{"id":178228,"date":"2024-12-23T07:08:00","date_gmt":"2024-12-23T15:08:00","guid":{"rendered":"https:\/\/blog.everpuredata.com\/?p=178228"},"modified":"2026-04-19T18:33:04","modified_gmt":"2026-04-20T01:33:04","slug":"sql-update-vs-insert-vs-upsert","status":"publish","type":"post","link":"https:\/\/blog.everpuredata.com\/ko\/purely-technical\/sql-update-vs-insert-vs-upsert\/","title":{"rendered":"SQL \uc5c5\ub370\uc774\ud2b8 vs. \uc0bd\uc785 vs. UPSERT"},"content":{"rendered":"\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-7387b849 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-medium-font-size is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:70%\">\n<div id=\"CONTENT\" class=\"wp-block-group is-layout-flow wp-block-group-is-layout-flow\">\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\uc5b4\ub5a4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\ub4e0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud14c\uc774\ube14\uc5d0 \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud558\uace0 \ud574\ub2f9 \ub808\ucf54\ub4dc\uc5d0 \uc800\uc7a5\ub41c \uc815\ubcf4\ub97c \ubcc0\uacbd\ud574\uc57c \ud569\ub2c8\ub2e4. \uc5c5\ub370\uc774\ud2b8 SQL \ubb38\uc740 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc774\ubbf8 \uc800\uc7a5\ub41c \ub370\uc774\ud130\ub97c \ubcc0\uacbd\ud558\uace0 \uc0bd\uc785 \ubb38\uc740 \ud14c\uc774\ube14\uc5d0 \uc0c8 \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. UPSERT \uc120\uc5b8\ubb38\uc740 \uc0bd\uc785\uacfc \uc5c5\ub370\uc774\ud2b8\uc758 \uc870\ud569\uc774\uba70, \uc5c5\ub370\uc774\ud2b8\uac00 \uc218\ud589\ub418\uac70\ub098 \uae30\ub85d\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0 \uae30\ub85d\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4. \uc5ec\uae30\uc11c\ub294 SQL UPDATE vs. INSERT vs. UPSERT\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sql\uc5d0\uc11c-\uc5c5\ub370\uc774\ud2b8\ub97c-\uc0ac\uc6a9\ud558\ub294-\ubc29\ubc95-\uc608\uc2dc\">SQL\uc5d0\uc11c \uc5c5\ub370\uc774\ud2b8\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95: \uc608\uc2dc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\uc5c5\ub370\uc774\ud2b8 \uc120\uc5b8\ubb38\uc740 \uc0ac\uc6a9\uc790\uac00 \uc9c0\uc815\ud55c \uc0c8\ub85c\uc6b4 \uc815\ubcf4\ub85c \ud604\uc7ac \ub808\ucf54\ub4dc\ub97c \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uace0\uac1d\uc740 \uc804\uc790\uc0c1\uac70\ub798 \ud14c\uc774\ube14\uc5d0\uc11c \uc5f0\ub77d\ucc98 \uc815\ubcf4\ub97c \uc774\ub3d9 \ubc0f \ubcc0\uacbd\ud560 \uc218 \uc788\uc73c\uba70, \uc5c5\ub370\uc774\ud2b8 \ub0b4\uc5ed\uc11c\uac00 \ubcc0\uacbd\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c \ubcc0\uacbd\ud55c \ub0b4\uc6a9\uc740 \uc5c5\ub370\uc774\ud2b8 \uc120\uc5b8\ubb38\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ucffc\ub9ac\ub97c \ucd5c\uc801\ud654\ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc9c0\uc5f0\uc774 \uac10\uc18c\ud55c\ub2e4\ub294 \uc810\uc744 \uc720\ub150\ud574\uc57c \ud569\ub2c8\ub2e4. \ucd5c\uc801\ud654\ub41c \uc5c5\ub370\uc774\ud2b8 \ucffc\ub9ac\ub294 \ub370\uc774\ud130 \ucc98\ub9ac\ub97c \ub2e8 \ubc00\ub9ac\ucd08\ub85c \uc904\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uc778\ud504\ub77c\ub294 \ub300\uc6a9\ub7c9 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc11c\ubc84\uc758 \ub0ae\uc740 \ub808\uc774\ud134\uc2dc\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4. \ub2e4\uc74c \ucffc\ub9ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc2dc\uc791\ud558\uc2ed\uc2dc\uc624. \uc77c\ubc18\uc801\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ub418\ub294 \uc778\ub371\uc2f1 \uc5f4\uc740 \uc131\ub2a5\uc744 \uac1c\uc120\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub300\uaddc\ubaa8 \ub3d9\uc2dc\uc801 \uc6cc\ud06c\ub85c\ub4dc\uc758 \uacbd\uc6b0, \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uac1c\ubc1c\uc790\ub294 \uaca9\ub9ac \uc218\uc900\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ud14c\uc774\ud2b8\uba3c\ud2b8\uac00 \ub2e4\ub978 \uc2a4\ud14c\uc774\ud2b8\uba3c\ud2b8\uc5d0\ub3c4 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\ub3c4\ub85d \ubcf4\ud638\ud574\uc57c \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uac1c\ubc1c\uc790\uc640 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uad00\ub9ac\uc790\ub294 \ucf54\ub4dc\uc5d0 \uc624\ub958\uac00 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc774 \uc608\uc81c\ub294 \uac01 \uba85\ub839\uc744 \uc218\ud589\ud558\ub294 \ubc29\ubc95\uc744 \ubcf4\uc5ec\uc8fc\uc9c0\ub9cc, \ube44\uc988\ub2c8\uc2a4 \ub85c\uc9c1\uc740 \uc624\ub958\uac00 \ubc1c\uc0dd\ud558\ub294 \uacbd\uc6b0 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud558\ub294\uc9c0 \uacb0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uc0c8 \uace0\uac1d \ub808\ucf54\ub4dc\ub97c \uc0bd\uc785\ud558\uc9c0 \ubabb\ud558\ub294 \uacbd\uc6b0, \uc0ac\uc6a9\uc790\uc5d0\uac8c \ub2e4\uc2dc \uc2dc\ub3c4\ud558\ub3c4\ub85d \uc54c\ub9ac\uac70\ub098 \uace0\uac1d \uc11c\ube44\uc2a4\uc5d0 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624. \uc131\ub2a5 \ubaa8\ub2c8\ud130\ub9c1 \ud234\uc744 \uc0ac\uc6a9\ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc9c0\uc5f0, \uc624\ub958 \ubc0f \ucd5c\uc801\ud654 \uacbd\uace0\ub97c \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p class=\"has-text-align-center wp-block-paragraph\"><a href=\"https:\/\/support.purestorage.com\/Solutions\/Microsoft_Platform_Guide\/Microsoft_SQL_Server\/001_Microsoft_SQL_Server_Quick_Reference\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\"><em>SQL \uc5c5\ub370\uc774\ud2b8: \uc608<\/em><\/span><\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\ub300\ubd80\ubd84\uc758 SQL \uc5c5\ub370\uc774\ud2b8 \ubb38\uc5d0\ub294 WHERE \uc808\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. WHERE \uc808\uc740 \uc5b4\ub5a4 \uae30\ub85d\uc774 \uc5c5\ub370\uc774\ud2b8\ub420\uc9c0 \uacb0\uc815\ud558\uace0 \ub2e4\ub978 \uae30\ub85d\uc740 \uadf8\ub300\ub85c \ub461\ub2c8\ub2e4. UPDATE \ubb38\uc744 \uc2e4\ud589\ud560 \ub54c WHERE \uc808\uc744 \uc0ac\uc6a9\ud558\uc9c0 \uc54a\uc73c\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ubaa8\ub4e0 \ub808\ucf54\ub4dc\ub97c \ubcc0\uacbd\ud558\ubbc0\ub85c \uc624\ub958\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc2e4\uc218\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574 SQL \ubb38\uc5d0 WHERE \uc808\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">UPDATE \ubb38 \uad6c\ubb38\uc740 \uc0ac\uc6a9\ud558\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5d4\uc9c4\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. MySQL \ubc0f Oracle SQL \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc5c5\ub370\uc774\ud2b8 \uad6c\ubb38\uc5d0 \uc720\uc0ac\ud55c \uad6c\ubb38\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uc608\ub294 \uace0\uac1d\uc758 ID\uac00 44\uc778 \uacbd\uc6b0 \uace0\uac1d\uc758 \uc774\ub984\uc744 \u201cjohn\u201d\uc73c\ub85c \ubcc0\uacbd\ud569\ub2c8\ub2e4.<\/span><br><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-762af201278d12de53bee1beafdd1ddd\" id=\"h-mysql-\uc5c5\ub370\uc774\ud2b8-\uba85\ub839\"><strong>MySQL: \uc5c5\ub370\uc774\ud2b8 \uba85\ub839<br><\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\uace0\uac1d \uc5c5\ub370\uc774\ud2b8\n\nSET first_name = \u2018\uc874\u2019\n\n\uc5ec\uae30\uc11c id = 44;<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-59dbf0676da659ddfa975b605ae93f3f\" id=\"h-oracle-sql-\uc5c5\ub370\uc774\ud2b8-\uba85\ub839\"><strong>Oracle SQL: \uc5c5\ub370\uc774\ud2b8 \uba85\ub839<br><\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\uace0\uac1d \uc5c5\ub370\uc774\ud2b8\n\nSET first_name = \u2018\uc874\u2019\n\n\uc5ec\uae30\uc11c id = 44;<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sql\uc5d0\uc11c-\uc0bd\uc785\uc744-\uc0ac\uc6a9\ud558\ub294-\ubc29\ubc95-\uc608\uc2dc\">SQL\uc5d0\uc11c \uc0bd\uc785\uc744 \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95: \uc608\uc2dc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\ud14c\uc774\ube14\uc5d0 \uc0c8 \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud558\ub824\uba74 SQL \ubb38 \uc0bd\uc785\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc124\uacc4\uc790\ub294 \ubaa8\ub4e0 \ub808\ucf54\ub4dc\uc5d0 \uace0\uc720\ud55c \uc2dd\ubcc4\uc790\ub97c \uc81c\uacf5\ud558\ub294 \uae30\ubcf8 \uc5f4\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \uace0\uc720 \uc2dd\ubcc4\uc790\uac00 \uc790\ub3d9\uc73c\ub85c \ucc44\uc6cc\uc9c0\ubbc0\ub85c \uc218\ub3d9\uc73c\ub85c \uc0bd\uc785\ud558\uc9c0 \uc54a\uace0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5d4\uc9c4\uc774 \uc774\ub97c \ub300\uc2e0\ud558\ub3c4\ub85d \ud5c8\uc6a9\ud569\ub2c8\ub2e4. \uc911\ubcf5 \uac12\uc744 \uc2dd\ubcc4\uc790 \ud589\uc5d0 \uc0bd\uc785\ud560 \uc218 \uc5c6\uc73c\ubbc0\ub85c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uc774\ub97c \ub300\uc2e0 \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud558\ub294 \uac83\uc774 \ub354 \ud6a8\uc728\uc801\uc785\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\ub2e4\uc74c \uc608\uc5d0\uc11c\ub294 \uc774\ub984 \ubc0f \uc131\uc774 \ud574\ub2f9 \uc5f4\uc5d0 \ucc44\uc6cc\uc9c4 \uc2e0\uaddc \uace0\uac1d\uc774 \uace0\uac1d \ud14c\uc774\ube14\uc5d0 \ucd94\uac00\ub429\ub2c8\ub2e4. \uc5f4\uc740 \uac01 \uc5f4\uc5d0 \ucd94\uac00\ud560 \uac12\uacfc \ud568\uaed8 \uc815\uc758\ub429\ub2c8\ub2e4.<\/span><br><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-abb8fe2b1ae9c1ec40ad4503562281e3\" id=\"h-mysql-\uc5c5\ub370\uc774\ud2b8-\uba85\ub839-0\"><strong>MySQL: \uc5c5\ub370\uc774\ud2b8 \uba85\ub839<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\uace0\uac1d\uc5d0\uac8c \uc0bd\uc785\ud558\uae30 (first_name, last_name)\n\n\uac00\uce58(\u2018\uc874\u2019, \u2018\uc2a4\ubbf8\uc2a4\u2019)\nOracle SQL: \uc5c5\ub370\uc774\ud2b8 \uba85\ub839\n\uace0\uac1d\uc5d0\uac8c \uc0bd\uc785\ud558\uae30 (first_name, last_name)\n\n\uac00\uce58(\u2018\uc874\u2019, \u2018\uc2a4\ubbf8\uc2a4\u2019)<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sql\uc5d0\uc11c-upsert\ub97c-\uc0ac\uc6a9\ud558\ub294-\ubc29\ubc95-\uc608\uc2dc\">SQL\uc5d0\uc11c UPSERT\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95: \uc608\uc2dc<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">UPSERT \uba85\ub839\uc740 \ud589\uc774 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc0bd\uc785\ud560 \ub54c \uc720\uc6a9\ud569\ub2c8\ub2e4. \uc774\ubbf8 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0, \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc0c8\ub85c\uc6b4 \uc815\ubcf4\ub85c \uae30\ub85d\uc744 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4. Oracle \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5d4\uc9c4\uc5d0\ub294 \ud2b9\uc815 UPSERT \uba85\ub839\uc774 \uc788\uc2b5\ub2c8\ub2e4. MySQL\uc5d0\uc11c \uba85\ub839\uc740 \ub300\uc2e0 REPLACE\ub77c\ub294 \uc6a9\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac1c\ubc1c\uc790\ub294 UPSERT \uba85\ub839\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc911\ubcf5\ub41c \ub808\ucf54\ub4dc, \ud2b9\ud788 \uace0\uc720\ud55c \uc2dd\ubcc4\uc790\uac00 \uc5f0\uacb0\ub418\uc5b4 \uc788\ub294 \ub808\ucf54\ub4dc\ub97c \ubc29\uc9c0\ud558\uba70, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub0b4\uc5ed\uc11c\ub294 \uae30\uc874 \ub808\ucf54\ub4dc\ub85c \uc778\ud574 \ub808\ucf54\ub4dc\ub97c \uc0bd\uc785\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \ud55c \ud14c\uc774\ube14\uc5d0\uc11c \ub2e4\ub978 \ud14c\uc774\ube14\ub85c \ub370\uc774\ud130\ub97c \uac00\uc838\uc62c \ub54c \uc885\uc885 \ubc1c\uc0dd\ud558\uba70, \uc911\ubcf5 \ub808\ucf54\ub4dc\uac00 \uc874\uc7ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc778\uc218\ud55c \ube44\uc988\ub2c8\uc2a4\uc5d0\uc11c \uace0\uac1d \ub808\ucf54\ub4dc \ubaa9\ub85d\uc744 \uc5bb\uace0 \uc77c\ubd80 \uace0\uac1d\uc774 \uc774\ubbf8 \ud604\uc7ac \ube44\uc988\ub2c8\uc2a4 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc788\uc74c\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4. UPSERT \uc120\uc5b8\ubb38\uc740 \uae30\uc874 \uace0\uac1d\ub9cc \uc5c5\ub370\uc774\ud2b8\ud558\uace0 \uae30\uc874 \uace0\uac1d\uc774 \uc5c6\ub294 \uacbd\uc6b0 \uc0c8\ub85c\uc6b4 \uace0\uac1d\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/span><br><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-d41f652581dc3ee0810ad6621b1ff10a\" id=\"h-mysql-\uc5c5\ub370\uc774\ud2b8-\uba85\ub839-1\"><strong>MySQL: \uc5c5\ub370\uc774\ud2b8 \uba85\ub839<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\uace0\uac1d(id, first_name, last_name) \n\n\uac00\uce58 (44, \u2018\uc874\u2019, \u2018\uc2a4\ubbf8\uc2a4\u2019)<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\uc704\uc758 \uc608\uc5d0\uc11c\ub294 \uc2dd\ubcc4\uc790\uac00 44\uc778 \uace0\uac1d\uc774 \uc774\ubbf8 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0 \uc6d0\ubcf8 \ub808\ucf54\ub4dc\uac00 \uc0ad\uc81c\ub418\uace0 \uc2dd\ubcc4\uc790\uac00 44\uc778 \uc0c8 \uace0\uac1d \ub808\ucf54\ub4dc\uac00 \ucd94\uac00\ub429\ub2c8\ub2e4. REPLACE \uba85\ub839\uc740 \uae30\uc220\uc801\uc73c\ub85c \uc5b4\ub5a0\ud55c \ub370\uc774\ud130\ub3c4 \uc5c5\ub370\uc774\ud2b8\ud558\uc9c0 \uc54a\ub294\ub2e4\ub294 \uc810\uc744 \uae30\uc5b5\ud558\ub294 \uac83\uc774 \uc911\uc694\ud569\ub2c8\ub2e4. \ub300\uc2e0 \ud589\uc744 \uc0ad\uc81c\ud558\uace0 \ud14c\uc774\ube14\uc5d0 \ub2e4\uc2dc \ucd94\uac00\ud569\ub2c8\ub2e4.<\/span><br><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-f8dacab4304cd5b66f3a729ad1155e28\" id=\"h-oracle-sql-\uc5c5\ub370\uc774\ud2b8-\uba85\ub839-0\"><strong>Oracle SQL: \uc5c5\ub370\uc774\ud2b8 \uba85\ub839<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">UPSERT \uace0\uac1d(id, first_name, last_name) \n\n\uac00\uce58 (44, \u2018\uc874\u2019, \u2018\uc2a4\ubbf8\uc2a4\u2019)<\/pre><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">Oracle\uc758 \uacbd\uc6b0, UPSERT \uba85\ub839\uc740 \uc0ad\uc81c \ubc0f \uc7ac\ucd94\uac00\uac00 \uc544\ub2cc 44\uc758 \uc2dd\ubcc4\uc790\ub85c \uace0\uac1d\uc744 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4. \ub808\ucf54\ub4dc\uac00 \uc5c6\uc73c\uba74 Oracle \uc5d4\uc9c4\uc774 \ud14c\uc774\ube14\uc5d0 \uace0\uac1d \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-d427021844cfd7d7857da1663a8a305e\"><strong>PostGreSQL: INSERT \uba85\ub839<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">PostGreSQL\uc5d0\ub294 \ud2b9\uc815 UPSERT \ubb38\uc774 \uc5c6\uc9c0\ub9cc \uc11c\ubc84\uac00 \uc0c8 \ub808\ucf54\ub4dc\uac00 \uc5c6\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc0bd\uc785\ud558\ub294 INSERT \uc720\ud615\uc744 \uc9c0\uc6d0\ud569\ub2c8\ub2e4. \uae30\ub85d\uc774 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0, \ud14c\uc774\ube14 \uc81c\uc57d\uc740 \uc624\ub958\ub97c \ubc1c\uc0dd\uc2dc\ud0a4\uace0 INSERT \ubb38\uc774 \uc544\ub2cc \uc5c5\ub370\uc774\ud2b8\ub97c \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. PostGreSQL \uad6c\ubb38\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">\uc81c\ud488\uc5d0 \uc0bd\uc785(ID, \uc774\ub984, \uac00\uaca9, \uc218\ub7c9)\n\n\uac00\uce58 (1, 'WidgetA', 20.99, 90)\n\n\ucda9\ub3cc \uc2dc(id)\n\n\uc5c5\ub370\uc774\ud2b8 \uc124\uc815 \uc2e4\ud589\n\n&nbsp;&nbsp;\uac00\uaca9 = EXCLUD.price, \uc81c\uc678 \uac00\uaca9\n\n&nbsp;&nbsp;\uc218\ub7c9 = EXCLUDED.quantity;<\/pre><\/div>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-3a8848e283358de0de79d9f1ae1860e2\"><strong>SQL Server: MERGE \uba85\ub839<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Microsoft SQL Server\ub294 \ub610\ud55c UPSERT \ubb38\uc744 \uc9c0\uc6d0\ud558\uc9c0 \uc54a\uc9c0\ub9cc, \uac1c\ubc1c\uc790\ub294 MERGE \uba85\ub839\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc720\uc0ac\ud55c \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. MERGE \ubb38\uc740 \uc18c\uc2a4 \ub370\uc774\ud130\uc138\ud2b8\ub97c \uac00\uc838\uc640 \ud14c\uc774\ube14\uacfc \ubcd1\ud569\ud558\uc9c0\ub9cc \ud589\uc774 \uc5c6\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc0c8 \ub808\ucf54\ub4dc\ub97c \uc0bd\uc785\ud569\ub2c8\ub2e4. \ud589\uc774 \uc788\ub294 \uacbd\uc6b0, MERGE \ubb38\uc774 \uae30\ub85d\uc744 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.&nbsp;<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">MERGE \uc81c\ud488 P\n\nP.ID=S.ID new_products_source S \uc0ac\uc6a9\n\n\ub9e4\uce6d \uc2dc\n\n\uc5c5\ub370\uc774\ud2b8 \uc124\uc815 \uac00\uaca9=S.price, \uc774\ub984=S.name, \uc218\ub7c9=S.quantity;<\/pre><\/div>\n\n\n\n<h4 class=\"wp-block-heading has-secondary-color has-text-color has-link-color wp-elements-e61b07962e7cf7cad4ce151064b71b2a\" id=\"h-mongodb-nbsp-\uc5c5\ub370\uc774\ud2b8-\uba85\ub839\"><strong>MongoDB:&nbsp; \uc5c5\ub370\uc774\ud2b8 \uba85\ub839<\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">MongoDB\uc5d0\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 UPSERT \ubb38\uc744 \uc2e4\ud589\ud558\ub3c4\ub85d \uc54c\ub824\uc8fc\ub294 UPDATE \uba85\ub839 \ub9e4\uac1c\ubcc0\uc218\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\ub978 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c MongoDB\ub294 \ub808\ucf54\ub4dc\uac00 \uc5c6\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc0c8 \ub808\ucf54\ub4dc\ub97c \uc0bd\uc785\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uc874\uc7ac\ud558\ub294 \uacbd\uc6b0, \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub808\ucf54\ub4dc\ub97c \uc2e4\ud589\ud558\uace0 \uc5c5\ub370\uc774\ud2b8\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<div class=\"wp-block-urvanov-syntax-highlighter-code-block\"><pre class=\"lang:default decode:true \">db.products.update(\n\n{ title: \"Red Widget\" },\n\n{ $inc: { price: 19.00 } },\n\n{ upsert: true }\n\n)<\/pre><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-\uc5c5\ub370\uc774\ud2b8-vs-\uc0bd\uc785-sql\uc758-\ucc28\uc774\uc810\">\uc5c5\ub370\uc774\ud2b8 vs. \uc0bd\uc785: SQL\uc758 \ucc28\uc774\uc810<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\ub300\ubd80\ubd84\uc758 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \uc5ec\ub7ec \uc5c5\ub370\uc774\ud2b8 \ubc0f \uc0bd\uc785\ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \uae30\ub85d\uc744 \ucd94\uac00\ud574\uc57c \ud560 \ub54c \uc9c4\uc220\ubb38\uc744 \uc0bd\uc785\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ubbf8 \uc800\uc7a5\ub41c \ub370\uc774\ud130\ub97c \ubcc0\uacbd\ud574\uc57c \ud558\ub294 \uacbd\uc6b0, \uc5c5\ub370\uc774\ud2b8 \ub0b4\uc5ed\uc11c\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">INSERT \ubb38\uc5d0\ub294 \ud544\uc694\ud55c \uac12\uc73c\ub85c \ucc44\uc6cc\uc57c \ud558\ub294 \ubaa8\ub4e0 \uc5f4\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc5c5\ub370\uc774\ud2b8 \uc120\uc5b8\ubb38\uc5d0\ub294 WHERE \uc808\uc774 \ud544\uc694\ud558\uc9c0 \uc54a\uc9c0\ub9cc, \uc774\ub97c \uc81c\uc678\ud558\uba74 \ubaa8\ub4e0 \ub808\ucf54\ub4dc\uac00 \uc8fc\uc5b4\uc9c4 \ub370\uc774\ud130\ub85c \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4. \ubaa8\ub4e0 \uae30\ub85d\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\uace0 \uc2f6\uc744 \uac00\ub2a5\uc131\uc740 \ub0ae\uc73c\ubbc0\ub85c WHERE \uc808\uc744 \ud3ec\ud568\uc2dc\ud0a4\uc138\uc694.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">INSERT \ub300\uc2e0 UPDATE\ub97c \uc0ac\uc6a9\ud560 \uc218\ub294 \uc5c6\uc9c0\ub9cc, UPSERT \ubb38\uc740 \uc88b\uc740 \ub300\uc548\uc785\ub2c8\ub2e4. UPSERT \ubb38\uc744 \uc0ac\uc6a9\ud558\uba74 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uc0ac\uc6a9 \uac00\ub2a5\ud55c \ub808\ucf54\ub4dc\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uace0 \ub808\ucf54\ub4dc\uac00 \uc5c6\ub294 \uacbd\uc6b0 \ud14c\uc774\ube14\uc5d0 \uc0bd\uc785\ud569\ub2c8\ub2e4. INSERT\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \uc62c\ubc14\ub974\uac8c \ucd5c\uc801\ud654\ub418\uc5c8\ub2e4\uba74 \uc5c5\ub370\uc774\ud2b8 \uc120\uc5b8\ubcf4\ub2e4 \ube60\ub985\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-upsert-vs-\uc5c5\ub370\uc774\ud2b8-\ubc0f-\uc0bd\uc785-\uc5b4\ub5a4-\uac83\uc774-\ub354-\uc88b\uc744\uae4c\uc694\">UPSERT vs. \uc5c5\ub370\uc774\ud2b8 \ubc0f \uc0bd\uc785: \uc5b4\ub5a4 \uac83\uc774 \ub354 \uc88b\uc744\uae4c\uc694?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\uc0ac\uc6a9\ud558\ub294 \ubb38\uad6c\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 \ub370\uc774\ud130\ub85c \uc218\ud589\ud560 \uc791\uc5c5\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \uc131\ub2a5\uc744 \uc704\ud574 INSERT\ub294 UPSERT\ubcf4\ub2e4 \ub0ab\uc9c0\ub9cc, \ud56d\uc0c1 \uc5c5\ub370\uc774\ud2b8 \ubb38\uad6c \uc0ac\uc6a9\uc744 \ud53c\ud560 \uc218\ub294 \uc5c6\uc73c\uba70, \uae30\ub85d\uc774 \uc544\uc9c1 \uc874\uc7ac\ud558\uc9c0 \uc54a\ub294\uc9c0 \ud655\uc778\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. UPSERT \uc120\uc5b8\ubb38\uc740 \uc800\uc7a5\ub41c \uc808\ucc28\uc5d0\uc11c \ub354 \uae34 IF \uc120\uc5b8\ubb38\uc744 \uc791\uc131\ud558\ub294 \ub300\uc2e0 \uc804\uccb4 \ud504\ub85c\uc138\uc2a4\ub97c \uac04\uc18c\ud654\ud569\ub2c8\ub2e4.<\/span> \ub300\uaddc\ubaa8 \uc5c5\ub370\uc774\ud2b8\uac00 \uc788\uac70\ub098 \uba85\uc138\uc11c\ub97c \uc0bd\uc785\ud558\uc5ec \ub370\uc774\ud130\ub97c \uac00\uc838\uc624\uace0 \uc911\ubcf5\ub418\ub294 \uac83\uc744 \uc6d0\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0, UPSERT \uba85\uc138\uc11c\uac00 \uc131\ub2a5\uc5d0 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4. \uc5c5\ub370\uc774\ud2b8\uc640 \uc0bd\uc785\uc744 \ud55c \ubc88\uc5d0 \uc644\ub8cc\ud558\uba74 \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sql\uc5d0\uc11c-\uc5c5\ub370\uc774\ud2b8\ub97c-\uc0ac\uc6a9\ud574\uc57c-\ud558\ub294-\uacbd\uc6b0\">SQL\uc5d0\uc11c \uc5c5\ub370\uc774\ud2b8\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud14c\uc774\ube14\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ubcc0\uacbd\ud558\ub294 \uc720\uc77c\ud55c \ubc29\ubc95\uc740 \uc5c5\ub370\uc774\ud2b8\ubb38\uc785\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc740 \ub2e4\uc591\ud55c \uc774\uc720\ub85c \ub370\uc774\ud130\ub97c \uc9c0\uc18d\uc801\uc73c\ub85c \ubcc0\uacbd\ud558\uba70 \ubc31\uc5d4\ub4dc\uc5d0 SQL UPDATE \ubb38\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc628\ub77c\uc778\uc5d0\uc11c \uace0\uac1d \ubc88\ud638\uc758 \uc5f0\ub77d\ucc98 \uc815\ubcf4, \uc2e0\uc6a9\uce74\ub4dc \ub370\uc774\ud130 \ub610\ub294 \ubc30\uc1a1 \uc8fc\uc18c\ub97c \ubcc0\uacbd\ud558\uba74 \ubc31\uc5d4\ub4dc \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc2dc\uc2a4\ud15c\uc774 \uc5c5\ub370\uc774\ud2b8 \ub0b4\uc5ed\uc11c\ub97c \uc2e4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\ub370\uc774\ud130\ub97c \ud3b8\uc9d1\ud558\uae30\ub9cc \ud558\uba74 \ub418\uba70 \uc911\ubcf5\uc740 \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\uc744 \ub54c \uc5c5\ub370\uc774\ud2b8 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uac04\ub2e8\ud55c \uc5c5\ub370\uc774\ud2b8 \ubb38\uad6c\ub294 \ub290\ub824\uc9c0\uc9c0 \uc54a\uc9c0\ub9cc, \ud3b8\uc9d1\ud574\uc57c \ud558\ub294 \uc5f4\uacfc \ud589\uc774 \ub9ce\uc744\uc218\ub85d \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc11c\ube44\uc2a4\uac00 \ub290\ub824\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ube44\uc218\uae30 \uc2dc\uac04\uc5d0 \ub300\uaddc\ubaa8 \ubc30\uce58 \uc5c5\ub370\uc774\ud2b8 \ub0b4\uc5ed\uc11c\ub97c \uc218\ud589\ud558\ub294 \uac83\uc774 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sql\uc5d0\uc11c-\uc0bd\uc785\uc744-\uc0ac\uc6a9\ud574\uc57c-\ud558\ub294-\uacbd\uc6b0\">SQL\uc5d0\uc11c \uc0bd\uc785\uc744 \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">\ud14c\uc774\ube14\uc5d0 \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud558\ub824\uba74 INSERT \ubb38\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0 \ub4f1\ub85d\ud558\uac70\ub098 \uc804\uc790\uc0c1\uac70\ub798 \uc2a4\ud1a0\uc5b4\uc5d0\uc11c \uc2e0\uc81c\ud488\uc744 \uc8fc\ubb38\ud560 \ub54c\ub9c8\ub2e4 \ubc31\uc5d4\ub4dc \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 INSERT SQL \ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0 \uc0c8 \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4. \uc0c8 \ub808\ucf54\ub4dc\ub294 \uc5c5\ub370\uc774\ud2b8 \ub0b4\uc5ed\uc11c\ub85c \ub098\uc911\uc5d0 \ubcc0\uacbd\ud560 \uc218 \uc788\uc9c0\ub9cc, INSERT \ub0b4\uc5ed\uc11c\ub85c \ucc98\uc74c \uc0dd\uc131\ub429\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\uc0bd\uc785 \ubb38\uad6c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ube60\ub985\ub2c8\ub2e4. \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud574\uc57c \ud558\ub294 \uacbd\uc6b0 \ubd88\uac00\ud53c\ud569\ub2c8\ub2e4. \uc5c5\ub370\uc774\ud2b8 \ubb38\uad6c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c, \ub300\uaddc\ubaa8 \uc0bd\uc785(\uc608: \uc815\uc801 \ud30c\uc77c\uc5d0\uc11c \ub370\uc774\ud130 \uac00\uc838\uc624\uae30)\uc740 \uc624\ud504\ud53c\ud06c \uc2dc\uac04\ub300\uc5d0 \uc2e4\ud589\ub418\ub294 \uacbd\uc6b0 \ucd5c\uc801\ud654\uac00 \ub354 \uc88b\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac10\uc0ac \ubc0f \ub85c\uae45\uc744 \uc704\ud55c \ub85c\uadf8 \ud30c\uc77c\uc740 \uac04\ub2e8\ud55c INSERT \ubb38\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-sql\uc5d0\uc11c-upsert\ub97c-\uc0ac\uc6a9\ud574\uc57c-\ud558\ub294-\uacbd\uc6b0\">SQL\uc5d0\uc11c UPSERT\ub97c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uacbd\uc6b0<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"font-weight: 400;\">UPSERT \uc120\uc5b8\ubb38\uc740 \uc138 \uac00\uc9c0 \uba85\ub839 \uc911 \uc131\ub2a5\uc774 \uac00\uc7a5 \ub0ae\uc9c0\ub9cc, \ud14c\uc774\ube14\uc5d0 \ucd94\uac00\ud560 \ub808\ucf54\ub4dc\uac00 \uc5ec\ub7ec \uac1c \uc788\uace0 \ubcf5\uc81c\ub97c \uc6d0\ud558\uc9c0 \uc54a\uc744 \ub54c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. <a href=\"https:\/\/www.purestorage.com\/platform.html\" target=\"_blank\" rel=\"noopener\">\ub370\uc774\ud130\ub97c<\/a> \ud14c\uc774\ube14\ub85c \uac00\uc838\uc624\uace0 \uc911\ubcf5 \ub808\ucf54\ub4dc\uac00 \uc788\uc744 \uc218 \uc788\ub2e4\uace0 \uc0dd\uac01\ud558\ub294 \uacbd\uc6b0, \uc911\ubcf5 \ub808\ucf54\ub4dc\ub97c \ucd94\uac00\ud558\ub294 \ub300\uc2e0 UPSERT \ubb38\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud604\uc7ac \ub808\ucf54\ub4dc\ub97c \uc5c5\ub370\uc774\ud2b8\ud558\uc2ed\uc2dc\uc624. \uc608\ub97c \ub4e4\uc5b4, \uc678\ubd80 \ud30c\uc77c\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \ud14c\uc774\ube14\ub85c \uace0\uac1d\uc744 \uac00\uc838\uc640\uc57c \ud558\ub294 \uacbd\uc6b0, INSERT \ubb38\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\ubcf4\ub2e4 UPSERT \ubb38\uc774 \ub354 \uc801\uc808\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">UPSERT \ubb38\uc740 \uc911\ubcf5\ub420 \uc218 \uc788\ub294 \ub300\uc6a9\ub7c9 \uc18c\uc2a4 \ub370\uc774\ud130\uc14b\uc774 \uc788\ub294 \uacbd\uc6b0 \uc77c\ubc18\uc801\uc73c\ub85c \uc720\uc6a9\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc81c\ud488 \ud14c\uc774\ube14\uc744 \ubcf5\uc81c\ud558\uace0 \uc2f6\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc5d0, \ud558\ub098\uc758 INSERT \ubb38\uc744 \uc0ac\uc6a9\ud558\uace0 \ub098\uc911\uc5d0 \ubcf5\uc81c\ubcf8\uc744 \uc81c\uac70\ud558\ub294 \ub300\uc2e0 UPSERT\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. UPSERT\ub294 \ub300\ub7c9\uc758 \ub370\uc774\ud130 \ubc30\uce58\uac00 \uc788\uc744 \ub54c \uc88b\uc9c0\ub9cc, \ubaa8\ub4e0 INSERT \ubb38\uc5d0 \ubd88\ud544\uc694\ud558\uac8c \uc0ac\uc6a9\ub420 \uacbd\uc6b0 \uc9c0\uc5f0 \ubb38\uc81c\ub97c \uc77c\uc73c\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae30\ubcf8 \ud14c\uc774\ube14\ub85c \uc911\ubcf5 \ud56d\ubaa9\uc744 \uac00\uc838\uc62c \uc218 \uc788\ub294 \uacbd\uc6b0\uc5d0\ub9cc UPSERT\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<div class=\"wp-block-group has-global-padding is-layout-constrained wp-block-group-is-layout-constrained\" style=\"border-bottom-color:var(--wp--preset--color--secondary);border-bottom-width:1px\">\n<h2 class=\"wp-block-heading\" id=\"h-faq\">FAQ<\/h2>\n\n\n\n<div class=\"wp-block-kadence-accordion alignnone\"><div class=\"kt-accordion-wrap kt-accordion-id178228_5e81b9-85 kt-accordion-has-8-panes kt-active-pane-0 kt-accordion-block kt-pane-header-alignment-left kt-accodion-icon-style-basic kt-accodion-icon-side-left\" style=\"max-width:none\"><div class=\"kt-accordion-inner-wrap\" data-allow-multiple-open=\"false\" data-start-open=\"0\">\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-1 kt-pane178228_cfcedd-95\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>UPSERT\ub294 \uace0\ub3d9\uc2dc \uc6cc\ud06c\ub85c\ub4dc\uc5d0 \uc548\uc804\ud558\uac8c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">UPSERT\ub294 \ucda9\ub3cc \uac10\uc9c0 \ubc0f \ud574\uacb0\uc774 \ub2e8\uc77c \uc6d0\uc790 \uc791\uc5c5 \ub0b4\uc5d0\uc11c \ucc98\ub9ac\ub418\uae30 \ub54c\ubb38\uc5d0 \ub192\uc740 \ub3d9\uc2dc\uc131 \ud558\uc5d0\uc11c \uc218\ub3d9\uc73c\ub85c \ub864\ub9c1\ud55c \u201c\uc120\ud0dd \ud6c4 \uc0bd\uc785\u201d \ub85c\uc9c1\ubcf4\ub2e4 \uc77c\ubc18\uc801\uc73c\ub85c \uc548\uc804\ud569\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ucda9\ub3cc\uc744 \uc2e0\uc18d\ud558\uac8c \ud574\uacb0\ud558\uace0 \ubd88\ud544\uc694\ud55c \uc7a0\uae08\uc774\ub098 \uacbd\ud569\uc744 \ud53c\ud560 \uc218 \uc788\ub3c4\ub85d \uc62c\ubc14\ub978 \uc778\ub371\uc2a4\uc640 \uace0\uc720\ud55c \uc81c\uc57d\uc774 \uc788\ub294\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-2 kt-pane178228_5713f4-dd\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); white-space: normal;\">INSERT \ub610\ub294 UPSERT\ub97c \uc0ac\uc6a9\ud560 \ub54c \uc911\ubcf5 \ud589\uc744 \uc0dd\uc131\ud558\uc9c0 \uc54a\uc73c\ub824\uba74 \uc5b4\ub5bb\uac8c \ud574\uc57c \ud569\ub2c8\uae4c?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">\uc911\ubcf5\uc744 \ubc29\uc9c0\ud558\ub294 \uac00\uc7a5 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ubc29\ubc95\uc740 \uace0\uc720\ud574\uc57c \ud558\ub294 \uc5f4 \ub610\ub294 \uc5f4 \uc138\ud2b8\uc5d0 \uae30\ubcf8 \ud0a4 \ub610\ub294 \uace0\uc720\ud55c \uc81c\uc57d \uc870\uac74\uc744 \uc815\uc758\ud55c \ub2e4\uc74c, \ud574\ub2f9 \uc81c\uc57d \uc870\uac74\uc5d0 \uc778\uc11c\ud2b8 \ub610\ub294 UPSERT\ub97c \uc4f0\ub294 \uac83\uc785\ub2c8\ub2e4. \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uc5d4\uc9c4\uc740 \uc4f0\uae30 \uc2dc\uac04\uc5d0 \uace0\uc720\uc131\uc744 \uc801\uc6a9\ud558\uba70, \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ucf54\ub4dc\uc758 \uae30\uc874 \ud589\uc744 \uc218\ub3d9\uc73c\ub85c \ud655\uc778\ud558\ub294 \uac83\ubcf4\ub2e4 \ub354 \uc548\uc815\uc801\uc785\ub2c8\ub2e4.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-6 kt-pane178228_499953-c6\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong>\ubcc4\ub3c4\uc758 INSERT \ubc0f UPDATE \ubb38\uad6c \ub300\uc2e0 UPSERT\ub97c \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud558\ub098\uc694?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\">UPSERT\ub294 \uc0ac\uc6a9\uc790 ID \ub610\ub294 \uc8fc\ubb38 ID\uc640 \uac19\uc740 \ud0a4\ub97c \uae30\ubc18\uc73c\ub85c \ub3d9\uc77c\ud55c \ub808\ucf54\ub4dc\ub97c \uc815\uae30\uc801\uc73c\ub85c \uc0dd\uc131\ud558\uac70\ub098 \uc5c5\ub370\uc774\ud2b8\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uc5d0 \uac00\uc7a5 \uc720\uc6a9\ud569\ub2c8\ub2e4. \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ub85c\uc9c1\uc744 \uac04\uc18c\ud654\ud558\uace0, \u201c\uccb4\ud06c \ud6c4 \uc0bd\uc785\u201d \ud328\ud134\uc73c\ub85c \uc778\ud55c \ub808\uc774\uc2a4 \uc870\uac74\uc758 \uac00\ub2a5\uc131\uc744 \uc904\uc774\uba70, \ubcc4\ub3c4\uc758 \uc0bd\uc785 \ubc0f \uc5c5\ub370\uc774\ud2b8 \uba85\uc138\uc11c\ub97c \ubc1c\ud589\ud558\ub294 \uac83\ubcf4\ub2e4 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c\uc758 \uc655\ubcf5 \uc774\ub3d9\uc774 \uc801\uc740 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div><\/div><\/div>\n\n\n\n<div class=\"wp-block-kadence-pane kt-accordion-pane kt-accordion-pane-7 kt-pane178228_c9cd9b-75\"><div class=\"kt-accordion-header-wrap\"><button class=\"kt-blocks-accordion-header kt-acccordion-button-label-show\" type=\"button\"><span class=\"kt-blocks-accordion-title-wrap\"><span class=\"kt-blocks-accordion-title\"><strong style=\"caret-color: rgb(0, 0, 0); color: rgb(0, 0, 0); white-space: normal;\">SQL \uc5c5\ub370\uc774\ud2b8, \uc0bd\uc785 \ubc0f UPSERT\uc758 \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/span><\/span><span class=\"kt-blocks-accordion-icon-trigger\"><\/span><\/button><\/div><div class=\"kt-accordion-panel kt-accordion-panel-hidden\"><div class=\"kt-accordion-panel-inner\">\n<p class=\"wp-block-paragraph\"><code>INSERT<\/code>&nbsp;\ub294 \uc644\uc804\ud788 \uc0c8\ub85c\uc6b4 \ud589\uc744 \ucd94\uac00\ud558\uace0,&nbsp;<code>\uc5c5\ub370\uc774\ud2b8<\/code>&nbsp;\ub294 \uc774\ubbf8 \uc0ac\uc6a9\uc790\uc758 \uae30\uc900\uacfc \uc77c\uce58\ud558\ub294 \uae30\uc874 \ud589\uc744 \ubcc0\uacbd\ud558\uba70,&nbsp;<code>UPSERT<\/code>&nbsp;\ub294 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc744 \ub54c \uc0c8 \ud589\uc744 \uc0bd\uc785\ud558\uac70\ub098 \uc77c\uce58\ud558\ub294 \ud589\uc774 \ubc1c\uacac\ub420 \ub54c \uae30\uc874 \ud589\uc744 \uc5c5\ub370\uc774\ud2b8\ud558\uc5ec \ub450 \uac00\uc9c0 \ub3d9\uc791\uc744 \uacb0\ud569\ud569\ub2c8\ub2e4. \u2018\uc0dd\uc131\u2019, \u2018\uc218\uc815\u2019, \u2018\uc0dd\uc131 \ub610\ub294 \uc218\uc815\u2019\uc758 \uad00\uc810\uc5d0\uc11c \uc0dd\uac01\ud560 \ub54c, \uac01 \ud65c\uc6a9 \uc0ac\ub840\uc5d0 \uc801\ud569\ud55c \ubb38\uc7a5\uc744 \uc120\ud0dd\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<\/div><\/div><\/div>\n<\/div><\/div><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:30%\">\n<div class=\"wp-block-group sticky-content has-mint-green-500-background-color has-background is-layout-flow wp-block-group-is-layout-flow\" style=\"border-radius:20px;padding-top:20px;padding-right:20px;padding-bottom:20px;padding-left:20px\">\n<h2 class=\"wp-block-heading has-text-align-center has-ash-gray-500-color has-text-color has-link-color wp-elements-21d5a4bcaa2507b0549388bd241e480c\" id=\"h-title\" style=\"font-size:px\">\uc720\ub2c8\ud06c\ud55c \ub300\ube44 SQL\uc5d0\uc11c \uace0\uc720\ud568<\/h2>\n\n\n\n<p class=\"has-text-align-center has-ash-gray-500-color has-text-color has-link-color wp-elements-6958327d2ab017e70d6d0da71f0cef8d wp-block-paragraph\" style=\"font-size:clamp(0.875rem, 0.875rem + ((1vw - 0.2rem) * 0.208), 1rem);\">\uc774\uc81c \uc5c5\ub370\uc774\ud2b8, \uc0bd\uc785 \ubc0f UPSERT\ub97c \uc5b8\uc81c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294\uc9c0\uc5d0 \ub300\ud574 \uc0b4\ud3b4\ubcf4\uc558\uc73c\ubbc0\ub85c, \ub2e4\uc74c \ub2e8\uacc4\ub85c \ub118\uc5b4\uac00 \ucffc\ub9ac \uc2dc\uac04\uc5d0 \uc911\ubcf5 \uac12\uc744 \uc81c\uc5b4\ud574\uc57c \ud560 \ub54c\u00a0<code>DISTINCT<\/code>\u00a0\uc640 \u00a0<code>UNIQUE<\/code>\u00a0\uac00 \uc5b4\ub5bb\uac8c \ub2e4\ub978\uc9c0 \uba85\ud655\ud788 \ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-f8bdad00 wp-block-buttons-is-layout-flex\" style=\"margin-top:1em;margin-bottom:1em\">\n<div class=\"wp-block-button is-style-outline button-sticky is-style-outline--2\"><a class=\"wp-block-button__link has-cloud-white-500-color has-basil-green-500-background-color has-text-color has-background has-link-color has-inter-font-family has-custom-font-size wp-element-button\" href=\"https:\/\/blog.everpuredata.com\/purely-educational\/sql-distinct-vs-unique\/\" style=\"border-style:none;border-width:0px;border-radius:4px;padding-top:14px;padding-right:16px;padding-bottom:14px;padding-left:16px;font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.208), 16px);\" target=\"_blank\" rel=\"noreferrer noopener\">Read the Blog<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>\uc774 \ubb38\uc11c\uc5d0\uc11c\ub294 \uc138 \uac00\uc9c0 SQL \uad6c\ubb38\uc744 \uc0b4\ud3b4\ubd05\ub2c8\ub2e4. \uc5c5\ub370\uc774\ud2b8, \uc0bd\uc785 \ubc0f UPSERT. \uc0ac\uc6a9 \ubc29\ubc95 \ubc0f \uc2dc\uae30\uc5d0 \ub300\ud55c \uc608\uc2dc\uac00 \ud3ec\ud568\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n","protected":false},"author":1,"featured_media":179084,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13028],"tags":[15200,13873],"content-position":[],"ppma_author":[14047],"class_list":["post-178228","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-purely-technical","tag-database-ko","tag-sql-de-ko"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast 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