tổ chức cơ sở dữ liệu - Pdf 16


Tổ chức cơ sở dữ liệu

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 11$ 
 ,!1

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81$%"#!/
11 " + 
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   !"#$
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4 ,,,+#,-
• '! #"
• '!
• '!/
• '!%#
• '!

(." %(,
 " ,,-
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• : 
• ; 

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;/3$1".
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 $.$" /


• 7! !  
1 ,

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 *AG    A
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  '! 
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  ? &M&M
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3&
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1%,&
*((# ,,-


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;

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, &
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 &4.1"1%+#,"1
$.#&=
DF-FKT@-FNUOG? E #
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   #  /     !   1    
!1&
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(1G$511
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  KG

7 "  ,"PG

7 
 "  AG

7"FG

7
KG

7#PG

",1$#<"$.
+/F/O/P? 7
 ,/,#-
L< "<$D&E&
*/K
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S;;'QQ9*H;Q;*L[H\J*S'='H*JQ] ^*6
1##$V",! #
=VM*#3O-
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   !"#$
* "$! ,!1:C::+
1,DE&
*#,&* #$V""
", #3P-

63P-6 #=V;,
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D",E!,!.1"$F@G
$2&*$!
 ,$!#$.
$" ", #%,&
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  2    1  & 0  !     # 
M&M!1D",E-
• J !- 
' #1" #M
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4,,MS,,_%
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1$! //
#11 
@& `   3     # # ,"  ,  /
  # ## ,W, #W, ,,  Q4 D(#U
(aE&C##,W,/#1
#W,5/#1
+#(&C##Q41/
3+#&bc.+# Q%13,
"    4 %    #   D ( $
,,E& C ##  / 3  1 
/&
O& 111/Q4

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#11  "!#
1/&7$! 1
 %(%"3%$%
&4 "!,$

   !"#$
#"1###
,$
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,,$$
/!" 
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1 

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3f

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63FF-6 #7
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#  #,#&:#%
/,!$ #
,#&L # 1
,# &
7  :,,R4# \,#,R=V ,,?  ,!   #  =V
4#\,#,:,3FO-

!12=V4\,#,:,! #
#  ,  " :,,i4# ,#, "  h/, +
7,,, # &

   !"#$
' #/"
$,,,R,
 "
"
L ,( D*,VV/,E-##
! ,(  
• =DL,,E-* $! 
$   D,,UE !   + !    "  
&
• =D4#,#,,E-J,, 
,( "$##(
$
• =#DJ,E-J"
!&7$!  $$$
   ##  # %        !    "
 
 #," #,



63FP-6 #4#\,#,h/,

:/%:C::



63FA-6 #4#\,#,7,,,

0/%,

   !"#$
* * * C R O S S T A B U L A T I O N * * *

$NOI_XEM (paired group) Noi xem bong da
by Q15B_1 A/C thích xem ôû ñaâu nhaát? Q15B_1

Count Nha Quan cafe Bar Sân van Nha van
Row pct  dong hoa Row
Col pct  Total
Tab pct  1  2  3  4  5 
$NOI_XEM 
1  80  19  3  59  2  163
Nha  49.1  11.7  1.8  36.2  1.2  63.2
 86.0  42.2  50.0  53.2  66.7 
 31.0  7.4  1.2  22.9  .8 

2  9  18  1  20  1  49
Quan café  18.4  36.7  2.0  40.8  2.0  19.0
 9.7  40.0  16.7  18.0  33.3 
 3.5  7.0  .4  7.8  .4 

1$
7":4,&4.1,!
$ ,&L,

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