{"id":478259,"date":"2023-08-09T09:29:53","date_gmt":"2023-08-09T09:29:53","guid":{"rendered":""},"modified":"2023-09-05T11:16:22","modified_gmt":"2023-09-05T11:16:22","slug":"olap-database","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/jp\/wiki\/olap-database\/","title":{"rendered":"OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9"},"content":{"rendered":"<p>OLAP (\u30aa\u30f3\u30e9\u30a4\u30f3\u5206\u6790\u51e6\u7406) \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u51e6\u7406\u3067\u306f\u306a\u304f\u3001\u30af\u30a8\u30ea\u3068\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210\u306b\u6700\u9069\u5316\u3055\u308c\u305f\u9ad8\u6027\u80fd\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u3059\u3002\u591a\u6b21\u5143\u30c7\u30fc\u30bf\u306e\u30a4\u30f3\u30bf\u30e9\u30af\u30c6\u30a3\u30d6\u306a\u5206\u6790\u304c\u53ef\u80fd\u306b\u306a\u308a\u3001\u8907\u96d1\u306a\u8a08\u7b97\u3001\u50be\u5411\u5206\u6790\u3001\u9ad8\u5ea6\u306a\u30c7\u30fc\u30bf \u30e2\u30c7\u30ea\u30f3\u30b0\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<h2>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8d77\u6e90\u3068\u305d\u306e\u6700\u521d\u306e\u8a00\u53ca\u306e\u6b74\u53f2<\/h2>\n<p>OLAP \u306e\u6982\u5ff5\u306f\u3001\u300c\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7236\u300d\u3067\u3042\u308b Edgar F. Codd \u535a\u58eb\u304c 1993 \u5e74\u306b\u767a\u8868\u3057\u305f\u8ad6\u6587\u300c\u30e6\u30fc\u30b6\u30fc \u30a2\u30ca\u30ea\u30b9\u30c8\u3078\u306e OLAP \u306e\u63d0\u4f9b: IT \u306e\u7fa9\u52d9\u300d\u3067\u521d\u3081\u3066\u63d0\u5531\u3055\u308c\u307e\u3057\u305f\u3002\u5f53\u521d\u306e\u69cb\u60f3\u306f\u3001\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u6a5f\u80fd\u3092\u5f37\u5316\u3057\u3066\u8907\u96d1\u306a\u30af\u30a8\u30ea\u3092\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3068\u3044\u3046\u3082\u306e\u3067\u3057\u305f\u304c\u3001\u6700\u7d42\u7684\u306b\u306f\u5c02\u7528\u306e OLAP \u30b7\u30b9\u30c6\u30e0\u306e\u4f5c\u6210\u306b\u3064\u306a\u304c\u308a\u307e\u3057\u305f\u3002<\/p>\n<h2>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8a73\u7d30\u60c5\u5831: \u30c8\u30d4\u30c3\u30af\u306e\u62e1\u5f35<\/h2>\n<p>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30d3\u30b8\u30cd\u30b9 \u30c7\u30fc\u30bf\u3092\u5206\u6790\u3057\u3001\u610f\u601d\u6c7a\u5b9a\u30d7\u30ed\u30bb\u30b9\u3092\u30b5\u30dd\u30fc\u30c8\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u591a\u6b21\u5143\u30e2\u30c7\u30eb\u3067\u30c7\u30fc\u30bf\u3092\u6574\u7406\u3057\u3001\u60c5\u5831\u3092\u30e1\u30b8\u30e3\u30fc\u3068\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306b\u5206\u985e\u3057\u307e\u3059\u3002OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u8907\u96d1\u306a\u30af\u30a8\u30ea\u3001\u96c6\u8a08\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306b\u91cd\u70b9\u3092\u7f6e\u3044\u3066\u3044\u308b\u70b9\u3067\u3001OLTP (\u30aa\u30f3\u30e9\u30a4\u30f3 \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u51e6\u7406) \u306a\u3069\u306e\u5f93\u6765\u306e\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3068\u306f\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n<h3>\u4e3b\u8981\u306a\u6982\u5ff5:<\/h3>\n<ul>\n<li><strong>\u5bf8\u6cd5<\/strong>: \u6642\u9593\u3001\u5730\u7406\u3001\u88fd\u54c1\u306a\u3069\u306e\u30ab\u30c6\u30b4\u30ea\u3002<\/li>\n<li><strong>\u5bfe\u7b56<\/strong>: \u58f2\u4e0a\u3001\u53ce\u76ca\u306a\u3069\u306e\u5b9a\u91cf\u5316\u53ef\u80fd\u306a\u30c7\u30fc\u30bf\u3002<\/li>\n<li><strong>\u968e\u5c64<\/strong>: \u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u5185\u306e\u30cd\u30b9\u30c8\u3055\u308c\u305f\u30ec\u30d9\u30eb (\u4f8b: \u5e74 &gt; \u6708 &gt; \u65e5)\u3002<\/li>\n<li><strong>\u30ad\u30e5\u30fc\u30d6<\/strong>: \u30c7\u30fc\u30bf\u3092\u8868\u73fe\u3059\u308b\u305f\u3081\u306b\u4f7f\u7528\u3055\u308c\u308b\u591a\u6b21\u5143\u30c7\u30fc\u30bf\u69cb\u9020\u3002<\/li>\n<\/ul>\n<h2>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u5185\u90e8\u69cb\u9020: OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4ed5\u7d44\u307f<\/h2>\n<p>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30b3\u30a2\u69cb\u9020\u306f\u30ad\u30e5\u30fc\u30d6\u3092\u4e2d\u5fc3\u306b\u5c55\u958b\u3055\u308c\u307e\u3059\u3002\u30ad\u30e5\u30fc\u30d6\u306f\u591a\u6b21\u5143\u5206\u6790\u3092\u53ef\u80fd\u306b\u3059\u308b\u30c7\u30fc\u30bf\u69cb\u9020\u3067\u3059\u3002<\/p>\n<h3>\u4e3b\u8981\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\uff1a<\/h3>\n<ul>\n<li><strong>\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9<\/strong>: \u3055\u307e\u3056\u307e\u306a\u30b7\u30b9\u30c6\u30e0\u304b\u3089\u53d6\u5f97\u3055\u308c\u305f\u751f\u30c7\u30fc\u30bf\u3002<\/li>\n<li><strong>\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb<\/strong>: \u30e1\u30b8\u30e3\u30fc\u3068\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3 \u30c6\u30fc\u30d6\u30eb\u3078\u306e\u30ea\u30f3\u30af\u3092\u683c\u7d0d\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb<\/strong>: \u5206\u6790\u7528\u306e\u30ab\u30c6\u30b4\u30ea\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u96c6\u7d04<\/strong>: \u30af\u30a8\u30ea\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u5411\u4e0a\u3055\u305b\u308b\u305f\u3081\u306b\u4e8b\u524d\u306b\u8a08\u7b97\u3055\u308c\u305f\u30b5\u30de\u30ea\u30fc\u3002<\/li>\n<li><strong>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9<\/strong>: \u30af\u30a8\u30ea\u3092\u9ad8\u901f\u5316\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e3b\u8981\u6a5f\u80fd\u306e\u5206\u6790<\/h2>\n<ul>\n<li><strong>\u591a\u6b21\u5143\u30d3\u30e5\u30fc<\/strong>: \u3055\u307e\u3056\u307e\u306a\u89d2\u5ea6\u304b\u3089\u30c7\u30fc\u30bf\u3092\u8868\u793a\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30af\u30a4\u30c3\u30af\u30af\u30a8\u30ea\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9<\/strong>: \u8907\u96d1\u306a\u30af\u30a8\u30ea\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30c9\u30ea\u30eb\u30c0\u30a6\u30f3\u3068\u30ed\u30fc\u30eb\u30a2\u30c3\u30d7<\/strong>: \u8a73\u7d30\u306a\u5206\u6790\u3084\u8981\u7d04\u3092\u53ef\u80fd\u306b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u67d4\u8edf\u306a\u30ec\u30dd\u30fc\u30c8<\/strong>: \u30d3\u30b8\u30cd\u30b9\u30cb\u30fc\u30ba\u306b\u5fdc\u3058\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u53ef\u80fd\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30b9\u30e9\u30a4\u30b9<\/strong>: \u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306e 1 \u3064\u306e\u30ec\u30d9\u30eb\u3092\u8abf\u3079\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u7a2e\u985e<\/h2>\n<p>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4e3b\u306a\u7a2e\u985e\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\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>\u30e2\u30e9\u30c3\u30d7<\/td>\n<td>\u591a\u6b21\u5143 OLAP\u3002\u591a\u6b21\u5143\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u683c\u7d0d\u3055\u308c\u305f\u30ad\u30e5\u30fc\u30d6\u3092\u4f7f\u7528\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30ed\u30e9\u30c3\u30d7<\/td>\n<td>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb OLAP\u3002\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u30c7\u30fc\u30bf\u3092\u4fdd\u5b58\u3057\u307e\u3059\u3002<\/td>\n<\/tr>\n<tr>\n<td>\u30db\u30e9\u30c3\u30d7<\/td>\n<td>\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9 OLAP\u3002MOLAP \u3068 ROLAP \u306e\u4e21\u65b9\u306e\u6a5f\u80fd\u3092\u7d44\u307f\u5408\u308f\u305b\u307e\u3059\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u4f7f\u7528\u65b9\u6cd5\u3001\u554f\u984c\u3001\u304a\u3088\u3073\u305d\u306e\u89e3\u6c7a\u7b56<\/h2>\n<h3>\u7528\u9014:<\/h3>\n<ul>\n<li><strong>\u30d3\u30b8\u30cd\u30b9\u30ec\u30dd\u30fc\u30c8<\/strong>: \u8ca1\u52d9\u8af8\u8868\u3001\u58f2\u4e0a\u5831\u544a\u306a\u3069\u306b\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u30de\u30a4\u30cb\u30f3\u30b0<\/strong>: \u30d1\u30bf\u30fc\u30f3\u3068\u6d1e\u5bdf\u3092\u767a\u898b\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u4e88\u6e2c<\/strong>: \u5c06\u6765\u306e\u50be\u5411\u3092\u4e88\u6e2c\u3059\u308b\u3002<\/li>\n<\/ul>\n<h3>\u554f\u984c\u3068\u89e3\u6c7a\u7b56:<\/h3>\n<ul>\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u554f\u984c<\/strong>: \u89e3\u6c7a\u7b56\u306b\u306f\u3001\u30af\u30a8\u30ea\u306e\u6700\u9069\u5316\u3084\u30ea\u30bd\u30fc\u30b9\u306e\u8ffd\u52a0\u304c\u542b\u307e\u308c\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<li><strong>\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027<\/strong>: \u691c\u8a3c\u3068\u54c1\u8cea\u30c1\u30a7\u30c3\u30af\u3092\u901a\u3058\u3066\u6b63\u78ba\u6027\u3092\u78ba\u4fdd\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u4e3b\u306a\u7279\u5fb4\u3068\u985e\u4f3c\u7528\u8a9e\u3068\u306e\u6bd4\u8f03<\/h2>\n<table>\n<thead>\n<tr>\n<th>\u7279\u5fb4<\/th>\n<th>OLAP<\/th>\n<th>OLTP<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\u96c6\u4e2d<\/td>\n<td>\u5206\u6790\u3068\u30ec\u30dd\u30fc\u30c8\u4f5c\u6210<\/td>\n<td>\u53d6\u5f15<\/td>\n<\/tr>\n<tr>\n<td>\u30af\u30a8\u30ea<\/td>\n<td>\u8907\u96d1\u306a<\/td>\n<td>\u5358\u7d14<\/td>\n<\/tr>\n<tr>\n<td>\u69cb\u9020<\/td>\n<td>\u30ad\u30e5\u30fc\u30d6<\/td>\n<td>\u30ea\u30ec\u30fc\u30b7\u30e7\u30ca\u30eb\u30c6\u30fc\u30d6\u30eb<\/td>\n<\/tr>\n<tr>\n<td>\u30b9\u30d4\u30fc\u30c9<\/td>\n<td>\u8aad\u307f\u53d6\u308a\u306b\u6700\u9069\u5316<\/td>\n<td>\u66f8\u304d\u8fbc\u307f\u306b\u6700\u9069\u5316<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>OLAP\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u95a2\u3059\u308b\u5c06\u6765\u306e\u5c55\u671b\u3068\u6280\u8853<\/h2>\n<p>\u30d3\u30c3\u30b0\u30c7\u30fc\u30bf\u3001AI\u3001\u30af\u30e9\u30a6\u30c9 \u30b3\u30f3\u30d4\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0\u306e\u9032\u6b69\u306b\u3088\u308a\u3001OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u6b21\u306e\u3088\u3046\u306b\u9032\u5316\u3059\u308b\u3053\u3068\u304c\u671f\u5f85\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5206\u6790<\/strong>: \u30e9\u30a4\u30d6\u30c7\u30fc\u30bf\u304b\u3089\u5373\u6642\u306e\u6d1e\u5bdf\u304c\u5f97\u3089\u308c\u307e\u3059\u3002<\/li>\n<li><strong>AI\u3068\u306e\u7d71\u5408<\/strong>: \u5f37\u5316\u3055\u308c\u305f\u4e88\u6e2c\u30e2\u30c7\u30ea\u30f3\u30b0\u3068\u5206\u6790\u3002<\/li>\n<li><strong>\u30af\u30e9\u30a6\u30c9\u30d9\u30fc\u30b9\u306e\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/strong>: \u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u3067\u30b3\u30b9\u30c8\u52b9\u7387\u306e\u9ad8\u3044\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3002<\/li>\n<\/ul>\n<h2>\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3092 OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3067\u4f7f\u7528\u3059\u308b\u65b9\u6cd5\u307e\u305f\u306f\u95a2\u9023\u4ed8\u3051\u308b\u65b9\u6cd5<\/h2>\n<p>OneProxy \u304c\u63d0\u4f9b\u3059\u308b\u3088\u3046\u306a\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u306f\u3001\u6b21\u306e\u65b9\u6cd5\u3067 OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u3068\u52b9\u7387\u3092\u5f37\u5316\u3067\u304d\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u8ca0\u8377\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u3068\u308b<\/strong>: \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u7dad\u6301\u3059\u308b\u305f\u3081\u306b\u30ea\u30af\u30a8\u30b9\u30c8\u3092\u5206\u6563\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u30bb\u30ad\u30e5\u30ea\u30c6\u30a3\u306e\u5f37\u5316<\/strong>: \u4e0d\u6b63\u30a2\u30af\u30bb\u30b9\u306b\u5bfe\u3059\u308b\u4fdd\u8b77\u5c64\u3092\u8ffd\u52a0\u3057\u307e\u3059\u3002<\/li>\n<li><strong>\u5730\u7406\u7684\u5206\u6790\u306e\u4fc3\u9032<\/strong>: \u30ed\u30fc\u30ab\u30e9\u30a4\u30ba\u3055\u308c\u305f\u30a2\u30af\u30bb\u30b9\u3068\u6d1e\u5bdf\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h2>\u95a2\u9023\u30ea\u30f3\u30af<\/h2>\n<ul>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/analysis-services\/\" target=\"_new\" rel=\"noopener nofollow\">\u30de\u30a4\u30af\u30ed\u30bd\u30d5\u30c8\u5206\u6790\u30b5\u30fc\u30d3\u30b9<\/a><\/li>\n<li><a href=\"https:\/\/www.ibm.com\/analytics\/olap\" target=\"_new\" rel=\"noopener nofollow\">IBM OLAP \u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/a><\/li>\n<li><a href=\"https:\/\/www.oracle.com\/database\/technologies\/related\/olap.html\" target=\"_new\" rel=\"noopener nofollow\">\u30aa\u30e9\u30af\u30eb<\/a><\/li>\n<li><a href=\"https:\/\/oneproxy.pro\/jp\/\" target=\"_new\" rel=\"noopener\">OneProxy\u30b5\u30fc\u30d3\u30b9<\/a><\/li>\n<\/ul>\n<p>\u591a\u9762\u7684\u306a\u6a5f\u80fd\u3092\u5099\u3048\u305f OLAP \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306f\u3001\u30c7\u30fc\u30bf\u306b\u57fa\u3065\u304f\u610f\u601d\u6c7a\u5b9a\u306b\u4e0d\u53ef\u6b20\u306a\u30c4\u30fc\u30eb\u3067\u3042\u308a\u7d9a\u3051\u3066\u3044\u307e\u3059\u3002OneProxy \u306a\u3069\u306e\u30d7\u30ed\u30ad\u30b7 \u30b5\u30fc\u30d0\u30fc\u3068\u9023\u643a\u3059\u308b\u3053\u3068\u3067\u3001\u73fe\u4ee3\u306e\u30d3\u30b8\u30cd\u30b9\u74b0\u5883\u306b\u304a\u3051\u308b\u9069\u5fdc\u6027\u3068\u52b9\u7387\u6027\u304c\u3055\u3089\u306b\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>","protected":false},"featured_media":469054,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-478259","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>OLAP Database<\/mark>","faq_items":[{"question":"What is an OLAP database?","answer":"<p>An OLAP (Online Analytical Processing) database is a specialized database optimized for querying and reporting rather than processing transactions. It enables the interactive analysis of multidimensional data, allowing complex calculations, trend analysis, and sophisticated data modeling.<\/p>"},{"question":"Who coined the term OLAP and when?","answer":"<p>Dr. Edgar F. Codd, widely recognized as the \"father of relational databases,\" first coined the term OLAP in his 1993 paper titled \"Providing OLAP to User-Analysts: An IT Mandate.\"<\/p>"},{"question":"What are the main types of OLAP databases?","answer":"<p>The main types of OLAP databases are MOLAP (Multidimensional OLAP), which uses a cube stored in a multidimensional database, ROLAP (Relational OLAP), which stores data in relational databases, and HOLAP (Hybrid OLAP), which combines features of both MOLAP and ROLAP.<\/p>"},{"question":"How does the internal structure of an OLAP database work?","answer":"<p>The core structure of an OLAP database revolves around a cube, comprising data sources, a fact table containing measures, dimension tables for categorization, pre-calculated aggregations, and indexes to speed up queries.<\/p>"},{"question":"What are the key features of an OLAP database?","answer":"<p>Key features of an OLAP database include multi-dimensional views, quick query performance, drill-down and roll-up capabilities, flexible reporting, and data slicing for examining specific levels of a dimension.<\/p>"},{"question":"What problems might be encountered with an OLAP database, and how can they be solved?","answer":"<p>Some common problems with OLAP databases include performance issues, which can be solved by optimizing queries or adding resources, and data integrity issues, which can be addressed through validation and quality checks.<\/p>"},{"question":"How are proxy servers like OneProxy associated with OLAP databases?","answer":"<p>Proxy servers like OneProxy can be used with OLAP databases to balance load by distributing requests, enhance security by adding a layer of protection against unauthorized access, and facilitate geographical analysis by providing localized access and insights.<\/p>"},{"question":"What are the future trends and technologies associated with OLAP databases?","answer":"<p>Future trends and technologies related to OLAP databases include real-time analytics for immediate insights from live data, integration with AI for enhanced predictive modeling and analysis, and cloud-based solutions for scalable and cost-effective platforms.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/wiki\/478259","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\/478259\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media\/469054"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/jp\/wp-json\/wp\/v2\/media?parent=478259"}],"curies":[{"name":"\u3046\u30fc\u3093","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}