{"id":476718,"date":"2023-08-09T07:35:16","date_gmt":"2023-08-09T07:35:16","guid":{"rendered":""},"modified":"2023-09-05T11:13:18","modified_gmt":"2023-09-05T11:13:18","slug":"data-transformation","status":"publish","type":"wiki","link":"https:\/\/oneproxy.pro\/kr\/wiki\/data-transformation\/","title":{"rendered":"\ub370\uc774\ud130 \ubcc0\ud658"},"content":{"rendered":"<p>\ub370\uc774\ud130 \ubcc0\ud658\uc740 \ub370\uc774\ud130\ub97c \ud55c \ud615\uc2dd\uc774\ub098 \uad6c\uc870\uc5d0\uc11c \ub2e4\ub978 \ud615\uc2dd\uc774\ub098 \uad6c\uc870\ub85c \ubcc0\ud658\ud558\ub294 \ud504\ub85c\uc138\uc2a4\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uad00\ud589\uc740 \ub370\uc774\ud130 \uad00\ub9ac\uc758 \uc911\uc694\ud55c \ubd80\ubd84\uc774\uba70 \uc77c\ubc18\uc801\uc73c\ub85c \ub370\uc774\ud130 \ud1b5\ud569, \ub370\uc774\ud130 \ub9c8\uc774\uadf8\ub808\uc774\uc158, \ub370\uc774\ud130 \uc6e8\uc5b4\ud558\uc6b0\uc9d5 \ubc0f \ub2e4\uc591\ud55c \ub370\uc774\ud130 \ucc98\ub9ac \uc791\uc5c5 \uc911\uc5d0 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc8fc\uc694 \ubaa9\uc801\uc740 \ud2b9\ud788 \ub370\uc774\ud130 \ubd84\uc11d \ubc0f \uc758\uc0ac \uacb0\uc815\uc758 \ub9e5\ub77d\uc5d0\uc11c \ub2e4\uc591\ud55c \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0 \ub300\ud55c \ub370\uc774\ud130 \ud488\uc9c8, \ud638\ud658\uc131 \ubc0f \uc720\uc6a9\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>\n<h2>\ub370\uc774\ud130 \ubcc0\ud658\uc758 \uc5ed\uc0ac\uc801 \ub9e5\ub77d<\/h2>\n<p>\ub370\uc774\ud130 \ubcc0\ud658\uc758 \uae30\uc6d0\uc740 \ucef4\ud4e8\ud130\uc640 \ub514\uc9c0\ud138 \ub370\uc774\ud130 \uc2a4\ud1a0\ub9ac\uc9c0\uc758 \ucd9c\ud604\uc73c\ub85c \uac70\uc2ac\ub7ec \uc62c\ub77c\uac11\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774 \uac1c\ub150\uc740 1970\ub144\ub300 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac \uc2dc\uc2a4\ud15c(DBMS)\uc774 \ub4f1\uc7a5\ud558\uba74\uc11c \ub450\uac01\uc744 \ub098\ud0c0\ub0c8\uc2b5\ub2c8\ub2e4. \ud604\uc7ac \uc774\ud574\ub418\ub294 \ub370\uc774\ud130 \ubcc0\ud658\uc5d0 \ub300\ud55c \uccab \ubc88\uc9f8 \uc5b8\uae09\uc740 \uc6b4\uc601 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \uc758\uc0ac \uacb0\uc815 \uc9c0\uc6d0 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c \ub370\uc774\ud130\ub97c \uc774\ub3d9\ud558\ub294 \ub370 \ud544\uc218\uc801\uc778 ETL(\ucd94\ucd9c, \ubcc0\ud658, \ub85c\ub4dc) \ud504\ub85c\uc138\uc2a4 \ubd84\uc57c\uc5d0\uc11c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub370\uc774\ud130 \ubcc0\ud658 \uc774\ud574<\/h2>\n<p>\ub370\uc774\ud130 \ubcc0\ud658\uc5d0\ub294 \uc5ec\ub7ec \uac00\uc9c0 \ud65c\ub3d9\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. \ud575\uc2ec\uc801\uc73c\ub85c\ub294 \ucd94\uac00 \ubd84\uc11d\uc774\ub098 \ucc98\ub9ac\ub97c \uc704\ud574 \ub370\uc774\ud130\ub97c \uc801\uc808\ud55c \ud615\uc2dd\uc73c\ub85c \uc218\uc815\ud569\ub2c8\ub2e4. \uc774 \ud504\ub85c\uc138\uc2a4\uc640 \uad00\ub828\ub41c \ub2e8\uacc4\uc5d0\ub294 \ub370\uc774\ud130 \uc815\ub9ac(\uc624\ub958 \ub610\ub294 \ubd88\uc77c\uce58 \uc81c\uac70), \uc9d1\uacc4(\ub370\uc774\ud130 \uc694\uc57d \ub610\ub294 \uadf8\ub8f9\ud654) \ubc0f \uc815\uaddc\ud654(\ub370\uc774\ud130 \uaddc\ubaa8 \uc218\uc815)\uac00 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ubcc0\ud658\uc758 \uc815\ud655\ud55c \ud2b9\uc131\uc740 \uc18c\uc2a4 \ubc0f \ub300\uc0c1 \ub370\uc774\ud130 \ubaa8\ub450\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uacfc \uad6c\uc870\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc5b4\ub5a4 \uacbd\uc6b0\uc5d0\ub294 \uc815\uc218\ub97c \uc2e4\uc218\ub85c \ubc14\uafb8\ub294 \ub4f1 \ub370\uc774\ud130 \uc720\ud615 \uac04\uc758 \uac04\ub2e8\ud55c \ubcc0\ud658\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\ub978 \uc0c1\ud669\uc5d0\uc11c\ub294 \ud14d\uc2a4\ud2b8 \ub9c8\uc774\ub2dd\uc774\ub098 \uac10\uc815 \ubd84\uc11d\uacfc \uac19\uc740 \ubcf5\uc7a1\ud55c \uc808\ucc28\uac00 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ub370\uc774\ud130 \ubcc0\ud658\uc758 \ub0b4\ubd80 \uad6c\uc870<\/h2>\n<p>\ub370\uc774\ud130 \ubcc0\ud658 \uc791\uc5c5\uc740 \ub370\uc774\ud130\uc758 \uc138\ubd80 \uc0ac\ud56d\uacfc \uc0ac\uc6a9\ub41c \ub3c4\uad6c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud504\ub85c\uc138\uc2a4\ub294 \uc2a4\ud06c\ub9bd\ud2b8\ub098 \uc18c\ud504\ud2b8\uc6e8\uc5b4 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc790\ub3d9\ud654\ub418\uba70 \ub2e4\uc74c\uacfc \uac19\uc740 \uc77c\ub828\uc758 \ub2e8\uacc4\ub97c \ub530\ub985\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\ub370\uc774\ud130 \uac80\uc0c9:<\/strong> \uc5ec\uae30\uc5d0\ub294 \uc18c\uc2a4 \ub370\uc774\ud130\uc758 \uad6c\uc870, \ud615\uc2dd \ubc0f \ud488\uc9c8\uc744 \uc774\ud574\ud558\ub294 \uac83\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ub370\uc774\ud130 \ub9e4\ud551:<\/strong> \uc774 \ub2e8\uacc4\uc5d0\ub294 \ub370\uc774\ud130\uc758 \uac1c\ubcc4 \ud544\ub4dc \ub610\ub294 \uc18d\uc131\uc774 \uc18c\uc2a4\uc5d0\uc11c \ub300\uc0c1\uc73c\ub85c \ubcc0\ud658\ub418\uac70\ub098 \ub9e4\ud551\ub418\ub294 \ubc29\ubc95\uc744 \uc815\uc758\ud558\ub294 \uc791\uc5c5\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\ucf54\ub4dc \uc0dd\uc131:<\/strong> \ub370\uc774\ud130 \ub9e4\ud551\uc5d0 \uc815\uc758\ub41c \ubcc0\ud658 \ub17c\ub9ac\ub294 \uc2e4\ud589 \uac00\ub2a5\ud55c \uc2a4\ud06c\ub9bd\ud2b8\ub098 \uc9c0\uce68\uc744 \ub9cc\ub4dc\ub294 \ub370 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2e4\ud589:<\/strong> \uc0dd\uc131\ub41c \ucf54\ub4dc\uac00 \uc2e4\ud589\ub418\uc5b4 \ub370\uc774\ud130\uc5d0 \ubcc0\ud658\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uac80\ud1a0 \ubc0f \uac1c\uc815:<\/strong> \ubcc0\ud658\ub41c \ub370\uc774\ud130\uc758 \ud488\uc9c8\uacfc \uc815\ud655\uc131\uc744 \uac80\uc0ac\ud558\uace0 \ud544\uc694\uc5d0 \ub530\ub77c \ubcc0\ud658 \ud504\ub85c\uc138\uc2a4\ub97c \uc870\uc815\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<h2>\ub370\uc774\ud130 \ubcc0\ud658\uc758 \uc8fc\uc694 \ud2b9\uc9d5<\/h2>\n<ul>\n<li><strong>\ub370\uc774\ud130 \uc815\ub9ac:<\/strong> \ubd88\uc77c\uce58, \uc911\ubcf5 \ub610\ub294 \uc624\ub958\ub97c \uc81c\uac70\ud558\uc5ec \ub370\uc774\ud130 \ud488\uc9c8\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ub370\uc774\ud130 \ud45c\uc900\ud654:<\/strong> \ub2e4\uc591\ud55c \ub370\uc774\ud130\ub97c \ud1b5\uc77c\ub41c \ud45c\uc900 \ud615\uc2dd\uc73c\ub85c \uac00\uc838\uc640 \ud638\ud658\uc131\uacfc \ud1b5\ud569\uc744 \uc6a9\uc774\ud558\uac8c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub370\uc774\ud130 \uc9d1\uacc4:<\/strong> \ubd84\uc11d \ubc0f \ubcf4\uace0\ub97c \uc6a9\uc774\ud558\uac8c \ud558\uae30 \uc704\ud574 \ub370\uc774\ud130\ub97c \uc694\uc57d\ud558\uac70\ub098 \uadf8\ub8f9\ud654\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\ub370\uc774\ud130 \uac15\ud654:<\/strong> \uad00\ub828 \uc815\ubcf4\ub97c \ucd94\uac00\ud558\uc5ec \ub370\uc774\ud130\uc758 \ub9e5\ub77d\uacfc \uc644\uc804\uc131\uc744 \uac1c\uc120\ud558\uc5ec \ub370\uc774\ud130\ub97c \ud5a5\uc0c1\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ub370\uc774\ud130 \ubcc0\ud658 \uc720\ud615<\/h2>\n<p>\ub370\uc774\ud130 \ubcc0\ud658\uc5d0\ub294 \ub2e4\uc591\ud55c \uc720\ud615\uc774 \uc788\uc73c\uba70 \ub370\uc774\ud130 \ubcc0\uacbd \uc0ac\ud56d\uc758 \ubcf5\uc7a1\uc131\uacfc \uc131\uaca9\uc744 \uae30\uc900\uc73c\ub85c \uad6c\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uc720\ud615<\/th>\n<th>\uc124\uba85<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub2e8\uc21c \ubcc0\ud658<\/td>\n<td>\ud544\ub4dc \uc774\ub984 \ubc14\uafb8\uae30, \ub370\uc774\ud130 \uc720\ud615 \ubcc0\uacbd, \ud14d\uc2a4\ud2b8 \ubb38\uc790\uc5f4 \uc218\uc815 \ub4f1 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \uae30\ubcf8\uc801\uc778 \ubcc0\uacbd \uc791\uc5c5\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ubcc0\ud658 \uc815\ub9ac<\/td>\n<td>\uc911\ubcf5\uc774\ub098 \ubd88\uc77c\uce58 \uc81c\uac70 \ub4f1 \ub370\uc774\ud130 \ud488\uc9c8 \uac1c\uc120\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ud1b5\ud569 \ubcc0\ud658<\/td>\n<td>\ub2e4\uc591\ud55c \uc18c\uc2a4\ub098 \ud544\ub4dc\uc758 \ub370\uc774\ud130\ub97c \uacb0\ud569\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\uace0\uae09 \ubcc0\ud658<\/td>\n<td>\ud14d\uc2a4\ud2b8 \ub9c8\uc774\ub2dd\uc774\ub098 \uac10\uc815 \ubd84\uc11d \ub4f1 \ub370\uc774\ud130\uc5d0 \ub300\ud55c \ubcf5\uc7a1\ud55c \ubcc0\uacbd \uc0ac\ud56d\uc744 \ud3ec\ud568\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ub370\uc774\ud130 \ubcc0\ud658\uc758 \uc801\uc6a9 \ubc0f \uacfc\uc81c<\/h2>\n<p>\ub370\uc774\ud130 \ubcc0\ud658\uc740 \ub370\uc774\ud130 \uc6e8\uc5b4\ud558\uc6b0\uc9d5, \ub370\uc774\ud130 \ud1b5\ud569, \uba38\uc2e0\ub7ec\ub2dd, \ube44\uc988\ub2c8\uc2a4 \uc778\ud154\ub9ac\uc804\uc2a4 \ub4f1 \ub2e4\uc591\ud55c \uc601\uc5ed\uc5d0\uc11c \ud65c\uc6a9\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac01 \ubd84\uc57c\uc5d0\uc11c\ub294 \ubd84\uc11d, \ubcf4\uace0 \ubc0f \uc758\uc0ac\uacb0\uc815\uc744 \uc704\ud55c \ub370\uc774\ud130\ub97c \uc900\ube44\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4.<\/p>\n<p>\uadf8\ub7ec\ub098 \uadf8 \uacfc\uc815\uc5d0 \uc5b4\ub824\uc6c0\uc774 \uc5c6\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4. \uc798\ubabb\ub41c \ubcc0\ud658\uc73c\ub85c \uc778\ud574 \ubd80\uc815\ud655\ud55c \uacb0\uacfc\uac00 \ubc1c\uc0dd\ud558\uac70\ub098 \ub370\uc774\ud130\uac00 \uc190\uc2e4\ub420 \uc218 \uc788\uc73c\ubbc0\ub85c \ub370\uc774\ud130 \ubcc0\ud658\uc5d0\ub294 \uc2e0\uc911\ud55c \uacc4\ud68d\uacfc \uc2e4\ud589\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub610\ud55c \ubcc0\ud658\uc740 \ud2b9\ud788 \ub300\uaddc\ubaa8 \ub370\uc774\ud130 \uc138\ud2b8\uc758 \uacbd\uc6b0 \uc2dc\uac04\uc774 \ub9ce\uc774 \uac78\ub9ac\uace0 \uacc4\uc0b0 \ube44\uc6a9\uc774 \ub9ce\uc774 \ub4e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubb38\uc81c\uc5d0 \ub300\ud55c \ud574\uacb0 \ubc29\ubc95\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uac15\ub825\ud55c \ub370\uc774\ud130 \ubcc0\ud658 \ub3c4\uad6c \uc0ac\uc6a9, \uc801\uc808\ud55c \uacc4\ud68d, \ubcc0\ud658 \ud504\ub85c\uc138\uc2a4\uc758 \ubc18\ubcf5 \ud14c\uc2a4\ud2b8 \ubc0f \uc218\uc815\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4.<\/p>\n<h2>\ube44\uad50 \ubc0f \ud2b9\uc131<\/h2>\n<p>\ub2e4\uc74c\uc740 \uad00\ub828 \uac1c\ub150\uacfc \uad00\ub828\ub41c \ub370\uc774\ud130 \ubcc0\ud658\uc758 \uba87 \uac00\uc9c0 \ube44\uad50 \ubc0f \ud2b9\uc131\uc785\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th>\uac1c\ub150<\/th>\n<th>\uc124\uba85<\/th>\n<th>\ub370\uc774\ud130 \ubcc0\ud658\uacfc\uc758 \uad00\uacc4<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>\ub370\uc774\ud130 \ud1b5\ud569<\/td>\n<td>\ub2e4\uc591\ud55c \uc18c\uc2a4\uc758 \ub370\uc774\ud130\ub97c \uc77c\uad00\ub41c \ub370\uc774\ud130 \uc800\uc7a5\uc18c\ub85c \uacb0\ud569<\/td>\n<td>\ub370\uc774\ud130 \ubcc0\ud658\uc740 \ub370\uc774\ud130 \ud1b5\ud569\uc758 \ud575\uc2ec \ub2e8\uacc4\ub85c, \ub2e4\uc591\ud55c \ub370\uc774\ud130 \uc18c\uc2a4 \uac04\uc758 \ud638\ud658\uc131\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>ETL(\ucd94\ucd9c, \ubcc0\ud658, \ub85c\ub4dc)<\/td>\n<td>\ub370\uc774\ud130 \uc6e8\uc5b4\ud558\uc6b0\uc9d5\uc744 \uc704\ud55c \ub370\uc774\ud130 \ud30c\uc774\ud504\ub77c\uc778 \ud504\ub85c\uc138\uc2a4<\/td>\n<td>\ub370\uc774\ud130 \ubcc0\ud658\uc740 ETL\uc758 &quot;T&quot;\ub85c, \ucd94\ucd9c\ub41c \ub370\uc774\ud130\ub97c \ub370\uc774\ud130 \uc6e8\uc5b4\ud558\uc6b0\uc2a4\uc5d0 \ub85c\ub4dc\ud558\uae30 \uc704\ud574 \ubcc0\ud658\ud569\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ub370\uc774\ud130 \uc815\ub9ac<\/td>\n<td>\uc190\uc0c1\ub418\uac70\ub098 \ubd80\uc815\ud655\ud55c \uae30\ub85d\uc744 \ubc1c\uacac\ud558\uace0 \uc218\uc815\ud558\ub294 \ud504\ub85c\uc138\uc2a4<\/td>\n<td>\ub370\uc774\ud130 \uc815\ub9ac\ub294 \ub370\uc774\ud130 \ubcc0\ud658\uc758 \ud558\uc704 \uc9d1\ud569\uc73c\ub85c \uac04\uc8fc\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td>\ub370\uc774\ud130 \ub9c8\uc774\uadf8\ub808\uc774\uc158<\/td>\n<td>\ud55c \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub2e4\ub978 \uc2dc\uc2a4\ud15c\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc774\ub3d9\ud558\ub294 \ud504\ub85c\uc138\uc2a4<\/td>\n<td>\ub370\uc774\ud130 \ub9c8\uc774\uadf8\ub808\uc774\uc158\uc5d0\uc11c\ub294 \uc6d0\ubcf8 \uc2dc\uc2a4\ud15c\uacfc \ub300\uc0c1 \uc2dc\uc2a4\ud15c\uc758 \uad6c\uc870\ub97c \uc77c\uce58\uc2dc\ud0a4\uae30 \uc704\ud574 \ub370\uc774\ud130 \ubcc0\ud658\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>\ubbf8\ub798 \uc804\ub9dd\uacfc \uae30\uc220<\/h2>\n<p>\ub370\uc774\ud130\uc758 \uaddc\ubaa8\uc640 \ubcf5\uc7a1\uc131\uc774 \uc9c0\uc18d\uc801\uc73c\ub85c \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \ub370\uc774\ud130 \ubcc0\ud658\uc740 \uc55e\uc73c\ub85c \ub354\uc6b1 \uc911\uc694\ud574\uc9c8 \uac83\uc785\ub2c8\ub2e4. \ube45\ub370\uc774\ud130, \uba38\uc2e0\ub7ec\ub2dd \ub4f1\uc758 \ud2b8\ub80c\ub4dc\ub294 \uace0\ud488\uc9c8\uc758 \uccb4\uacc4\ud654\ub41c \ub370\uc774\ud130\ub97c \uc694\uad6c\ud558\uba70 \ud6a8\uacfc\uc801\uc778 \ub370\uc774\ud130 \ubcc0\ud658\uc758 \ud544\uc694\uc131\uc744 \uac15\uc870\ud569\ub2c8\ub2e4.<\/p>\n<p>\ub610\ud55c \uc778\uacf5 \uc9c0\ub2a5(AI) \ubc0f \uae30\uacc4 \ud559\uc2b5 \uc54c\uace0\ub9ac\uc998\uacfc \uac19\uc740 \ucd5c\uc2e0 \uae30\uc220\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130 \ubcc0\ud658 \ud504\ub85c\uc138\uc2a4\ub97c \uc790\ub3d9\ud654\ud558\uace0 \ucd5c\uc801\ud654\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uc220\uc740 \ubcf4\ub2e4 \ubcf5\uc7a1\ud55c \ubcc0\ud658\uc744 \ucc98\ub9ac\ud558\uace0, \ubcc0\ud658\ub41c \ub370\uc774\ud130\uc758 \ud488\uc9c8\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uba70, \ud544\uc694\ud55c \uc2dc\uac04\uacfc \ub178\ub825\uc744 \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud504\ub85d\uc2dc \uc11c\ubc84 \ubc0f \ub370\uc774\ud130 \ubcc0\ud658<\/h2>\n<p>\ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \ud2b9\ud788 \uc6f9 \ub370\uc774\ud130 \ucd94\ucd9c \ub610\ub294 \uc6f9 \uc2a4\ud06c\ub798\ud551\uacfc \uad00\ub828\ud558\uc5ec \ub370\uc774\ud130 \ubcc0\ud658 \ud504\ub85c\uc138\uc2a4\uc5d0\uc11c \uc5ed\ud560\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud504\ub85d\uc2dc \uc11c\ubc84\ub294 \uc6f9 \uc11c\ubc84\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc218\uc9d1\ud558\uc5ec \ub370\uc774\ud130\uac00 \ucd5c\uc885 \ubaa9\uc801\uc9c0\uc5d0 \ub3c4\ub2ec\ud558\uae30 \uc804\uc5d0 \ub370\uc774\ud130 \ubcc0\ud658 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub294 \ucd94\uac00 \uacc4\uce35\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc5ec\uae30\uc5d0\ub294 \ub370\uc774\ud130 \uc815\ub9ac, \ud615\uc2dd \uc7ac\uc9c0\uc815 \ub610\ub294 \ucd94\uac00 \uc815\ubcf4\ub85c \ub370\uc774\ud130 \ubcf4\uac15\uc774 \ud3ec\ud568\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\uc801\uc73c\ub85c \uc774 \ubc29\ubc95\uc740 \ud2b9\ud788 OneProxy\uc640 \uac19\uc740 \ud68c\uc0ac\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \uc775\uba85 \ub610\ub294 \uc21c\ud658 \ud504\ub85d\uc2dc\uc758 \uacbd\uc6b0 \ub370\uc774\ud130 \uac1c\uc778 \uc815\ubcf4 \ubcf4\ud638 \ubc0f \ubcf4\uc548\uc744 \ubcf4\uc7a5\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uad00\ub828\ub41c \ub9c1\ud06c\ub4e4<\/h2>\n<ul>\n<li><a href=\"https:\/\/docs.microsoft.com\/en-us\/sql\/integration-services\/data-flow\/transformations\/data-flow-transformations?view=sql-server-ver15\" target=\"_new\" rel=\"noopener nofollow\">SQL Server\uc758 \ub370\uc774\ud130 \ubcc0\ud658 \uc11c\ube44\uc2a4<\/a><\/li>\n<li><a href=\"https:\/\/www.datamation.com\/big-data\/data-transformation-tools.html\" target=\"_new\" rel=\"noopener nofollow\">\ub370\uc774\ud130 \ubcc0\ud658 \ub3c4\uad6c \ubc0f \uae30\uc220<\/a><\/li>\n<li><a href=\"https:\/\/towardsdatascience.com\/data-preprocessing-concepts-fa946d11c825\" target=\"_new\" rel=\"noopener nofollow\">\uae30\uacc4 \ud559\uc2b5\uc758 \ub370\uc774\ud130 \ubcc0\ud658<\/a><\/li>\n<\/ul>","protected":false},"featured_media":468152,"menu_order":0,"template":"","meta":{"_acf_changed":false,"content-type":"","inline_featured_image":false,"footnotes":""},"class_list":["post-476718","wiki","type-wiki","status-publish","has-post-thumbnail","hentry"],"acf":{"faq_title":"Frequently Asked Questions about <mark>Data Transformation: An Overview<\/mark>","faq_items":[{"question":"What is Data Transformation?","answer":"<p>Data transformation is a crucial process in data management that involves converting data from one format or structure into another. Its primary purpose is to improve data quality, compatibility, and usefulness for different applications, especially in data analysis and decision-making contexts.<\/p>"},{"question":"When was Data Transformation first mentioned?","answer":"<p>Data transformation, as we understand it today, was first mentioned in the context of Extract, Transform, Load (ETL) processes in the 1970s. These processes were pivotal in moving data from operational databases to decision support databases.<\/p>"},{"question":"What are the main steps involved in Data Transformation?","answer":"<p>The main steps involved in data transformation are data discovery, data mapping, code generation, execution, and review &amp; revision. These steps may vary based on the data and the transformation tools used.<\/p>"},{"question":"What are some key features of Data Transformation?","answer":"<p>Key features of data transformation include data cleansing (removing errors and inconsistencies), data standardization (making data compatible for integration), data aggregation (summarizing or grouping data), and data enrichment (improving data by adding related information).<\/p>"},{"question":"What are some types of Data Transformation?","answer":"<p>Data transformation types can be categorized into simple transformations, cleaning transformations, integration transformations, and advanced transformations based on the complexity and nature of the changes made to the data.<\/p>"},{"question":"What are some applications and challenges of Data Transformation?","answer":"<p>Data transformation is used in fields like data warehousing, data integration, machine learning, and business intelligence. The challenges of data transformation include the need for careful planning and execution, the time-consuming nature of the process, and the potential for data loss or inaccuracies.<\/p>"},{"question":"How is Data Transformation related to future technologies?","answer":"<p>Data transformation is expected to become even more important as the scale and complexity of data continue to grow. Emerging technologies like artificial intelligence (AI) and machine learning algorithms are beginning to be used to automate and optimize the data transformation process.<\/p>"},{"question":"What is the connection between Proxy Servers and Data Transformation?","answer":"<p>Proxy servers, particularly in the context of web data extraction or web scraping, can provide an additional layer where data transformation operations are performed. They can collect data, reformat, clean, or augment it before the data reaches its final destination. This can also help to ensure data privacy and security.<\/p>"}]},"_links":{"self":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476718","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki"}],"about":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/types\/wiki"}],"version-history":[{"count":0,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/wiki\/476718\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media\/468152"}],"wp:attachment":[{"href":"https:\/\/oneproxy.pro\/kr\/wp-json\/wp\/v2\/media?parent=476718"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}