{"id":468,"date":"2022-08-20T17:39:56","date_gmt":"2022-08-20T08:39:56","guid":{"rendered":"https:\/\/itpassport.net\/?p=468"},"modified":"2022-08-20T17:40:27","modified_gmt":"2022-08-20T08:40:27","slug":"dbms%e3%81%a8%e3%81%af-%e3%80%90it%e3%83%91%e3%82%b9%e3%83%9d%e3%83%bc%e3%83%88%e8%b3%87%e6%a0%bc%e6%94%bb%e7%95%a5%e3%83%8e%e3%83%bc%e3%83%88%e3%80%91-2-2-2-2-2-2-2-2","status":"publish","type":"post","link":"https:\/\/itpassport.net\/?p=468","title":{"rendered":"E-R\u56f3\u3068\u306f \u3010IT\u30d1\u30b9\u30dd\u30fc\u30c8\u8cc7\u683c\u653b\u7565\u30ce\u30fc\u30c8\u3011"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<div class=\"wp-block-sgb-say\"><div class=\"sgb-block-say sgb-block-say--left\"><div class=\"sgb-block-say-avatar\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/itpassport.net\/wp-content\/uploads\/2022\/06\/shirokuma2.png\" alt=\"\u3057\u308d\u304f\u307e\u6559\u6388\" width=\"80\" height=\"80\" style=\"border-color:#eaedf2\"><div class=\"sgb-block-say-avatar__name\">\u3057\u308d\u304f\u307e\u6559\u6388<\/div><\/div><div class=\"sgb-block-say-text\"><div class=\"sgb-block-say-text__content\" style=\"color:#333;border-color:#d5d5d5;background-color:#FFF\">\n<p>\u3044\u304d\u306a\u308a\uff01\u904e\u53bb\u554f\uff01<\/p>\n\n\n\n<p>\u3053\u3093\u306a\u554f\u984c\u306b\u6b63\u89e3\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308b\u3053\u3068\u304c\u30b4\u30fc\u30eb\u3067\u3059<\/p>\n\n\n\n<p>\u6700\u521d\u306f\u308f\u304b\u3089\u306a\u304f\u3066\u3082OK\u3001\u554f\u984c\u306e\u6587\u7ae0\u306b\u6163\u308c\u308b\u3053\u3068\u304c\u5408\u683c\u3078\u306e\u6700\u77ed\u8ddd\u96e2\u3067\u3059<\/p>\n<span class=\"sgb-block-say-text__before\" style=\"border-right-color:#d5d5d5\"><\/span><span class=\"sgb-block-say-text__after\" style=\"border-right-color:#FFF\"><\/span><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#5ba9f7;color:#FFF\" class=\"sgb-box-simple__title\">\u904e\u53bb\u554f\u3000IT\u30d1\u30b9\u30dd\u30fc\u30c8\u8a66\u9a13\u3088\u308a<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#5ba9f7;background-color:#FFF\">\n<p><strong>E-R\u56f3\u3067\u8868\u73fe\u3059\u308b\u3082\u306e\u306f\u3069\u308c\u304b\u3002<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u30a2\uff1aHDD\u5185\u306e\u30c7\u30fc\u30bf\u306e\u7269\u7406\u7684\u306a\u914d\u7f6e<\/p>\n\n\n\n<p>\u30a4\uff1a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u540c\u58eb\u306e\u95a2\u4fc2<\/p>\n\n\n\n<p>\u30a6\uff1a\u51e6\u7406\u306e\u6d41\u308c<\/p>\n\n\n\n<p>\u30a8\uff1a\u5165\u529b\u30c7\u30fc\u30bf\u53ca\u3073\u51fa\u529b\u30c7\u30fc\u30bf<\/p>\n\n\n\n<p><br><\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-sgb-accordion sgb-acc\"><input id=\"toggle-checkbox-35bb8be5-491e-45fb-90ff-77873a897571\" class=\"sgb-acc__input\" type=\"checkbox\"><label class=\"sgb-acc__title\" for=\"toggle-checkbox-35bb8be5-491e-45fb-90ff-77873a897571\" style=\"color:#333;background-color:#FFF\">\u6b63\u89e3\u306f\u3000\uff08\u30bf\u30c3\u30d7\u3067\u6b63\u89e3\u8868\u793a\uff09<\/label><div class=\"sgb-acc__content sgb-acc__content--save\">\n<p>\u30a4\uff1a\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u540c\u58eb\u306e\u95a2\u4fc2<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-say\"><div class=\"sgb-block-say sgb-block-say--left\"><div class=\"sgb-block-say-avatar\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/itpassport.net\/wp-content\/uploads\/2022\/07\/shirokuma1.png\" alt=\"\u3057\u308d\u304f\u307e\u6559\u6388\" width=\"80\" height=\"80\" style=\"border-color:#eaedf2\"><div class=\"sgb-block-say-avatar__name\">\u3057\u308d\u304f\u307e\u6559\u6388<\/div><\/div><div class=\"sgb-block-say-text\"><div class=\"sgb-block-say-text__content\" style=\"color:#333;border-color:#d5d5d5;background-color:#FFF\">\n<p>\u89e3\u8aac\uff01<\/p>\n<span class=\"sgb-block-say-text__before\" style=\"border-right-color:#d5d5d5\"><\/span><span class=\"sgb-block-say-text__after\" style=\"border-right-color:#FFF\"><\/span><\/div><\/div><\/div><\/div>\n\n\n\n<p><strong>E-R\u56f3<\/strong>\u3068\u306f\u3001<strong>Entity Relationship Diagram<\/strong><br>\u7ba1\u7406\u5bfe\u8c61\u306e\u95a2\u4fc2\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u56f3\u306b\u3057\u305f\u3082\u306e\u3067\u3059\u3002<br>\u5b9f\u4f53(\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3) \u95a2\u9023(\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7)<br><\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"\u3010IT\u30d1\u30b9\u30dd\u30fc\u30c8\u3011\u7b2c8\u56de\uff1aE-R\u56f3\uff08\u30c6\u30af\u30ce\u30ed\u30b8\u5206\u91ce\uff09\" width=\"880\" height=\"495\" src=\"https:\/\/www.youtube.com\/embed\/cfBqPI3MmSU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<div class=\"wp-block-sgb-say\"><div class=\"sgb-block-say sgb-block-say--left\"><div class=\"sgb-block-say-avatar\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/itpassport.net\/wp-content\/uploads\/2022\/07\/shirokuma3-e1656726656779.png\" alt=\"\u3057\u308d\u304f\u307e\u6559\u6388\" width=\"80\" height=\"80\" style=\"border-color:#eaedf2\"><div class=\"sgb-block-say-avatar__name\">\u3057\u308d\u304f\u307e\u6559\u6388<\/div><\/div><div class=\"sgb-block-say-text\"><div class=\"sgb-block-say-text__content\" style=\"color:#333;border-color:#d5d5d5;background-color:#FFF\">\n<p><strong>\u7ba1\u7406\u5bfe\u8c61<\/strong>\u3068<strong>\u95a2\u4fc2<\/strong>\u3001\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u304c\u9078\u629e\u80a2\u306b\u3042\u308c\u3070\u6b63\u89e3\u3067\u3059<\/p>\n<span class=\"sgb-block-say-text__before\" style=\"border-right-color:#d5d5d5\"><\/span><span class=\"sgb-block-say-text__after\" style=\"border-right-color:#FFF\"><\/span><\/div><\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#5ba9f7;color:#FFF\" class=\"sgb-box-simple__title\">\u540c\u3058\u30c6\u30fc\u30de\u306e\u4ed6\u306e\u904e\u53bb\u554f<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#5ba9f7;background-color:#FFF\">\n<p><strong>E-R\u56f3\u3092\u4f7f\u7528\u3057\u3066\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u3092\u884c\u3046\u7406\u7531\u3068\u3057\u3066\uff0c\u9069\u5207\u306a\u3082\u306e\u306f\u3069\u308c\u304b\u3002<\/strong><\/p>\n\n\n\n<p><br><\/p>\n\n\n\n<p>\u30a2\uff1a\u696d\u52d9\u4e0a\u3067\u306e\u30c7\u30fc\u30bf\u306e\u3084\u308a\u53d6\u308a\u3092\u628a\u63e1\u3057\uff0c\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3002<br><\/p>\n\n\n\n<p>\u30a4\uff1a\u73fe\u884c\u696d\u52d9\u3067\u306e\u30c7\u30fc\u30bf\u306e\u6d41\u308c\u3092\u628a\u63e1\u3057\uff0c\u696d\u52d9\u9042\u884c\u4e0a\u306e\u554f\u984c\u70b9\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3002<br><\/p>\n\n\n\n<p>\u30a6\uff1a\u9867\u5ba2\u3084\u88fd\u54c1\u3068\u3044\u3063\u305f\u696d\u52d9\u306e\u7ba1\u7406\u5bfe\u8c61\u9593\u306e\u95a2\u4fc2\u3092\u56f3\u793a\u3057\uff0c\u305d\u306e\u696d\u52d9\u4e0a\u306e\u610f\u5473\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3002<\/p>\n\n\n\n<p><br>\u30a8\uff1a\u30c7\u30fc\u30bf\u9805\u76ee\u3092\u8a73\u7d30\u306b\u691c\u8a0e\u3057\uff0c\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5b9f\u88c5\u65b9\u6cd5\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-sgb-accordion sgb-acc\"><input id=\"toggle-checkbox-d5fac555-9790-4e20-a913-6d4d535c12e5\" class=\"sgb-acc__input\" type=\"checkbox\"><label class=\"sgb-acc__title\" for=\"toggle-checkbox-d5fac555-9790-4e20-a913-6d4d535c12e5\" style=\"color:#333;background-color:#FFF\">\u6b63\u89e3\u306f\u3000\uff08\u30bf\u30c3\u30d7\u3067\u6b63\u89e3\u8868\u793a\uff09<\/label><div class=\"sgb-acc__content sgb-acc__content--save\">\n<p>\u30a6\uff1a\u9867\u5ba2\u3084\u88fd\u54c1\u3068\u3044\u3063\u305f\u696d\u52d9\u306e\u7ba1\u7406\u5bfe\u8c61\u9593\u306e\u95a2\u4fc2\u3092\u56f3\u793a\u3057\uff0c\u305d\u306e\u696d\u52d9\u4e0a\u306e\u610f\u5473\u3092\u660e\u3089\u304b\u306b\u3059\u308b\u3002<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:#5ba9f7;color:#FFF\" class=\"sgb-box-simple__title\">\u540c\u3058\u30c6\u30fc\u30de\u306e\u4ed6\u306e\u904e\u53bb\u554f<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:#5ba9f7;background-color:#FFF\">\n<p><strong>E-R\u56f3\u306e\u8aac\u660e\u3068\uff0c\u305d\u306e\u5fdc\u7528\u4f8b\u3068\u3057\u3066\uff0c\u9069\u5207\u306a\u3082\u306e\u306f\u3069\u308c\u304b\u3002<\/strong><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>\u30a2\uff1a\u4f5c\u696d\u9806\u5e8f\u3084\u4f5c\u696d\u6642\u9593\u3092\u8868\u3057\u305f\u56f3\u3067\u3042\u308a\uff0c\u4f8b\u3048\u3070\uff0c\u30b7\u30b9\u30c6\u30e0\u958b\u767a\u306e\u65e5\u7a0b\u7ba1\u7406\u3092\u3059\u308b\u306e\u306b\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30a4\uff1a\u5b9f\u4f53\u540c\u58eb\u306e\u95a2\u9023\u3092\u8868\u3057\u305f\u56f3\u3067\u3042\u308a\uff0c\u4f8b\u3048\u3070\uff0c\u95a2\u4fc2\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8868\u540c\u58eb\u306e\u95a2\u9023\u3092\u8868\u3059\u306e\u306b\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30a6\uff1a\u9806\u6b21\uff0c\u9078\u629e\uff0c\u7e70\u8fd4\u3057\u69cb\u9020\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u8868\u3057\u305f\u56f3\u3067\u3042\u308a\uff0c\u4f8b\u3048\u3070\uff0c\u30d7\u30ed\u30b0\u30e9\u30e0\u306e\u6d41\u308c\u3092\u8a18\u8ff0\u3059\u308b\u306e\u306b\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n\n\n\n<p>\u30a8\uff1a\u72b6\u614b\u306e\u9077\u79fb\u3084\u6761\u4ef6\u3092\u8a18\u8f09\u3057\u305f\u56f3\u3067\u3042\u308a\uff0c\u4f8b\u3048\u3070\uff0c\u901a\u4fe1\u30d7\u30ed\u30c8\u30b3\u30eb\u306e\u4ed5\u69d8\u3092\u8a18\u8ff0\u3059\u308b\u306e\u306b\u7528\u3044\u3089\u308c\u308b\u3002<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-accordion sgb-acc\"><input id=\"toggle-checkbox-33b81d23-464b-45e5-9626-761cb0da8865\" class=\"sgb-acc__input\" type=\"checkbox\"><label class=\"sgb-acc__title\" for=\"toggle-checkbox-33b81d23-464b-45e5-9626-761cb0da8865\" style=\"color:#333;background-color:#FFF\">\u6b63\u89e3\u306f\u3000\uff08\u30bf\u30c3\u30d7\u3067\u6b63\u89e3\u8868\u793a\uff09<\/label><div class=\"sgb-acc__content sgb-acc__content--save\">\n<p>\u30a4\uff1a\u5b9f\u4f53\u540c\u58eb\u306e\u95a2\u9023\u3092\u8868\u3057\u305f\u56f3\u3067\u3042\u308a\uff0c\u4f8b\u3048\u3070\uff0c\u95a2\u4fc2\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8868\u540c\u58eb\u306e\u95a2\u9023\u3092\u8868\u3059\u306e\u306b\u7528\u3044\u3089\u308c\u308b\u3002<br><\/p>\n\n\n\n<p><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-sgb-say\"><div class=\"sgb-block-say sgb-block-say--left\"><div class=\"sgb-block-say-avatar\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/itpassport.net\/wp-content\/uploads\/2022\/06\/cropped-shirokuma2.png\" alt=\"\u3057\u308d\u304f\u307e\u6559\u6388\" width=\"80\" height=\"80\" style=\"border-color:#eaedf2\"><div class=\"sgb-block-say-avatar__name\">\u3057\u308d\u304f\u307e\u6559\u6388<\/div><\/div><div class=\"sgb-block-say-text\"><div class=\"sgb-block-say-text__content\" style=\"color:#333;border-color:#d5d5d5;background-color:#FFF\">\n<p>IT\u30d1\u30b9\u30dd\u30fc\u30c8\u306e\u3001\u554f\u984c\u306e\u8868\u73fe\u306b\u300c\u6163\u308c\u308b\u300d\u3053\u3068\u304c\u3001\u5408\u683c\u3078\u306e\u6700\u77ed\u8ddd\u96e2\u3067\u3059<\/p>\n<span class=\"sgb-block-say-text__before\" style=\"border-right-color:#d5d5d5\"><\/span><span class=\"sgb-block-say-text__after\" style=\"border-right-color:#FFF\"><\/span><\/div><\/div><\/div><\/div>\n","protected":false},"excerpt":{"rendered":"<p>E-R\u56f3\u3068\u306f\u3001Entity Relationship Diagram\u7ba1\u7406\u5bfe\u8c61\u306e\u95a2\u4fc2\u3092\u308f\u304b\u308a\u3084\u3059\u304f\u56f3\u306b\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u5b9f\u4f53(\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3) \u95a2\u9023(\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7)<\/p>\n","protected":false},"author":1,"featured_media":76,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[43,6],"tags":[],"class_list":{"0":"post-468","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-43it","8":"category-it"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v19.6.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>E-R\u56f3\u3068\u306f \u3010IT\u30d1\u30b9\u30dd\u30fc\u30c8\u8cc7\u683c\u653b\u7565\u30ce\u30fc\u30c8\u3011 - 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