CHUONG1-KhaiQuatCongNgheHuongDoiTuong ppsx

CƠ SỞ DỮ LIỆU HƯỚNG ĐỐI TƯỢNG  KHÁI QUÁT CÔNG NGHỆ HƯỚNG ĐỐI TƯỢNG  Hoa Sen University www.hoasen.edu.vn 3 Nội dung   !  "#$%&'$"()%*+  ,-%'$"()%*+  .) !!/0(1.  2345"()%*+   6!7"()%*+  "400(81"93:(81"   00(81";<= $> Hoa Sen University www.hoasen.edu.vn 4 Lịch sử phát triển các mô hình dữ liệu ?@ AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA16!$ ?B ?C ??  AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA!/4$> AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"D AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA1E:( AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"DC@ AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0(1.F AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA"D?? G1 AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA0(1.HF G1 8I!J 16!$ ,K 1)%*+ 16!$  1L 1MI Hoa Sen University www.hoasen.edu.vn 5 CSDL quan hệ CID Title TIN207 Cơ sở dữ liệu TIN208 Hệ quản trị CSDL TIN209 Cơ sở dữ liệu phân tán TIN210 Transact processing FFF N  "(3M O +6!$P O QR 6!$ 3S<TF  :3<!T439UVW4XQWY$ 4LQZQP!TXQN  (L!/V[Q[QH[Q8[QN  ,L*6!$ V\Q=!QW=  "DV"EEKQ]"E:KQ ^(_KEQ(EEKEQN  1T* 6!7"(V1>"DQ"D "E:`E:Q0:_EQN SID Name Age 061001 Trần Anh 18 061002 Lê Tuấn 19 061003 Lý Hiền 18 061004 Mai Thiện 18 FFF SID CID Mark 061001 TIN207 2.3 061002 TIN207 3.6 061001 TIN208 2.1 061004 TIN208 3.1 FFF Hoa Sen University www.hoasen.edu.vn 6 Giới hạn của CSDL quan hệ  $a+9)9 b5) %*+F  ` Y$ !$9)#=F  c7%+I!J !%7F  !/Y$%WdL##=F  e4)LF  2Yf7!>9I% 6!F  2Y#$$43F  N Hoa Sen University www.hoasen.edu.vn 7 Sự ra đời của CSDL hướng đối tượng  S,K<g%h!934iC9)Z!! %F  KX+6!$ 9)b5,K3T9 WY WiF  jkL4l93"(3i&$Q  93<74F  :7 !'$%*+M>$9I%Z#F  '>%d&'$ ! AmhT !X+49 !93!>k!I  !F Am"()%*+$%&934i?X+ %-%'$S)%*+93W7i'$ "( Hoa Sen University www.hoasen.edu.vn 8 Sự ra đời của CSDL hướng đối tượng 27i"( K439U _43 8Z9 ,d& "$4- Gn$4 5d K!>9I 24 ! S,K o 8$4%Y Kp$W= ,$ ,dI%*+ KX+%-%'$S,K93W7i'$ "( Hoa Sen University www.hoasen.edu.vn 9 CSDL hướng đối tượng  ( !%+<!f%*+  ,$!>I  K!TX93b  $=!Q*6!$ Q*W=+  MIW!qT  2!&a%r$  2!p!+  ,4-%$p$W=  Lds49l4$tQls49ltQPW=!T  W$<4  PW=%=S,K Hoa Sen University www.hoasen.edu.vn 10 CSDL hướng đối tượng "!l "]( $l _l _l ._st lluv4s4!l](t $u!4st E4 1$W:ll9l E4($l l_9K4($lst l[$1$Wst 4!l ]( Kl lKlst .$!$l"!l ^l$u$w4 .:Eu4l .1_Ku4l $u!4st ^l"!l $u4l $u4l $u!4st  FF FF  4!l0!l .lu0<wl9l 0<wl9l 4!l0<wl9l .lu4lst 4l 4!l4l .lu"l!l "l!l 4!l"l!l