n
L?+45N&
 }3b/.643!;I7L],
53$),)..5N953!/
D,Q3H&
1.3. Mô hình chức năng Quản lý Tài chính
x;<3H"4:>3H;.&
`;X b
 '>/5b!3LD,5
3&253!n5/453SL8M5+
;7$LK&P:>453!n?$;8345594:
83H+/5J53&AB/4:>3H
!n#;<LN953#/5&
 x;<Lb3.6S$J4:>3

H&'//X #$gD;4;8:J&
_{
 N/b3.DN5;737
!/45545N&
P55N•1/453/>3&
 ANbhL5;+LB/453&
AhL5;D!;IB3@Z$;
!*>@66&
1.4. Mô hình chức năng Quản lý Nhập hàng
x;<>3"4:>>3$),;.3
"E93@!;IG6H/J!NL366
#5$O445J&
`;X b
 >>]b3,>]>3J4:>
33J45N&AB/D$].93@D
/LH%5+!;I]>&e/9>S
3?,3@&
 y>S3be/5]JB3@!;
I&P:>>3!n,3>S3D!;I&
 >>,#;/b3Na$#;<>3&
e;I,3B3@!nL,>&(K
C/.6593@&
1.5. Mô hình chức năng Quản lý Kho hàng
x;<3"P:>3;.#;<.>
33%@3M"l3/$+>%@KD
458945N3>>,4:>453&
_w

`;X b
 y>,%@b!4:>4537L3

N@953&P:>453!n>,%@3?9
3]%@3
5=J8!NL&&&e/3!n%@33
>,%@&
 y>,>b/39+4:>>3!nD
3,3J&e,>J+!NL3J
834:>3!n>,>DX>$G7>
JL33J&
 >>>%@Kb3#$g/#,
E$),,8:J&ABL345$L3
>3T!;I345H458Q8$&&&-.N
/!n=45N8E$l$3,8T5,
M&'G6HNaM8"@&
 P55Nb3.D,D455OO3
$,45N&x/4:>453+L
3/$D$h445953&A,4:>
>3D4533Q33,&
2. Biểu đồ phân cấp chức năng
q)3X ,J.N7H*$%")
4DK@X J.N#;<453!b
_‡
3. Biểu đồ luồng dữ liệu
3.1. Biểu đồ luồng dữ liệu mức khung cảnh( mức 0 )
PDKX;5O5#5+.N&A$/
V/:X "@/3.N#;<453&k5>5
5N9.N&
A53J.N32533@&&&-95K
"T.$NT.N3553&
e34DKK"T.*X;Qg3Xtb
^t

5+*:+*AB:C+6+2
3.2. Biểu đồ luồng dữ liệu mức đỉnh( mức 1 )
PDKXV;5X HJ.N%5E$l
N#.X55$J.N&X HJ.
N/rX 4;/3b
• x;<453&
• x;<3H&
• x;<>3&
• x;<3&
A$/Q%5E"T.b253/453&
^_
3.3. Biểu đồ luồng dữ liệu mức dưới đỉnh ( mức 2 )
(N9dX $3>4DKK"T."9V
Em3"W;5X /M5!b
cf$7X /3+X &
cA5X $4G5X HL&
c'X5#.JX B/4h!5K"T
.:4:35"T.:4:&
3.3.1. Chức năng Quản lý bán hàng
5X H$#;<453/3b
 _&_&y>S3
 _&^&y>/453
^^
 _&j&y>,%@3
 _&r&>>53
 _&u&}3
3.3.2. Chức năng Quản lý tài chính
5X H$#;<3H/3b
 ^&_&'>/5
 ^&^&x;<L

 ^&j&N/
 ^&r&AN
^j
2"T.K/bc1/
c'>k@AK
3.3.3. Chức năng Quản lý Nhập hàng
X H$#;<>3/3b
 j&_&>>]
 j&^&y>S3
 j&j&>>,#;3
^r
A$//b
• 2"T.31/&
• 55bc'3@&
cP:>3&
cP:>3H
cP5N&
3.3.4. Chức năng Quản lý kho hàng
5X H$#;<3K/b
 r&_&y>,%@
 r&^&y>,>
 r&j&>>'>k@AK
 r&r&y>455N
^u