{"id":478677,"date":"2023-08-09T09:36:54","date_gmt":"2023-08-09T09:36:54","guid":{"rendered":""},"modified":"2023-09-05T11:17:20","modified_gmt":"2023-09-05T11:17:20","slug":"relational-database","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/relational-database\/","title":{"rendered":"\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9"},"content":{"rendered":"<h2>\u5c0e\u5165<\/h2>\n<p>\u30c7\u30fc\u30bf\u7ba1\u7406\u3068\u30b9\u30c8\u30ec\u30fc\u30b8\u306e\u4e16\u754c\u306f\u3001\u9577\u5e74\u306b\u308f\u305f\u3063\u3066\u5927\u304d\u306a\u9032\u5316\u3092\u9042\u3052\u3066\u304d\u307e\u3057\u305f\u304c\u3001\u305d\u306e\u4e2d\u3067\u3082\u6642\u4ee3\u306e\u8a66\u7df4\u306b\u8010\u3048\u3066\u304d\u305f\u57fa\u790e\u7684\u306a\u67f1\u306e 1 \u3064\u304c\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002\u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6b74\u53f2\u3001\u69cb\u9020\u3001\u6a5f\u80fd\u3001\u7a2e\u985e\u3001\u7528\u9014\u3001\u5c06\u6765\u306e\u53ef\u80fd\u6027\u306b\u3064\u3044\u3066\u6df1\u304f\u6398\u308a\u4e0b\u3052\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8208\u5473\u6df1\u3044\u5171\u901a\u70b9\u306b\u3064\u3044\u3066\u8aac\u660e\u3057\u3001\u305d\u306e\u6f5c\u5728\u7684\u306a\u76f8\u4e57\u52b9\u679c\u3092\u5f37\u8abf\u3057\u307e\u3059\u3002<\/p>\n<h2>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8d77\u6e90<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6982\u5ff5\u306f\u30011970 \u5e74\u306b\u767a\u8868\u3055\u308c\u305f\u300c\u5927\u898f\u6a21\u5171\u6709\u30c7\u30fc\u30bf \u30d0\u30f3\u30af\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf \u30e2\u30c7\u30eb\u300d\u3068\u3044\u3046\u753b\u671f\u7684\u306a\u8ad6\u6587\u3067\u3001Edgar F. Codd \u535a\u58eb\u306b\u3088\u3063\u3066\u521d\u3081\u3066\u7d39\u4ecb\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u306e\u8ad6\u6587\u306f\u3001\u30c6\u30fc\u30d6\u30eb\u3001\u884c\u3001\u5217\u3092\u4f7f\u7528\u3057\u3066\u69cb\u9020\u5316\u3055\u308c\u305f\u65b9\u6cd5\u3067\u30c7\u30fc\u30bf\u3092\u6574\u7406\u304a\u3088\u3073\u7ba1\u7406\u3059\u308b\u305f\u3081\u306e\u57fa\u790e\u3092\u7bc9\u304d\u307e\u3057\u305f\u3002Codd \u306e\u5148\u898b\u306e\u660e\u306e\u3042\u308b\u30a2\u30a4\u30c7\u30a2\u306f\u3001\u6700\u521d\u306e\u5546\u7528\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9 \u30b7\u30b9\u30c6\u30e0\u306e\u958b\u767a\u3078\u306e\u9053\u3092\u958b\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2>\u5185\u90e8\u306e\u4ed5\u7d44\u307f\u3092\u660e\u3089\u304b\u306b\u3059\u308b<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30c7\u30fc\u30bf\u3092\u8868\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u307e\u3059\u3002\u30c7\u30fc\u30bf\u306f\u3001\u5c5e\u6027\u3092\u8868\u3059\u5b9a\u7fa9\u6e08\u307f\u306e\u5217\u3068\u500b\u3005\u306e\u30ec\u30b3\u30fc\u30c9\u3092\u542b\u3080\u884c\u3092\u6301\u3064\u30c6\u30fc\u30d6\u30eb\u306b\u7de8\u6210\u3055\u308c\u307e\u3059\u3002\u30c6\u30fc\u30d6\u30eb\u9593\u306e\u95a2\u4fc2\u306f\u3001\u4e3b\u306b\u4e3b\u30ad\u30fc\u3068\u5916\u90e8\u30ad\u30fc\u306a\u3069\u306e\u30ad\u30fc\u306b\u3088\u3063\u3066\u78ba\u7acb\u3055\u308c\u307e\u3059\u3002\u3053\u306e\u69cb\u9020\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u4fc3\u9032\u3055\u308c\u3001\u5197\u9577\u6027\u304c\u8efd\u6e1b\u3055\u308c\u3001\u69cb\u9020\u5316\u30af\u30a8\u30ea\u8a00\u8a9e (SQL) \u306b\u3088\u308b\u30af\u30a8\u30ea\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002ACID (\u539f\u5b50\u6027\u3001\u4e00\u8cab\u6027\u3001\u72ec\u7acb\u6027\u3001\u6c38\u7d9a\u6027) \u30d7\u30ed\u30d1\u30c6\u30a3\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u4fe1\u983c\u6027\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u7ba1\u7406\u304c\u4fdd\u8a3c\u3055\u308c\u307e\u3059\u3002<\/p>\n<h2>\u4e3b\u306a\u6a5f\u80fd\u306e\u8abf\u67fb<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u306f\u3001\u305d\u306e\u5e83\u7bc4\u306a\u63a1\u7528\u306b\u8ca2\u732e\u3059\u308b\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\uff1a<\/strong> \u5236\u7d04\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u30c7\u30fc\u30bf\u306e\u6b63\u78ba\u6027\u3068\u4e00\u8cab\u6027\u3092\u7dad\u6301\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30af\u30a8\u30ea\u8a00\u8a9e (SQL):<\/strong> SQL \u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u5bfe\u8a71\u3057\u3001\u8907\u96d1\u306a\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3057\u3001\u7279\u5b9a\u306e\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u6b63\u898f\u5316:<\/strong> \u30c7\u30fc\u30bf\u3092\u5c0f\u3055\u306a\u95a2\u9023\u30c6\u30fc\u30d6\u30eb\u306b\u5206\u5272\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u306b\u3088\u308a\u3001\u5197\u9577\u6027\u304c\u524a\u6e1b\u3055\u308c\u3001\u52b9\u7387\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3:<\/strong> \u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u5782\u76f4\u65b9\u5411 (\u5358\u4e00\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30ea\u30bd\u30fc\u30b9\u3092\u8ffd\u52a0) \u307e\u305f\u306f\u6c34\u5e73\u65b9\u5411 (\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u306b\u30c7\u30fc\u30bf\u3092\u5206\u6563) \u306b\u62e1\u5f35\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u5b89\u5168\uff1a<\/strong> \u30a2\u30af\u30bb\u30b9\u5236\u5fa1\u3001\u8a8d\u8a3c\u3001\u627f\u8a8d\u30e1\u30ab\u30cb\u30ba\u30e0\u306b\u3088\u308a\u3001\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u304c\u78ba\u4fdd\u3055\u308c\u3001\u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u304c\u9632\u6b62\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u591a\u69d8\u306a\u30bf\u30a4\u30d7\u306e\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u306f\u3055\u307e\u3056\u307e\u306a\u30bf\u30a4\u30d7\u304c\u3042\u308a\u3001\u3055\u307e\u3056\u307e\u306a\u30cb\u30fc\u30ba\u3084\u4f7f\u7528\u4f8b\u306b\u5bfe\u5fdc\u3057\u307e\u3059\u3002\u6b21\u306e\u8868\u306f\u3001\u4e00\u822c\u7684\u306a\u30bf\u30a4\u30d7\u306e\u4e00\u90e8\u3092\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u30bf\u30a4\u30d7<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>MySQL<\/td>\n<td>\u901f\u5ea6\u3001\u4fe1\u983c\u6027\u3001\u4f7f\u3044\u3084\u3059\u3055\u3067\u77e5\u3089\u308c\u308b\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e RDBMS\u3002<\/td>\n<\/tr>\n<tr>\n<td>PostgreSQL<\/td>\n<td>\u9ad8\u5ea6\u306a\u30c7\u30fc\u30bf\u578b\u3068\u6a5f\u80fd\u306e\u30b5\u30dd\u30fc\u30c8\u3067\u5b9a\u8a55\u306e\u3042\u308b\u3001\u5f37\u529b\u3067\u62e1\u5f35\u53ef\u80fd\u306a RDBMS\u3002<\/td>\n<\/tr>\n<tr>\n<td>Microsoft SQL\u30b5\u30fc\u30d0\u30fc<\/td>\n<td>\u9ad8\u3044\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068 Windows \u30b7\u30b9\u30c6\u30e0\u3068\u306e\u7d71\u5408\u3092\u63d0\u4f9b\u3059\u308b\u3001Microsoft \u306b\u3088\u308b\u5305\u62ec\u7684\u306a RDBMS\u3002<\/td>\n<\/tr>\n<tr>\n<td>Oracle \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/td>\n<td>\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3001\u9ad8\u5ea6\u306a\u5206\u6790\u6a5f\u80fd\u3067\u77e5\u3089\u308c\u308b\u6a5f\u80fd\u8c4a\u5bcc\u306a RDBMS\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u5fdc\u7528\u3068\u8ab2\u984c<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u96fb\u5b50\u5546\u53d6\u5f15\u3001\u91d1\u878d\u3001\u533b\u7642\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u5206\u91ce\u3067\u5fdc\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u5927\u898f\u6a21\u306a\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3001\u8907\u96d1\u306a\u30c7\u30fc\u30bf\u95a2\u4fc2\u3001\u53b3\u683c\u306a\u30b9\u30ad\u30fc\u30de\u5909\u66f4\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u306e\u30b9\u30b1\u30fc\u30ea\u30f3\u30b0\u306a\u3069\u306e\u8ab2\u984c\u304c\u751f\u3058\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u30b7\u30e3\u30fc\u30c7\u30a3\u30f3\u30b0 (\u8907\u6570\u306e\u30b5\u30fc\u30d0\u30fc\u9593\u3067\u30c7\u30fc\u30bf\u3092\u5206\u5272\u3059\u308b) \u3084\u975e\u6b63\u898f\u5316 (\u30c6\u30fc\u30d6\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u30af\u30a8\u30ea \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b) \u306a\u3069\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u306f\u3001\u3053\u308c\u3089\u306e\u8ab2\u984c\u306b\u5bfe\u51e6\u3057\u307e\u3059\u3002<\/p>\n<h2>\u6bd4\u8f03\u6d1e\u5bdf<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u3088\u308a\u3088\u304f\u7406\u89e3\u3059\u308b\u305f\u3081\u306b\u3001\u3044\u304f\u3064\u304b\u306e\u95a2\u9023\u7528\u8a9e\u3068\u6bd4\u8f03\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002<\/p>\n<table>\n<thead>\n<tr>\n<th>\u5b66\u671f<\/th>\n<th>\u8aac\u660e<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>NoSQL \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/td>\n<td>\u975e\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u307e\u305f\u306f\u534a\u69cb\u9020\u5316\u30c7\u30fc\u30bf\u5411\u3051\u306b\u8a2d\u8a08\u3055\u308c\u3066\u304a\u308a\u3001\u9ad8\u3044\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9<\/td>\n<td>\u30c7\u30fc\u30bf \u30dd\u30a4\u30f3\u30c8\u9593\u306e\u95a2\u4fc2\u306b\u7126\u70b9\u3092\u5f53\u3066\u307e\u3059\u3002\u30bd\u30fc\u30b7\u30e3\u30eb \u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u306a\u3069\u306e\u30b7\u30ca\u30ea\u30aa\u306b\u6700\u9069\u3067\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30de\u30c3\u30d4\u30f3\u30b0 (ORM)<\/td>\n<td>\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u3068\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u9593\u306e\u76f8\u4e92\u4f5c\u7528\u3092\u5bb9\u6613\u306b\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\u672a\u6765\u306e\u5c55\u671b<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5c06\u6765\u306f\u6709\u671b\u3067\u3042\u308a\u3001\u6b21\u306e\u3088\u3046\u306a\u5206\u91ce\u3067\u7d99\u7d9a\u7684\u306a\u9032\u6b69\u304c\u898b\u8fbc\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30af\u30e9\u30a6\u30c9\u7d71\u5408:<\/strong> \u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u30af\u30e9\u30a6\u30c9\u74b0\u5883\u306b\u30b7\u30fc\u30e0\u30ec\u30b9\u306b\u79fb\u884c\u3057\u3001\u30b9\u30b1\u30fc\u30e9\u30d3\u30ea\u30c6\u30a3\u3068\u30a2\u30af\u30bb\u30b7\u30d3\u30ea\u30c6\u30a3\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u6a5f\u68b0\u5b66\u7fd2\u306e\u7d71\u5408:<\/strong> \u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u306e\u6d1e\u5bdf\u3068\u4e88\u6e2c\u5206\u6790\u306e\u305f\u3081\u306b\u3001\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u3092\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u7d71\u5408\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u306e\u7d71\u5408:<\/strong> \u30d6\u30ed\u30c3\u30af\u30c1\u30a7\u30fc\u30f3\u6280\u8853\u3092\u7d44\u307f\u8fbc\u3080\u3053\u3068\u3067\u3001\u30c7\u30fc\u30bf\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u4e0d\u5909\u6027\u3092\u5f37\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u30d7\u30ed\u30ad\u30b7\u30b5\u30fc\u30d0\u30fc\u3068\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7d50\u3073\u3064\u304d<\/h2>\n<p>OneProxy \u304c\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306a\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30c7\u30fc\u30bf\u7ba1\u7406\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306b\u304a\u3044\u3066\u91cd\u8981\u306a\u5f79\u5272\u3092\u679c\u305f\u3057\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u3068\u30b5\u30fc\u30d0\u30fc\u9593\u306e\u4ef2\u4ecb\u5f79\u3068\u3057\u3066\u6a5f\u80fd\u3057\u3001\u533f\u540d\u6027\u3068\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u95a2\u3057\u3066\u306f\u3001\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u6b21\u306e\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5c64\u3092\u8ffd\u52a0\u3057\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3078\u306e\u30a2\u30af\u30bb\u30b9\u3092\u5236\u5fa1\u3057\u3001\u305d\u306e\u5834\u6240\u3092\u96a0\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u8ca0\u8377\u5206\u6563:<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u53d7\u4fe1\u3059\u308b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u8981\u6c42\u3092\u5747\u7b49\u306b\u5206\u6563\u3057\u3001\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\u7387\u3092\u6700\u9069\u5316\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30ad\u30e3\u30c3\u30b7\u30f3\u30b0\uff1a<\/strong> \u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u983b\u7e41\u306b\u30a2\u30af\u30bb\u30b9\u3055\u308c\u308b\u30c7\u30fc\u30bf\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3067\u304d\u308b\u305f\u3081\u3001\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8ca0\u8377\u304c\u8efd\u6e1b\u3055\u308c\u3001\u5fdc\u7b54\u6642\u9593\u304c\u6539\u5584\u3055\u308c\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3092\u3055\u3089\u306b\u8a73\u3057\u304f\u8abf\u3079\u308b\u306b\u306f\u3001\u6b21\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u53c2\u7167\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n<ul>\n<li><a href=\"https:\/\/dl.acm.org\/doi\/10.1145\/362384.362685\" target=\"_new\" rel=\"noopener nofollow\">\u30b3\u30c3\u30c9\u306e\u539f\u8457\u8ad6\u6587<\/a><\/li>\n<li><a href=\"https:\/\/dev.mysql.com\/doc\/\" target=\"_new\" rel=\"noopener nofollow\">MySQL \u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/www.postgresql.org\/\" target=\"_new\" rel=\"noopener nofollow\">PostgreSQL\u516c\u5f0f\u30b5\u30a4\u30c8<\/a><\/li>\n<li><a href=\"https:\/\/www.microsoft.com\/en-us\/sql-server\/\" target=\"_new\" rel=\"noopener nofollow\">Microsoft SQL\u30b5\u30fc\u30d0\u30fc<\/a><\/li>\n<\/ul>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u306e\u7ba1\u7406\u3001\u6574\u7406\u3001\u5229\u7528\u65b9\u6cd5\u306b\u9769\u547d\u3092\u3082\u305f\u3089\u3057\u307e\u3057\u305f\u30021970 \u5e74\u4ee3\u306b\u8a95\u751f\u3057\u3066\u4ee5\u6765\u3001\u3055\u307e\u3056\u307e\u306a\u696d\u754c\u3067\u73fe\u5728\u4f7f\u7528\u3055\u308c\u3066\u3044\u308b\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u73fe\u4ee3\u306e\u30c7\u30fc\u30bf\u7ba1\u7406\u306e\u57fa\u76e4\u3068\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u30c6\u30af\u30ce\u30ed\u30b8\u304c\u9032\u5316\u3057\u7d9a\u3051\u308b\u4e2d\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u65b0\u305f\u306a\u8ab2\u984c\u3084\u6a5f\u4f1a\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u3088\u3046\u9069\u5fdc\u3057\u3001\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u304f\u610f\u601d\u6c7a\u5b9a\u306e\u672a\u6765\u3092\u5f62\u4f5c\u3063\u3066\u3044\u307e\u3059\u3002\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306e\u512a\u308c\u305f\u6a5f\u80fd\u3068\u7d44\u307f\u5408\u308f\u305b\u308b\u3068\u3001\u305d\u306e\u6a5f\u80fd\u306f\u3055\u3089\u306b\u62e1\u5f35\u3055\u308c\u3001\u76f8\u4e92\u63a5\u7d9a\u3055\u308c\u305f\u30c7\u30b8\u30bf\u30eb\u74b0\u5883\u306b\u304a\u3051\u308b\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u52b9\u7387\u6027\u306e\u5411\u4e0a\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>","protected":false},"featured_media":469354,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478677","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Relational Database: Unveiling the Power of Data Organization<\/mark>","faq_items":[{"question":"What is a Relational Database?","answer":"<p>A Relational Database is a structured system for storing and managing data using tables, rows, and columns. It ensures data integrity, reduces redundancy, and facilitates complex queries through the structured query language (SQL).<\/p>"},{"question":"Who introduced the concept of Relational Databases?","answer":"<p>Dr. Edgar F. Codd introduced the concept of Relational Databases in 1970 with his groundbreaking paper, \"A Relational Model of Data for Large Shared Data Banks.\"<\/p>"},{"question":"What are the key features of Relational Databases?","answer":"<p>Key features include data integrity maintenance, the use of SQL for querying, normalization to reduce redundancy, scalability options, and robust security mechanisms.<\/p>"},{"question":"What are some popular types of Relational Databases?","answer":"<p>Popular types include MySQL, PostgreSQL, Microsoft SQL Server, and Oracle Database, each with distinct features and strengths.<\/p>"},{"question":"In what domains are Relational Databases applied?","answer":"<p>Relational Databases find applications in domains like e-commerce, finance, healthcare, and more, aiding in efficient data management and retrieval.<\/p>"},{"question":"What challenges do Relational Databases face?","answer":"<p>Challenges include scaling for large datasets, handling complex data relationships, and adapting to evolving schema requirements.<\/p>"},{"question":"How do Relational Databases compare to other database types?","answer":"<p>Relational Databases differ from NoSQL Databases, Graph Databases, and Object-Relational Mapping (ORM) in terms of data structure and use cases.<\/p>"},{"question":"What does the future hold for Relational Databases?","answer":"<p>The future includes cloud integration, machine learning incorporation, and blockchain integration, advancing the capabilities of Relational Databases.<\/p>"},{"question":"How do proxy servers relate to Relational Databases?","answer":"<p>Proxy servers, like those from OneProxy, enhance security, load balancing, and caching when used in conjunction with Relational Databases. They create a more efficient and secure data management environment.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478677\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/469354"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=478677"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}