


Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm


       

             
 

               

    !          
"!#!

 $%          
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm

&'(   )**+,-  ."/0  - 
   "  '1'2 1       
&'( 3  )**4,-  5  6786/    
  -'35 9
&92 " )**+,-  ."/1  " :";  
*-."/    "  '1         
2 1  
&'( %0)**,- '(9<            -

 !"#$%&#'()
*+,# /#&0#%&#'()
          
 (9     
12$&"/#&0#
 %   
 % (  
 % "( ! 

Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm
$*$+

 !"    6 6     
"   E      !  "    
"  "E      ( F "        
    6    

 ( !  -!   (         
 G  9  -#    
      (9 6    (9 9! $ ! 
6  E D! !  (  F        
   (F " "E    
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm

8       58    %        !
 <            


6  ""   D"      
      '     

0 67 D   !        
   !    6      

?07F  -F  -F   +
  )H;(-?;"(-0(,, 

F !    ;  
?0
", ",/"#,0",1-"#
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm
", ",/"#,0",1-"#2,,3
Hinh 1-5 Thông tin bao mât theo mô hinh C.I.A
T
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m
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g
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm
78

1  F   7    

'Q#6E#A%S6LBV,UBB"B

4#'#-8U6JN;A/%d#ABC#N&>

  66(  7  

e$^66M$B>$?VH&$L67/63##M

89#';A/%d#$^6-VH&$L6\#J-2
VH&?4#'#
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm
782,,3
9":-;0<=->?,
Trường CĐ CNTT HN
Việt Hàn

A@A1."#<EXAAIJ3
"#Y"AZ"BC:0DEK/"#
LF:D<[A-"P<[:\0
]# ^0_`Ba"#"?FBC:0DEK/"#
LF:DB-"b>:c"-ZAAdH
]ef"#Ba"#K/"#S@A"?"#0@,1[
"?F5
C:0DEB ,gJ hEG,0D"K0BC:0DE
#0d"#"JEO LA>ePJ
:;0-ZA: E,1Ci"C"#
"!0K@A"JEQBc"OW"
BC:0DEK/"#,d"#"G,
-ZAB[, ^"#
0W,KWBC:0DE<[:\0:.>"PK/"#
, !"#,4A5j0BC:0DE,/"#, ^"#
2/"#, ^"#:.,0W",1V",0W,KWBC
:0DEBk"#OR:-;0,1g5."#Y"AZ"50DA
BC:0DEK/"#,d"#"G,5.B[, ^"#3
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm
f+gGK
hH#'i=C#6,B&0#?j#;PN
@A:-;0BC:0DE
F9"AGF
/,= HB-AIJ, "56"K0>G,BC:0DE
C:0DEK/"#
, "56"
hEG,0D"K0BC:0DEB 
,gJ5.O LA: E,1Ci

X%l#'89:;<#'
!4#'89#'-b6;PN
6/$!J6 O?0/S-m
;PNd-8U6>&%/VF
#'89:;<#'6M2
#T#,S#'89!"6
%86!/S-m6/$
!J
)h(!4#'e%U&E686
SJ67/-E63# #'#,!-b6
)PN!4#'
8n#'%/#
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:;<#'6M2%S6LB
?0-b6;PN>6Y#'
$9-2$#8#'
6p#'$,A #'#,
)h(!4#'e%U&E686
SJ67/-E63# #'#,!-b6
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm
$*pqrst

C s d li u   

H qu n tr c s d li u _ DBMS      

Mô hình logic: !   58  


 ! !   "  ( 7 #   & #  

"6VH#'$4H()

"6VH#'6,BIS.#

"6VH#'%S#LB-5#'9
$*p*$suv
Trường CĐ CNTT HN
Việt Hàn
Nguyễn Phương Tâm
rwtxv
Trng C CNTT HN
Vit Hn
Nguyn Phng Tõm
!"#,@A#0CJ,1V"f"#Ba"#
5.
Vùng làm việc của
các trình ứng dụng
Thủ tục của DBMS
Vùng làm việc của
DBMS
Các trình ứng dụngCác lệnh DMLCơ sở
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