{"id":405,"date":"2024-07-08T05:35:56","date_gmt":"2024-07-08T05:35:56","guid":{"rendered":"https:\/\/the.2days.kr\/?p=405"},"modified":"2024-07-08T05:35:56","modified_gmt":"2024-07-08T05:35:56","slug":"%eb%8d%b0%ec%9d%b4%ed%84%b0-%eb%aa%a8%eb%8d%b8-%ea%b5%ac%ec%84%b1%ec%9a%94%ec%86%8c%ec%99%80-%ec%a2%85%eb%a5%98","status":"publish","type":"post","link":"https:\/\/the.2days.kr\/?p=405","title":{"rendered":"\ub370\uc774\ud130 \ubaa8\ub378 \uad6c\uc131\uc694\uc18c\uc640 \uc885\ub958"},"content":{"rendered":"
\n

\n
\n \ub370\uc774\ud130 \ubaa8\ub378\uc774\ub780?
\n <\/b>\n<\/p>\n

\n \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad6c\uc870\uc758 \uadfc\uac04\uc744 \uc774\ub8e8\ub294 \uac83\uc740 \ub370\uc774\ud130 \ubaa8\ub378(Data Model)\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \ubaa8\ub378\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uacc4 \uacfc\uc815\uc5d0\uc11c \ub370\uc774\ud130\uc758 \ub17c\ub9ac\uc801\uc778 \uad6c\uc870\ub97c \ud45c\ud604\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \ub124\ud2b8\uc6cc\ud06c\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \uac1d\uccb4 \uc9c0\ud5a5\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uacfc \ub124\ud2b8\uc6cc\ud06c\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 1960\ub144~1970\ub144\ub300\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub418\uc5c8\uc73c\uba70, \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 1980\ub144\ub300 \ucd08\ubc18\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uac1d\uccb4 \uc9c0\ud5a5\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 1980\ub144\ub300 \ud6c4\ubc18\uc5d0 \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc758 \ub2e8\uc810\uc744 \uac1c\uc120\ud558\uae30 \uc704\ud574 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4. \uadf8\ub9ac\uace0 1990\ub144\ub300 \ud6c4\ubc18\uc5d0\ub294 \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc5d0 \uac1d\uccb4 \uc9c0\ud5a5 \uac1c\ub150\uc744 \ub3c4\uc785\ud55c \uac1d\uccb4-\uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\ub3c4 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n

\n

\n
\n \ub370\uc774\ud130 \ubaa8\ub378\uc758 \uad6c\uc131\uc694\uc18c
\n <\/b>
\n
\n 1. \uad6c\uc870(Structure) : \ub17c\ub9ac\uc801\uc73c\ub85c \ud45c\ud604\ub41c \uac1c\uccb4\ub4e4 \uac04\uc758 \uad00\uacc4\ub97c \ud45c\uc2dc\ud569\ub2c8\ub2e4.
\n
\n 2. \uc5f0\uc0b0(Operation) : \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc800\uc7a5\ub41c \uc2e4\uc81c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\ub294 \ubc29\ubc95\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.
\n
\n 3. \uc81c\uc57d\uc870\uac74(Constraint) : \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc800\uc7a5\ub420 \uc218 \uc788\ub294 \uc2e4\uc81c \ub370\uc774\ud130\uc758 \ub17c\ub9ac\uc801\uc778 \uc81c\uc57d \uc870\uac74\uc744 \ud45c\uc2dc\ud569\ub2c8\ub2e4.\n <\/p>\n

\n

\n

\n
\n
\n<\/span>
\n \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \ucd9c\ucc98 : DBMS Internals
\n <\/figcaption><\/figure>\n<\/p>\n

\n
\n \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378(Hierarchical Data Model)
\n <\/b>
\n
\n \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \ucd08\ucc3d\uae30 \uba54\uc778\ud504\ub808\uc784 \ucef4\ud4e8\ud130\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc5d0\uc11c \ub370\uc774\ud130\ub294 \ub808\ucf54\ub4dc\uc640 \ub9c1\ud06c(Link)\ub85c \uad6c\uc131\ub41c \ud2b8\ub9ac \ud615\ud0dc\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub9c1\ud06c\ub85c \uc5f0\uacb0\ub41c \ub808\ucf54\ub4dc \uc9d1\ud569\uc740 \ubd80\ubaa8-\uc790\uc2dd \uad00\uacc4\ub97c \ud45c\ud604\ud558\ub294\ub370, \ubd80\ubaa8 \ub178\ub4dc\ub294 \ub2e4\uc218\uc758 \uc790\uc2dd \ub178\ub4dc\ub97c \uac00\uc9c8 \uc218 \uc788\uc9c0\ub9cc \uc790\uc2dd \ub178\ub4dc\ub294 \ud558\ub098\uc758 \ubd80\ubaa8 \ub178\ub4dc\ub9cc \uac00\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \ubd80\ubaa8 \ub178\ub4dc\uc640 \uc790\uc2dd \ub178\ub4dc \uac04\uc758 \uad00\uacc4\ub294 \uc77c \ub300 \ub2e4(1 : N) \uad00\uacc4\uc785\ub2c8\ub2e4. \uc704\uc758 \uc774\ubbf8\uc9c0\ub294 \uc5ec\ub7ec \uac1c\uc758 \uc790\uc2dd\uc744 \uac70\ub290\ub9b0 \ubd80\ubaa8 \ub178\ub4dc\uc758 \uad6c\uc870\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uacc4\uce35\ud615 DBMS\uc5d0\ub294 ADABAS, IMS, DMS-II \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n

\n

\n
\n
\n<\/span>
\n \ub124\ud2b8\uc6cc\ud06c\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \ucd9c\ucc98 : GeeksforGeeks
\n <\/figcaption><\/figure>\n<\/p>\n

\n
\n \ub124\ud2b8\uc6cc\ud06c\ud615 \ub370\uc774\ud130 \ubaa8\ub378(Network Data Model)
\n <\/b>
\n
\n \uadf8\ub798\ud504 \uad6c\uc870\uc5d0 \uae30\ubc18\uc744 \ub454 \ub124\ud2b8\uc6cc\ud06c \ub370\uc774\ud130 \ubaa8\ub378\uc740, \ub808\ucf54\ub4dc\ub97c \ub178\ub4dc\ub85c, \ub808\ucf54\ub4dc\uc640 \ub808\ucf54\ub4dc \uac04\uc758 \uad00\uacc4\ub294 \uac04\uc120(Edge)\uc73c\ub85c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \uc704\uc758 \uc774\ubbf8\uc9c0\uc640 \uac19\uc774 \ud558\ub098\uc758 \ub808\ucf54\ub4dc\uc5d0 \ub2e4\uc218\uc758 \ub808\ucf54\ub4dc\ub97c \uc5f0\uacb0\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc5d0 \ub808\ucf54\ub4dc\uc640 \ub808\ucf54\ub4dc \uac04\uc758 \uad00\uacc4\ub294 \ub2e4 \ub300 \ub2e4(M : N) \uad00\uacc4\uc785\ub2c8\ub2e4. \ub808\ucf54\ub4dc\ub4e4\uc774 \uac04\uc120\uc73c\ub85c \uc5f0\uacb0\ub418\uc5b4 \uc788\uc73c\ubbc0\ub85c \ub808\ucf54\ub4dc\uc758 \uad6c\uc870 \ubcc0\uacbd\uc774 \uc5b4\ub824\uc6cc \ud655\uc7a5\uc131\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \ub124\ud2b8\uc6cc\ud06c\ud615 DBMS\uc5d0\ub294 CODASYL\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n

\n

\n
\n
\n<\/span>
\n \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \ucd9c\ucc98 :Binary Terms
\n <\/figcaption><\/figure>\n<\/p>\n

\n
\n \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378(Relational Data Model)
\n <\/b>
\n
\n 1970\ub144 IBM \uc5f0\uad6c\uc18c\uc758 \ucf54\ub4dc(E. F. Codd)\uac00 \uc81c\uc548\ud55c \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \ub2e4\ub978 \ub370\uc774\ud130 \ubaa8\ub378\uc5d0 \ube44\ud574 \uac1c\ub150\uc774 \ub2e8\uc21c\ud558\uba70, \ud604\uc7ac \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \uc704\uc758 \uc774\ubbf8\uc9c0\uc640 \uac19\uc774 \ud589\uacfc \uc5f4\ub85c \uad6c\uc131\ub41c 2\ucc28\uc6d0 \ud14c\uc774\ube14(Table)\uc5d0 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud569\ub2c8\ub2e4. \ud14c\uc774\ube14\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \ud45c\ud604\ud558\ub294 \ud558\ub098\uc758 \uc5d4\ud2f0\ud2f0(Entity)\uc5d0 \uad00\ud55c \uc815\ubcf4\ub97c \uc800\uc7a5\ud558\uba70, \uace0\uc720\ud55c \uc774\ub984\uc744 \uac00\uc9d1\ub2c8\ub2e4. \uc5ec\uae30\uc11c \uc5d4\ud2f0\ud2f0\ub780 \uc0ac\ub78c, \uc7a5\uc18c, \uc0ac\ubb3c, \uc0ac\uac74 \ub4f1\uacfc \uac19\uc774 \ub3c5\ub9bd\uc801\uc73c\ub85c \uc874\uc7ac\ud558\uba74\uc11c, \uace0\uc720\ud558\uac8c \uc2dd\ubcc4 \uac00\ub2a5\ud55c \uc2e4\uc138\uacc4\uc758 \uac1d\uccb4\ub97c \uc758\ubbf8\ud569\ub2c8\ub2e4. \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \uac04\ub2e8\ud558\uc5ec \uc774\ud574\ud558\uae30 \uc26c\uc6b0\uba70, \ub370\uc774\ud130\uc758 \uc800\uc7a5 \uc704\uce58\uc640 \uc811\uadfc \ubc29\ubc95\uc744 DBMS\uac00 \uacb0\uc815\ud558\uae30 \ub54c\ubb38\uc5d0 \uc0ac\uc6a9\uc790\ub294 \ud544\uc694\ud55c \ub370\uc774\ud130\ub9cc \uba85\uc2dc\ud558\uba74 \ub429\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uad00\uacc4\ud615 DBMS\uc5d0\ub294 DB2, Oracle, MySQL, MS SQL Server, Access \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n

\n

\n

\n
\n
\n<\/span>
\n \uac1d\uccb4 \uc9c0\ud5a5\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \ucd9c\ucc98 : Preplnsta
\n <\/figcaption><\/figure>\n<\/p>\n

\n
\n \uac1d\uccb4 \uc9c0\ud5a5\ud615 \ub370\uc774\ud130 \ubaa8\ub378(Object-Oriented Data Model)
\n <\/b>
\n
\n 1980\ub144\ub300 \ud6c4\ubc18\uc5d0 \ub4f1\uc7a5\ud55c \uac1d\uccb4 \uc9c0\ud5a5\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \uac1d\uccb4 \uc9c0\ud5a5 \ud504\ub85c\uadf8\ub798\ubc0d\uc758 \ud328\ub7ec\ub2e4\uc784\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc989 \ub370\uc774\ud130\uc640 \uba54\uc11c\ub4dc(Method)\ub97c \ud558\ub098\uc758 \uac1d\uccb4\ub85c \ub2e4\ub8e8\uae30 \ub54c\ubb38\uc5d0 \uc774\ud574\ud558\uae30 \uc27d\uace0, \uc720\uc9c0\uc640 \ubcc0\uacbd\uc774 \uc6a9\uc774\ud569\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uac1d\uccb4 \uc9c0\ud5a5\ud615 DBMS\uc5d0\ub294 Objectivity, GemStone, O2, Ontos, Versant \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ud55c\ud3b8 1990\ub144\ub300 \ud6c4\ubc18\uc5d0\ub294 \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc5d0 \uac1d\uccb4 \uc9c0\ud5a5 \uac1c\ub150\uc744 \uac00\uc9c8 \uc218 \uc788\uac8c \ud655\uc7a5\ud55c \uac1d\uccb4-\uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378(Object-Relational Data Model)\uc774 \ub4f1\uc7a5\ud588\uc2b5\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uac1d\uccb4-\uad00\uacc4\ud615 DBMS\ub85c\ub294 Informix, Universal Server, Oracle 9i \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.\n <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

\ub370\uc774\ud130 \ubaa8\ub378\uc774\ub780? \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad6c\uc870\uc758 \uadfc\uac04\uc744 \uc774\ub8e8\ub294 \uac83\uc740 \ub370\uc774\ud130 \ubaa8\ub378(Data Model)\uc785\ub2c8\ub2e4. \ub370\uc774\ud130 \ubaa8\ub378\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uacc4 \uacfc\uc815\uc5d0\uc11c \ub370\uc774\ud130\uc758 \ub17c\ub9ac\uc801\uc778 \uad6c\uc870\ub97c \ud45c\ud604\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \ub3c4\uad6c\uc785\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \ub370\uc774\ud130 \ubaa8\ub378\uc740 \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \ub124\ud2b8\uc6cc\ud06c\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378, \uac1d\uccb4 \uc9c0\ud5a5\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uacc4\uce35\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uacfc \ub124\ud2b8\uc6cc\ud06c\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 1960\ub144~1970\ub144\ub300\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub418\uc5c8\uc73c\uba70, \uad00\uacc4\ud615 \ub370\uc774\ud130 \ubaa8\ub378\uc740 1980\ub144\ub300 \ucd08\ubc18\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uc5c8\uc2b5\ub2c8\ub2e4….<\/p>\n","protected":false},"author":1,"featured_media":404,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_kadence_starter_templates_imported_post":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[17],"tags":[],"_links":{"self":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/405"}],"collection":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=405"}],"version-history":[{"count":1,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/405\/revisions"}],"predecessor-version":[{"id":406,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/posts\/405\/revisions\/406"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=\/wp\/v2\/media\/404"}],"wp:attachment":[{"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/the.2days.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}