{"id":1475,"date":"2021-05-30T17:33:23","date_gmt":"2021-05-30T08:33:23","guid":{"rendered":"https:\/\/www.kwonline.org\/memo2\/?p=1475"},"modified":"2021-06-06T17:59:15","modified_gmt":"2021-06-06T08:59:15","slug":"the-data-warehouse-toolkit-date-dimensions","status":"publish","type":"post","link":"https:\/\/www.kwonline.org\/memo2\/2021\/05\/30\/the-data-warehouse-toolkit-date-dimensions\/","title":{"rendered":"The Data Warehouse Toolkit \u3092\u8aad\u3080 #2: Retail Sales"},"content":{"rendered":"<p>&nbsp;<br \/>\n\u524d\u56de\u304b\u3089\u306e\u7d9a\u304d\u3092\u30e1\u30e2\u3002<\/p>\n<p>\u524d\u56de\u306e\u8a18\u4e8b:<br \/>\n<a href=\"https:\/\/www.kwonline.org\/memo2\/2021\/05\/25\/the-data-warehouse-toolkit-4step-dimenstional-design\/\" rel=\"noopener\" target=\"_blank\">The Data Warehouse Toolkit \u3092\u8aad\u3080 #1: \u57fa\u672c\u306e4\u30b9\u30c6\u30c3\u30d7<\/a><\/p>\n<p>&nbsp;<\/p>\n<h2>\u5c0f\u58f2\u696d\u306b\u304a\u3051\u308b\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb<\/h2>\n<p>\u5c0f\u58f2\u696d\u306b\u304a\u3051\u308b\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u4f8b\u306f\u3053\u3093\u306a\u611f\u3058\u306b\u306a\u308b\u3002<\/p>\n<div id=\"attachment_1492\" style=\"width: 586px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1492\" src=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_facts_table.png\" alt=\"\" width=\"576\" height=\"293\" class=\"size-full wp-image-1492\" srcset=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_facts_table.png 576w, https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_facts_table-300x153.png 300w\" sizes=\"auto, (max-width: 576px) 100vw, 576px\" \/><p id=\"caption-attachment-1492\" class=\"wp-caption-text\">\u5c0f\u58f2\u696d\u306e\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u4f8b<\/p><\/div>\n<p>POS \u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306b\u304a\u3051\u308b\u500b\u5225\u306e\u5546\u54c1\u6bce\u306b1\u884c\u3068\u3044\u3046\u7c92\u5ea6\u306b\u306a\u3063\u3066\u3044\u308b\u3002<br \/>\n\u5e73\u305f\u304f\u8a00\u3046\u3068 SKU \u3054\u3068\u306b1\u884c\u3063\u3066\u4e8b\u304b\u3002<br \/>\n\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb\u3092\u6301\u3064\u30ab\u30e9\u30e0\u306f FK \u30e9\u30d9\u30eb\u304c\u3064\u3044\u3066\u308b\u3002<\/p>\n<p>\u3068\u3053\u308d\u3067 DD \u3063\u3066\u306a\u3093\u3060\u3068\u601d\u3063\u305f\u3089 Degenerate Dimension \u306e\u4e8b\u3067\u3001\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb\u3092\u6301\u305f\u306a\u3044\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306e\u4e8b\u3060\u305d\u3046\u3067\u3002<br \/>\n\u3053\u306e\u4f8b\u3060\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID\u304c\u8a72\u5f53\u3057\u3066\u308b\u3002<\/p>\n<p>SKU \u6bce\u306b\u4e00\u884c\u3058\u3083\u306a\u304f\u3066\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u6bce\u306b1\u884c\u306b\u3057\u3061\u3083\u3046\u3068\u3001 Transaction Dimension \u304c\u5fc5\u8981\u306b\u306a\u308b\u306a\u3002<br \/>\n\u305d\u3057\u3066\u305d\u306e\u7d50\u679c Transaction Dimension \u304b\u3089\u66f4\u306b Product Dimension \u304c\u6d3e\u751f\u3057\u3066\u30b9\u30ce\u30fc\u30d5\u30ec\u30fc\u30af\u578b\u30b9\u30ad\u30fc\u30de\u306b\u306a\u3063\u3066\u30e1\u30f3\u30c9\u30af\u30b5\u30a4\u3068\u898b\u305f\u3002<\/p>\n<p>&nbsp;<\/p>\n<h2>\u5c0f\u58f2\u696d\u306b\u304a\u3051\u308b\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3<\/h2>\n<p>\u5404\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb\u306b\u3064\u3044\u3066\u30e1\u30e2<\/p>\n<p>&nbsp;<\/p>\n<h3>Date Dimension<\/h3>\n<p>\u3069\u3093\u306a\u696d\u7a2e\u3067\u3042\u308c\u5fc5\u305a\u3042\u308b\u3060\u308d\u3046\u65e5\u4ed8\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u3002<br \/>\n\u4f8b\u3048\u3070\u3053\u3093\u306a\u30ab\u30e9\u30e0\u3067\u69cb\u6210\u3055\u308c\u308b\u3002<\/p>\n<div id=\"attachment_1481\" style=\"width: 376px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1481\" src=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_date_dim.png\" alt=\"\" width=\"366\" height=\"522\" class=\"size-full wp-image-1481\" srcset=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_date_dim.png 366w, https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_date_dim-210x300.png 210w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><p id=\"caption-attachment-1481\" class=\"wp-caption-text\">\u65e5\u4ed8\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb\u306e\u4f8b<\/p><\/div>\n<p>\u65e5\u4ed8\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306f\u4ed6\u306e\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u3068\u9055\u3063\u3066\u3042\u3089\u304b\u3058\u3081\u7528\u610f\u3059\u308b\u4e8b\u304c\u51fa\u6765\u308b\u306e\u3067\u5148\u306b\u4f5c\u3063\u3066\u304a\u3044\u3066OK\u3002<br \/>\n\u6642\u9593\u3054\u3068\u3084\u79d2\u3054\u3068\u306b\u3059\u308b\u5fc5\u8981\u306f\u306a\u3044\u3002\u305d\u308c\u3060\u3068\u7d30\u304b\u3059\u304e\u308b\u3068\u3044\u3046\u304b\u30c7\u30fc\u30bf\u5897\u3048\u3059\u304e\u308b\u3002<\/p>\n<p>\u65e5\u6bce\u306a\u308920\u5e74\u3067\u3082\u7d047,300\u884c\u3067\u53ce\u307e\u308b\u3002<br \/>\n\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u304c\u767a\u751f\u3057\u305f\u6642\u9593\u3084\u79d2\u3082\u8a18\u9332\u3057\u305f\u3044\u306a\u3089\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u306b\u5165\u308c\u308c\u3070\u3088\u3044\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>Product Dimension<\/h3>\n<p>\u5546\u54c1\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306f SKU \u6bce\u306e\u60c5\u5831\u3092\u683c\u7d0d\u3059\u308b\u3002<br \/>\n\u30b0\u30b0\u3063\u305f\u3089\u65e5\u672c\u306e\u30b3\u30f3\u30d3\u30cb\u3060\u3068\u304a\u5e97\u306b\u5b58\u5728\u3059\u308b SKU \u306f\u7d04 2,500 \u500b\u3002<br \/>\n\u30b9\u30fc\u30d1\u30fc\u30de\u30fc\u30b1\u30c3\u30c8\u3060\u3068\u898f\u6a21\u306b\u3088\u3063\u3066 \u7d04 15,000 \u301c 60,000 \u500b\u3089\u3057\u3044\u3002<br \/>\n\u5546\u54c1\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306e\u4f8b\u306f\u3053\u3093\u306a\u611f\u3058\u3002<\/p>\n<div id=\"attachment_1483\" style=\"width: 205px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1483\" src=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_product_dim.png\" alt=\"\" width=\"195\" height=\"364\" class=\"size-full wp-image-1483\" srcset=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_product_dim.png 195w, https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_product_dim-161x300.png 161w\" sizes=\"auto, (max-width: 195px) 100vw, 195px\" \/><p id=\"caption-attachment-1483\" class=\"wp-caption-text\">\u5546\u54c1\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306e\u4f8b<\/p><\/div>\n<p>\u306a\u304a SKU \u306f\u30d7\u30e9\u30a4\u30de\u30ea\u30ad\u30fc\u3067\u306f\u306a\u3044\u3002<br \/>\nNK \u3064\u307e\u308a\u30ca\u30c1\u30e5\u30e9\u30eb\u30ad\u30fc\u306a\u3093\u3060\u3051\u3069\u3001\u305d\u3082\u305d\u3082\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30ca\u30eb\u30e2\u30c7\u30eb\u306b\u304a\u3044\u3066\u30ca\u30c1\u30e5\u30e9\u30eb\u30ad\u30fc\u306f\u7d76\u5bfe\u306b\u30d7\u30e9\u30a4\u30de\u30ea\u30ad\u30fc\u3068\u3057\u3066\u4f7f\u308f\u306a\u3044\u3002<br \/>\n\u5fc5\u305a\u4ee3\u7406\u306e\u30b5\u30ed\u30b2\u30fc\u30c8\u30ad\u30fc\u3092\u4f7f\u3046\u3002<br \/>\n\u3068\u3044\u3046\u308f\u3051\u3067 SKU \u306f\u30d7\u30e9\u30a4\u30de\u30ea\u30ad\u30fc\u3058\u3083\u306a\u3044\u3002<br \/>\n\u30ca\u30c1\u30e5\u30e9\u30eb\u30ad\u30fc\u306f\u30d3\u30b8\u30cd\u30b9\u4e0a\u306e\u7406\u7531\u3067\u3001\u4f8b\u3048\u3070\u5408\u4f75\u3068\u304b\u4e8b\u696d\u518d\u7de8\u3067\u5909\u308f\u3063\u305f\u308a\u518d\u5229\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u304b\u3089\u3001\u3068\u3044\u3046\u7406\u7531\u3002<\/p>\n<p>\u306a\u304a\u5b9f\u969b\u306b Product Dimension \u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u308d\u3046\u3068\u3059\u308b\u3068\u5c5e\u6027\u60c5\u5831\u304c\u3042\u308c\u3084\u3053\u308c\u3084\u3042\u3063\u3066\u30ab\u30e9\u30e0\u6570\u3082\u7d50\u5c4050\u500b\u304f\u3089\u3044\u3042\u3063\u305f\u308a\u3059\u308b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>Store Dimension<\/h3>\n<p>\u30c1\u30a7\u30fc\u30f3\u5e97\u306e\u5e97\u8217\u5225\u306e\u60c5\u5831\u304c\u683c\u7d0d\u3055\u308c\u308b\u5e97\u8217\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u3002<br \/>\n\u4f8b\u3048\u3070\u3053\u3093\u306a\u30ab\u30e9\u30e0\u69cb\u6210\u3002<\/p>\n<div id=\"attachment_1487\" style=\"width: 199px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1487\" src=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_store_dim.png\" alt=\"\" width=\"189\" height=\"359\" class=\"size-full wp-image-1487\" srcset=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_store_dim.png 189w, https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_store_dim-158x300.png 158w\" sizes=\"auto, (max-width: 189px) 100vw, 189px\" \/><p id=\"caption-attachment-1487\" class=\"wp-caption-text\">\u5e97\u8217\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306e\u4f8b<\/p><\/div>\n<p>\u3053\u3053\u3067\u3082\u5f53\u7136\u30ca\u30c1\u30e5\u30e9\u30eb\u30ad\u30fc\u306e\u5e97\u8217\u756a\u53f7\u306f\u30d7\u30e9\u30a4\u30de\u30ea\u30ad\u30fc\u3067\u306f\u306a\u3044\u3002<\/p>\n<p>\u3055\u3066\u3001\u3053\u306e\u5e97\u8217\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306b\u306f\u5e97\u8217\u30aa\u30fc\u30d7\u30f3\u65e5\u306a\u3069\u306e\u65e5\u4ed8\u30ab\u30e9\u30e0\u304c\u5b58\u5728\u3057\u3066\u3044\u308b\u3002<br \/>\n\u3053\u306e\u65e5\u4ed8\u306b\u5bfe\u3057\u3066\u306f\u5148\u306b\u4f5c\u3063\u305f\u65e5\u4ed8\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u304b\u3089 CREATE VIEW \u3057\u3066\u300c\u5e97\u8217\u30aa\u30fc\u30d7\u30f3\u65e5\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30d3\u30e5\u30fc\u300d\u3092\u4f5c\u6210\u3059\u308b\u306e\u304c\u826f\u3044\u3002<\/p>\n<p>\u3053\u3046\u3044\u3046\u88dc\u52a9\u30c6\u30fc\u30d6\u30eb\u3092 Outrigger (\u30a2\u30a6\u30c8\u30ea\u30ac\u30fc:\u8237\u5916\u6d6e\u5264) \u3068\u3082\u8a00\u3046\u3002<br \/>\n\u305f\u3060\u3057\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb\u304b\u3089\u66f4\u306b\u88dc\u52a9\u30c6\u30fc\u30d6\u30eb\u3092\u4f38\u3070\u3059\u30b9\u30ce\u30fc\u30d5\u30ec\u30fc\u30af\u578b\u306e\u30b9\u30ad\u30fc\u30de\u306f\u7ba1\u7406\u304c\u7169\u96d1\u306b\u306a\u308b\u304b\u3089\u63a8\u5968\u3055\u308c\u306a\u3044\u3002<br \/>\n\u65e5\u4ed8\u4ee5\u5916\u306b\u306f\u591a\u69d8\u7981\u6b62\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>Promotion Dimension<\/h3>\n<p>\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u60c5\u5831\u3092\u683c\u7d0d\u3059\u308b Promotion Dimension \u306f\u4ed6\u306e\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u3068\u6027\u683c\u304c\u7570\u306a\u308b\u3002<br \/>\n\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306f Causal Dimension (\u539f\u56e0\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3) \u3068\u8a00\u308f\u308c\u3066\u3044\u3066\u3001\u58f2\u4e0a\u306b\u5f71\u97ff\u3092\u53ca\u307c\u3057\u305f\u53ef\u80fd\u6027\u304c\u3042\u308b\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u3067\u3042\u308b\u3002<\/p>\n<div id=\"attachment_1489\" style=\"width: 199px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1489\" src=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_promotion_dim.png\" alt=\"\" width=\"189\" height=\"244\" class=\"size-full wp-image-1489\" \/><p id=\"caption-attachment-1489\" class=\"wp-caption-text\">\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306e\u4f8b<\/p><\/div>\n<p>Ad, Display, Coupon \u3068\u3044\u3046\u5225\u3005\u306e\u30ab\u30e9\u30e0\u306b\u5206\u304b\u308c\u3066\u308b\u3093\u3060\u3051\u3069\u3001\u3053\u308c\u306f\u4f75\u7528\u53ef\u80fd\u306a\u30b1\u30fc\u30b9\u3092\u8003\u616e\u3057\u3066\u308b\u305d\u3046\u306a\u3093\u3060\u304c\u3001\u3053\u3053\u307e\u3067\u5206\u3051\u306a\u304f\u3066\u3082OK\u3089\u3057\u3044\u3002<br \/>\n\u30c7\u30fc\u30bf\u5229\u7528\u8005\u304c BI \u3067\u5206\u6790\u3059\u308b\u6642\u306b\u5225\u3005\u306e\u30ab\u30e9\u30e0\u306b\u306a\u3063\u3066\u308b\u65b9\u304c\u5206\u304b\u308a\u3084\u3059\u305d\u3046\u3068\u304b\u305d\u3093\u306a\u7406\u7531\u3002<\/p>\n<p>\u3067\u3001\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u306b\u306f null \u30ab\u30e9\u30e0\u3092\u4f5c\u3063\u3066\u306f\u884c\u3051\u306a\u3044\u3068\u3044\u3046\u539f\u5247\u304c\u3042\u308b\u3002<br \/>\n\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u306b\u95a2\u4fc2\u306a\u3044\u5546\u54c1\u304c\u58f2\u308c\u305f\u5834\u5408\u3001\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u305b\u3081\u3066 0 \u3068\u304b -1 \u306a\u3069\u306e\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u9069\u7528\u5916\u3067\u3042\u308b\u4e8b\u304c\u5206\u304b\u308b\u5024\u3092\u5165\u308c\u308b\u3002<br \/>\n\u305d\u308c\u3067\u3082\u3063\u3066 Promotion Demension \u3068 LEFT JOIN \u3059\u308c\u3070 OK.<\/p>\n<p>&nbsp;<\/p>\n<h3>\u305d\u306e\u4ed6\u306e\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3<\/h3>\n<p>\u4ee5\u4e0a\u306e\u3088\u3046\u306a\u611f\u3058\u3067 Cashier Dimension \u3084 Payment Method Dimension \u3092\u8a2d\u8a08\u3059\u308c\u3070OK.<\/p>\n<p>\u3057\u304b\u3057\u3001\u652f\u6255\u3044\u65b9\u6cd5\u3092\u8907\u6570\u4f7f\u3048\u308b\u5834\u5408\u306f\u3069\u3046\u3059\u3079\u304d\u306a\u3093\u3060\u308d\u3046\u3002<br \/>\nPayment Dimension \u30c6\u30fc\u30d6\u30eb\u5074\u3092 Array \u306b\u3057\u3061\u3083\u3046\u3068\u304b\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001 \u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u30c6\u30fc\u30d6\u30eb\u3092\u6301\u305f\u306a\u3044 Degenerate Dimension \u3066\u306e\u3082\u3042\u308b\u3002<br \/>\n\u4eca\u56de\u306e\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u4f8b\u3060\u3068 POS\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID\u304c\u305d\u3046\u3002<br \/>\n\u3053\u306e\u30d5\u30a1\u30af\u30c8\u3060\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID\u306fSKU\u6bce\u306b\u5206\u89e3\u3055\u308c\u3066\u308b\u306e\u3067\u3001\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3ID\u306f\u3042\u304f\u307e\u3067\u3082\u89aa\u30ab\u30c6\u30b4\u30ea\u307f\u305f\u3044\u306a\u6271\u3044\u306b\u306a\u308b\u3002<\/p>\n<p>\u306a\u304a\u3001Transaction Dimension \u3066\u306e\u3092\u4f5c\u3063\u3066\u305d\u3063\u3061\u3068 JOIN \u3059\u308b\u3063\u3066\u306e\u3082\u30a2\u30ea\u3089\u3057\u3044\u3002<br \/>\n\u305d\u3046\u3059\u308c\u3070 Transaction \u306b\u7d10\u3065\u304f\u8acb\u6c42\u60c5\u5831\u306a\u3069\u3068\u7e4b\u3052\u3089\u308c\u308b\u3002<br \/>\n\u307e\u3041\u8981\u4ef6\u6b21\u7b2c\u3060\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>Factless Fact Table<\/h3>\n<p>\u5c0f\u58f2\u696d\u306e\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u306b\u306f\u300c\u58f2\u308c\u305f\u5546\u54c1\u300d\u306e\u60c5\u5831\u304c\u5165\u308b\u308f\u3051\u3060\u304c\u3001\u300c\u58f2\u308c\u306a\u304b\u3063\u305f\u5546\u54c1\u300d\u306e\u60c5\u5831\u306f\u5f53\u7136\u5165\u3089\u306a\u3044\u3002<br \/>\n\u4f8b\u3048\u3070\u30bb\u30fc\u30eb\u5bfe\u8c61\u54c1\u306a\u306e\u306b\u4e00\u5207\u58f2\u308c\u306a\u304b\u3063\u305f\u5546\u54c1\u306f\u4f55\u304b\uff1f\u3068\u3044\u3046\u5206\u6790\u304c\u51fa\u6765\u306a\u3044\u3002<\/p>\n<p>\u3068\u3044\u3046\u308f\u3051\u3067\u3001KPI\u6307\u6a19\u3068\u7d10\u4ed8\u304b\u306a\u3044\u30ea\u30b9\u30c8\u30c6\u30fc\u30d6\u30eb\u3092\u5225\u9014\u7528\u610f\u3057\u3066\u6bd4\u8f03\u3059\u308b\u3068\u3044\u3046\u624b\u6cd5\u304c\u3042\u308b\u3002<br \/>\n\u4f8b\u3048\u3070\u300c\u30d7\u30ed\u30e2\u30fc\u30b7\u30e7\u30f3\u5bfe\u8c61\u5546\u54c1\u30d5\u30a1\u30af\u30c8\u300d\u306a\u3093\u3066\u3044\u3046\u30c6\u30fc\u30d6\u30eb\u3092\u4f5c\u308b\u3002<\/p>\n<div id=\"attachment_1493\" style=\"width: 533px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" aria-describedby=\"caption-attachment-1493\" src=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_promo_cover_facts.png\" alt=\"\" width=\"523\" height=\"131\" class=\"size-full wp-image-1493\" srcset=\"https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_promo_cover_facts.png 523w, https:\/\/www.kwonline.org\/memo2\/wp-content\/uploads\/2021\/05\/retail_promo_cover_facts-300x75.png 300w\" sizes=\"auto, (max-width: 523px) 100vw, 523px\" \/><p id=\"caption-attachment-1493\" class=\"wp-caption-text\">\u30d7\u30ed\u30e2\u5bfe\u8c61\u5546\u54c1\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u4f8b<\/p><\/div>\n<p>\u3053\u308c\u3092\u65e5\u5225\u306b\u30c7\u30fc\u30bf\u3092\u6295\u5165\u3057\u3066\u3001\u5206\u6790\u306e\u969b\u306b JOIN \u3057\u3066\u6bd4\u8f03\u3059\u308b\u3068\u3044\u3046\u4e8b\u3002<\/p>\n<p>&nbsp;<\/p>\n<h3>\u3068\u306b\u304b\u304f\u30b5\u30ed\u30b2\u30fc\u30c8\u30ad\u30fc\u3092\u4f7f\u3046<\/h3>\n<p>\u672c\u8aad\u3093\u3067\u308b\u3068\u3068\u306b\u304b\u304f\u300c\u30ca\u30c1\u30e5\u30e9\u30eb\u30ad\u30fc\u306f\u4f7f\u3046\u306a\u3001\u30b5\u30ed\u30b2\u30fc\u30c8\u30ad\u30fc\u4f7f\u3048\u300d\u3068\u3044\u3046\u30e1\u30c3\u30bb\u30fc\u30b8\u304c\u5f37\u8abf\u3055\u308c\u3066\u308b\u3002<br \/>\n\u305f\u3057\u304b\u306b\u30ca\u30c1\u30e5\u30e9\u30eb\u30ad\u30fc\u306f\u6052\u4e45\u7684\u3058\u3083\u306a\u3044\u3082\u3093\u304c\u591a\u3044\u304b\u3089\u30c0\u30e1\u7d76\u5bfe\u3002<\/p>\n<p>\u305d\u3057\u3066\u3053\u3053\u307e\u3067\u30e1\u30e2\u66f8\u3044\u3066\u6c17\u3065\u3044\u305f\u304c\u30c7\u30a3\u30e1\u30f3\u30b7\u30e7\u30f3\u306e\u66f4\u65b0\u306b\u3064\u3044\u3066\u306f\u8003\u616e\u3055\u308c\u3066\u306a\u3044\u69cb\u6210\u3060\u3002<br \/>\nSlowly-Changing-Dimension \u3092 Type2 \u578b(\u8ffd\u8a18\u578b)\u306b\u3059\u308b\u306a\u3089\u6709\u52b9\u671f\u9593(\u958b\u59cb&#038;\u7d42\u4e86)\u3068\u73fe\u5728\u5024\u3092\u5224\u5b9a\u3059\u308b\u305f\u3081\u306e\u30ab\u30e9\u30e0\u3082\u5fc5\u8981\u3002<\/p>\n<p>\u3060\u304c\u3057\u304b\u3057\u4eca\u56de\u306f\u3053\u3053\u307e\u3067\u3002<\/p>\n<p>\u3064\u3065\u304f\u3002<\/p>\n<p>\u6b21\u306e\u8a18\u4e8b:<br \/>\n<a href=\"https:\/\/www.kwonline.org\/memo2\/2021\/06\/06\/the-data-warehouse-toolkit-inventory\/\" rel=\"noopener\" target=\"_blank\">The Data Warehouse Toolkit \u3092\u8aad\u3080 #3: Inventory<\/a><br \/>\n&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>&nbsp; \u524d\u56de\u304b\u3089\u306e\u7d9a\u304d\u3092\u30e1\u30e2\u3002 \u524d\u56de\u306e\u8a18\u4e8b: The Data Warehouse Toolkit \u3092\u8aad\u3080 #1: \u57fa\u672c\u306e4\u30b9\u30c6\u30c3\u30d7 &nbsp; \u5c0f\u58f2\u696d\u306b\u304a\u3051\u308b\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb \u5c0f\u58f2\u696d\u306b\u304a\u3051\u308b\u30d5\u30a1\u30af\u30c8\u30c6\u30fc\u30d6\u30eb\u306e\u4f8b [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[21],"tags":[],"class_list":["post-1475","post","type-post","status-publish","format-standard","hentry","category-data-engineering"],"_links":{"self":[{"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/posts\/1475","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/comments?post=1475"}],"version-history":[{"count":16,"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/posts\/1475\/revisions"}],"predecessor-version":[{"id":1521,"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/posts\/1475\/revisions\/1521"}],"wp:attachment":[{"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/media?parent=1475"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/categories?post=1475"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kwonline.org\/memo2\/wp-json\/wp\/v2\/tags?post=1475"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}