{"id":2172,"date":"2016-02-24T09:37:32","date_gmt":"2016-02-24T09:37:31","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=2172"},"modified":"2019-03-04T01:31:48","modified_gmt":"2019-03-04T09:31:48","slug":"sub-documents-change-only-what-you-need-to","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/ko\/sub-documents-change-only-what-you-need-to\/","title":{"rendered":"\ud558\uc704 \ubb38\uc11c: \ud544\uc694\ud55c \ubb38\uc11c\ub9cc \ucc3e\uc544\uc11c \ubcc0\uacbd\ud558\uae30"},"content":{"rendered":"<p>\ubb38\uc11c \uc800\uc7a5\uc18c\uc640 \ud0a4-\uac12 \uc800\uc7a5\uc18c\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/p>\n<p>\ubb38\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub294 \uc800\uc7a5\ub41c \ub0b4\uc6a9\uc744 \ucffc\ub9ac\ud558\uace0 \uc870\uc791\ud560 \uc218 \uc788\uc9c0\ub9cc, \ud0a4-\uac12 \uc800\uc7a5\uc18c\uc5d0\uc11c\ub294 \uac12\uc774 \ubd88\ud22c\uba85\ud55c \ubbf8\uc2a4\ud130\ub9ac\ub85c \ub0a8\uc544 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84 4.5\uc5d0\uc11c\ub294 \uc0c8\ub85c\uc6b4 \ud558\uc704 \ubb38\uc11c API\ub97c \ub3c4\uc785\ud558\uc5ec \ubb38\uc11c\uc758 \ubcf8\ubb38\uc5d0 \ub300\ud55c \ucffc\ub9ac \ubc0f \ubcc0\uacbd \uc561\uc138\uc2a4\ub97c \uac15\ud654\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud558\uc704 \ubb38\uc11c \uae30\ubcf8 \uc0ac\ud56d<\/h2>\n<p>\uadf8\ub807\ub2e4\uba74 Couchbase\uc758 \uc0c8\ub85c\uc6b4 \ud558\uc704 \ubb38\uc11c \uae30\ub2a5\uc5d0 \ub300\ud55c \uc694\uc57d\uc740 \ubb34\uc5c7\uc77c\uae4c\uc694?<\/p>\n<ul>\n<li>\ubb38\uc11c\uc758 \uc77c\ubd80\ub97c \uac80\uc0c9\ud569\ub2c8\ub2e4.<\/li>\n<li>\ubb38\uc11c\uc758 \uc77c\ubd80\ub97c \ubcc0\uacbd\ud558\uc5ec \ubcc0\uacbd \uc0ac\ud56d\uc744 Couchbase Server\ub85c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/li>\n<li>\uc774\uc81c \ubaa8\ub4e0 \uacf5\uc2dd Couchbase Server SDK\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li>\ubdf0\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ucffc\ub9ac\uc640 N1QL\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ucffc\ub9ac \ubc0f \ubcc0\ud615\uc744 \ubcf4\uc644\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uc790, \uc774\uc81c \uadf8 \uc774\uc720\uc5d0 \ub300\ud574 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc65c \ud558\uc704 \ubb38\uc11c \uc791\uc5c5\uc778\uac00\uc694?<\/h2>\n<p>\ub450 \uc0ac\ub78c \uac04\uc758 \ucc44\ud305 \ub85c\uadf8\ub97c \uc800\uc7a5\ud558\ub294 1MB JSON \ubb38\uc11c\uac00 Couchbase\uc5d0 \uc788\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ucc44\ud305 \ucc38\uac00\uc790\uac00 \uc0c8\ub85c\uc6b4 \ub0b4\uc6a9\uc744 \uc791\uc131\ud560 \ub54c\ub9c8\ub2e4 \ub85c\uadf8 \ubb38\uc11c\uc5d0 \ucd94\uac00\ud558\uace0 \uc2f6\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud558\uc704 \ubb38\uc11c \uc791\uc5c5\uc774 \uc5c6\ub2e4\uba74 \uadf8\ub807\uac8c \ud574\uc57c \ud569\ub2c8\ub2e4:<\/p>\n<ol>\n<li>\uc804\uccb4 \ubb38\uc11c \uac00\uc838\uc624\uae30<\/li>\n<li>\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc5ed\uc9c1\ub82c\ud654<\/li>\n<li>\ub300\ud654\uc758 \uc0c8 \uc904\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/li>\n<li>\ub2e4\uc2dc JSON\uc73c\ub85c \uc9c1\ub82c\ud654<\/li>\n<li>\uc804\uccb4 \ubb38\uc11c\ub97c Couchbase\uc5d0 \ub2e4\uc2dc \uc804\uc1a1\ud558\uc5ec \uc800\uc7a5\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>Couchbase\uc758 Python \ud074\ub77c\uc774\uc5b8\ud2b8\ub97c \uc0ac\uc6a9\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcf4\uc77c \uac83\uc785\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-python\">rv = cb.get('chatlog') # Get the entire document\r\nrv.doc.messages += ['nvm lol'] # Modify the doc locally\r\ncb.replace(rv.key, rv.doc, cas=rv.cas) # Upload entire document again<\/code><\/pre>\n<p>\uaf64 \ub0ad\ube44\uc778 \uac83 \uac19\ub124\uc694. \uc774\uc81c \uc0ac\ub78c\ub4e4\uc774 \uc778\uc2a4\ud134\ud2b8 \uba54\uc2dc\uc9d5 \ub300\ud654\uc5d0\uc11c \ucc44\ud305\ud558\ub294 \uc18d\ub3c4\ub97c \uc0dd\uac01\ud574 \ubcf4\uc138\uc694. \uadf8\ub9ac\uace0 \uc5bc\ub9c8\ub098 \ub9ce\uc740 \ucc44\ud305\uc774 \ub3d9\uc2dc\uc5d0 \uc9c4\ud589\ub420 \uc218 \uc788\ub294\uc9c0 \uc0dd\uac01\ud574 \ubcf4\uc138\uc694.<\/p>\n<p>\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \uc11c\ubc84\ub294 \uadf8 \uc5ed\ud560\uc744 \ucda9\uc2e4\ud788 \uc218\ud589\ud560 \uc218 \uc788\uc9c0\ub9cc \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ubd88\ud544\uc694\ud55c \ubd80\ub2f4\uc744 \uc8fc\uace0 \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uacc4\uce35 \uae30\ub2a5\uc73c\ub85c \uac04\uc8fc\ud560 \uc218 \uc788\ub294 \uac83\uc744 \ucc98\ub9ac\ud558\uae30 \uc704\ud574 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \ucf54\ub4dc\ub97c \uc720\uc9c0 \uad00\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n<p>\ud558\uc704 \ubb38\uc11c \uc791\uc5c5\uc744 \uc0ac\uc6a9\ud558\uba74 \ud6e8\uc52c \ub354 \uc801\uc740 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucc44\ud305 \ub85c\uadf8\uc5d0 \uc0c8 \uc904\uc744 \ucd94\uac00\ud558\ub294 \uac83\uc740 \ud30c\uc774\uc36c\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcf4\uc77c \uac83\uc785\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-python\">import couchbase.subdocument as SD\r\ncb.mutate_in('chatlog', SD.append('messages', 'nvm lol'))<\/code><\/pre>\n<p>\ubcc0\uacbd\ud560 \ubb38\uc11c\uc640 \ubb38\uc11c \ub0b4 \uc704\uce58\ub97c \uc9c0\uc815\ud558\uc5ec \uc0c8 \uc904\uc744 Couchbase Server\ub85c \ubcf4\ub0c5\ub2c8\ub2e4.<\/p>\n<p>\uc774\ub807\uac8c \ud558\uba74 \uc655\ubcf5 \uc791\uc5c5\uc744 \ud53c\ud558\uace0, \ubcc0\uacbd\ub41c \ub0b4\uc6a9\ub9cc \uc804\uc1a1\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \ub300\uc5ed\ud3ed\uc744 \uc808\uc57d\ud558\uba70, \ubb38\uc11c \uc5c5\ub370\uc774\ud2b8 \ucc45\uc784\uc744 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub370\uc774\ud130\ubca0\uc774\uc2a4 \uacc4\uce35\uc73c\ub85c \uc62e\uae38 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\ud558\uc704 \ubb38\uc11c \uc791\uc5c5\uc758 \uc791\ub3d9 \ubc29\uc2dd<\/h2>\n<p>Couchbase SDK\ub294 \uc138 \uac00\uc9c0 API\ub97c \uc0ac\uc6a9\ud558\uc5ec Couchbase Server\uc640 \ud568\uaed8 \uc791\ub3d9\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ud0a4-\uac12, \uba64\uce90\uc2dc\ub4dc \ubc14\uc774\ub108\ub9ac \ud504\ub85c\ud1a0\ucf5c \uc0ac\uc6a9<\/li>\n<li>\ubcf4\uae30, CouchDB REST \ud504\ub85c\ud1a0\ucf5c \uc0ac\uc6a9<\/li>\n<li>N1QL\uc758 REST \ud504\ub85c\ud1a0\ucf5c\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>SDK\ub294 \uc138\ubd80 \uc0ac\ud56d\uc744 \ucd94\uc0c1\ud654\ud558\uc9c0\ub9cc Couchbase Server\ub85c \uc791\uc5c5\ud55c \uc801\uc774 \uc788\ub2e4\uba74 \uc5b4\ub5a4 \uc720\ud615\uc758 \uc0c1\ud638 \uc791\uc6a9\uc744 \ud558\uace0 \uc788\ub294\uc9c0 \uc54c\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\ud558\uc704 \ubb38\uc11c \uc791\uc5c5\uc740 \ud0a4-\uac12 \uc5f0\uc0b0\uc744 \ucc98\ub9ac\ud558\ub294 \uba64\uce90\uc2dc\ub4dc \ud504\ub85c\ud1a0\ucf5c\uc758 \ud655\uc7a5\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc774\ub8e8\uc5b4\uc9d1\ub2c8\ub2e4.<\/p>\n<h3>\ud558\uc704 \ubb38\uc11c \ucc3e\uae30<\/h3>\n<p>\ud558\uc704 \ubb38\uc11c \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub824\uba74 \ub450 \uac00\uc9c0\uac00 \ud544\uc694\ud569\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ubb38\uc11c \ud0a4<\/li>\n<li>\uc0c1\uc704 \ubb38\uc11c \ub0b4 \ud558\uc704 \ubb38\uc11c\uc758 \uacbd\ub85c\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p>\uacbd\ub85c\ub780 \ubb34\uc5c7\uc744 \uc758\ubbf8\ud558\ub098\uc694?<\/p>\n<p>\uacbd\ub85c\ub294 \ubb38\uc11c \ub0b4\uc5d0\uc11c \uc791\uc5c5\uc744 \uc218\ud589\ud558\ub824\ub294 \uc704\uce58\ub85c, N1QL\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \uac83\uacfc \ub3d9\uc77c\ud55c \ud45c\uae30\ubc95\uc785\ub2c8\ub2e4.<\/p>\n<p>\uac04\ub2e8\ud55c \uc628\ub77c\uc778 \uc2a4\ud1a0\uc5b4\uc758 \uace0\uac1d \ud504\ub85c\ud544\ub85c \uc791\uc5c5\ud55c\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ub2e4\uc74c\uc740 \ud504\ub85c\ud544 \ubb38\uc11c\uc758 \uc608\uc2dc\uc785\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-JSON\">{\r\n  \"name\": \"Douglas Reynholm\",\r\n  \"email\": \"douglas@reynholmindustries.com\",\r\n  \"addresses\": {\r\n    \"billing\": {\r\n      \"line1\": \"123 Any Street\",\r\n      \"line2\": \"Anytown \",\r\n      \"country\": \"United Kingdom\"\r\n    },\r\n    \"delivery\": {\r\n      \"line1\": \"123 Any Street\",\r\n      \"line2\": \"Anytown \",\r\n      \"country\": \"United Kingdom\"\r\n    }\r\n  },\r\n  \"purchases\": {\r\n    \"complete\": [\r\n      339, 976, 442, 666\r\n    ],\r\n    \"abandoned\": [\r\n      157, 42, 999\r\n    ]\r\n  }\r\n<\/code><\/pre>\n<p>\uace0\uac1d\uc758 \ubc30\uc1a1 \uc8fc\uc18c\uc5d0 \uc788\ub294 \uad6d\uac00 \ud544\ub4dc\uc758 \uacbd\ub85c\uac00 \ub429\ub2c8\ub2e4:<\/p>\n<pre><code>addresses.delivery.country\r\n<\/code><\/pre>\n<p>\ub9c8\ucc2c\uac00\uc9c0\ub85c \uad6c\ub9e4 \ub0b4\uc5ed\uc774 \uc2e0\uaddc \uad6c\ub9e4\ubd80\ud130 \uc774\uc804 \uad6c\ub9e4\uae4c\uc9c0 \ub098\uc5f4\ub41c \uacbd\uc6b0 \uace0\uac1d\uc758 \ub450 \ubc88\uc9f8\ub85c \ucd5c\uadfc \uad6c\ub9e4\uc758 ID\ub97c \ucc3e\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code>purchases.complete[1]\r\n<\/code><\/pre>\n<p>\ub530\ub77c\uc11c \ud558\uc704 \ubb38\uc11c\ub294 \uc6b0\ub9ac\uac00 \uc81c\uacf5\ud55c \uacbd\ub85c\uc5d0\uc11c \ubb38\uc11c\uc758 \uc5b4\ub290 \ubd80\ubd84\uc774\ub4e0 \ucc3e\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac70\ub300\ud55c \uac1d\uccb4\uc77c \uc218\ub3c4 \uc788\uace0 \ubc30\uc5f4\uc758 \ub2e8\uc77c \uc778\ub371\uc2a4\uc77c \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h3>\ud558\uc704 \ubb38\uc11c \uc791\uc5c5 \uc0ac\uc6a9<\/h3>\n<p>\ubc84\ud0b7 \uc218\uc900\uc5d0\uc11c\ub294 \uc815\ub9d0 \uac04\ub2e8\ud569\ub2c8\ub2e4. \ub450 \uac00\uc9c0 \uc0c8\ub85c\uc6b4 \ubc29\ubc95\ub9cc \uc788\uc73c\uba74 \ub429\ub2c8\ub2e4:<\/p>\n<ul>\n<li>\ub8e9\uc5c5\uc778(\ud0a4)<\/li>\n<li>mutateIn(\ud0a4).<\/li>\n<\/ul>\n<p>Java SDK\uc5d0\uc11c\ub294 \ube4c\ub354 \ud328\ud134\uc744 \uc0ac\uc6a9\ud558\uc5ec \uad6c\ud604\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc774 \ub450 \ubc84\ud0b7 \uba54\uc11c\ub4dc\ub294 \ud2b9\uc815 \ubb38\uc11c\uc5d0 \uc5f0\uacb0\ub41c \uac1d\uccb4\ub97c \uc0dd\uc131\ud558\uc5ec \ud558\uc704 \ubb38\uc11c\ub97c \ucffc\ub9ac\ud558\uac70\ub098 \ubcc0\uacbd\ud558\ub294 \uc2e4\uc81c \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4.<\/p>\n<p>Java\ub85c \uace0\uac1d\uc758 \ubc30\uc1a1 \uc8fc\uc18c\ub97c \ucc3e\ub294 \uc608\uc81c\ub97c \uc0b4\ud3b4\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-java\">LookupInBuilder builder = couchbase.bucket().lookupIn('customer123');\r\n<\/code><\/pre>\n<p>\uba3c\uc800 \uace0\uac1d\uc758 \ubb38\uc11c\ub85c \ud504\ub77c\uc774\ubc0d\ub41c \ube4c\ub354 \uac1d\uccb4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4. \uadf8\ub7f0 \ub2e4\uc74c \ud574\ub2f9 \ube4c\ub354 \ubb38\uc11c\uc5d0\uc11c \ud558\uc704 \ubb38\uc11c \uc791\uc5c5\uc744 \uc218\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<pre><code class=\"language-java\">builder = builder.get(\"addresses.delivery\");\r\nDocumentFragment results = builder.doLookup();\r\n<\/code><\/pre>\n<p>\uc774 \uae00\uc758 \uc55e\ubd80\ubd84\uc5d0 \uc788\ub294 \uc0d8\ud50c JSON \ubb38\uc11c\ub97c \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0, <em>\uacb0\uacfc<\/em> \uac00 \ub420 \uac83\uc785\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-JSON\">{\r\n  \"line1\": \"123 Any Street\",\r\n  \"line2\": \"Anytown \",\r\n  \"country\": \"United Kingdom\"\r\n}\r\n<\/code><\/pre>\n<p>\uc774 \ucffc\ub9ac\ub294 \ubaa8\ub4e0 \uac83\uc744 \ud558\ub098\ub85c \uc5f0\uacb0\ud558\uc5ec \ub2e8\uc21c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-java\">DocumentFragment results = couchbase.bucket().lookupIn('customer123')\r\n  .get(\"addresses.delivery\")\r\n  .doLookup();\r\n<\/code><\/pre>\n<p>\ub354 \ubcf5\uc7a1\ud55c \ucffc\ub9ac\uc640 \ubcc0\ud615\uc744 \uad6c\ucd95\ud560 \ub54c \ub9ce\uc740 \uc5f0\uc0b0\uc744 \ud568\uaed8 \uc5f0\uacb0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. Java SDK\uc5d0\uc11c, <em>doLookup<\/em> \ub294 \ucffc\ub9ac\uc758 \ub05d\uc744 \ub098\ud0c0\ub0b4\uba70 \uc2e4\ud589\uc744 \uc704\ud574 \ucffc\ub9ac\ub97c \uc804\uc1a1\ud569\ub2c8\ub2e4.<\/p>\n<p>\uc55e\uc11c \uc778\uc2a4\ud134\ud2b8 \uba54\uc2dc\uc9d5 \uc608\uc81c\uc5d0\uc11c \uc0b4\ud3b4\ubcf8 \uac83\ucc98\ub7fc \ud558\uc704 \ubb38\uc11c API\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubb38\uc11c\ub97c \uc218\uc815\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p>\uace0\uac1d \uccad\uad6c \uc8fc\uc18c\uc758 \uc77c\ubd80\ub97c \ubcc0\uacbd\ud558\uace0 \uc2f6\ub2e4\uace0 \uac00\uc815\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. Python\uc5d0\uc11c\ub294 \ud558\uc704 \ubb38\uc11c API\ub97c \uc0ac\uc6a9\ud558\uc5ec \ub2e4\uc74c\uacfc \uac19\uc774 \ubcc0\uacbd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4:<\/p>\n<pre><code class=\"language-python\">import couchbase.subdocument as SD\r\ncb.mutate_in('customer123',\r\n             SD.upsert('billing.line1', '123 Main St'),\r\n             SD.upsert('billing.line2', 'Somewhere'))\r\n<\/code><\/pre>\n<p>Java\uc5d0\uc11c\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c \uba3c\uc800 \ud0a4\ub85c \ubb38\uc11c\ub97c \uc120\ud0dd\ud55c \ub2e4\uc74c \uadf8 \ub0b4\uc6a9\uc5d0 \ub300\ud574 \uc77c\ub828\uc758 \uc5f0\uc0b0\uc744 \uc218\ud589\ud569\ub2c8\ub2e4.<\/p>\n<h2>\ub2e4\uc74c \ub2e8\uacc4<\/h2>\n<p>\uc6d0\ud558\ub294 \uc5b8\uc5b4\ub85c \ud558\uc704 \ubb38\uc11c API\ub97c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc5d0 \ub300\ud55c \uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \uc5c5\ub370\uc774\ud2b8\ub41c SDK \uc124\uba85\uc11c\ub97c \ucc38\uc870\ud558\uc138\uc694.<\/p>\n<p>\uace7 \uac8c\uc2dc\ub420 \ub9c8\ud06c\uc758 \uae00\uc5d0\uc11c \ud558\uc704 \ubb38\uc11c API \uc0ac\uc6a9\uc5d0 \ub300\ud574 \uc790\uc138\ud788 \uc124\uba85\ud558\ub294 \uae00\ub3c4 \uc77d\uc5b4\ubcf4\uc2e4 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"<p>What separates a document store from a key-value store? A document database can query and manipulate the contents of what it stores, whereas the value remains an opaque mystery to the key-value store. With Couchbase Server 4.5, we\u2019ve introduced our [&hellip;]<\/p>","protected":false},"author":18,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1812],"tags":[],"ppma_author":[8982],"class_list":["post-2172","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-n1ql-query"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.7.1 (Yoast SEO v25.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Sub-documents: find and change only what you need - The Couchbase Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/ko\/sub-documents-change-only-what-you-need-to\/\" \/>\n<meta property=\"og:locale\" content=\"ko_KR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sub-documents: find and change only what you need\" \/>\n<meta property=\"og:description\" content=\"What separates a document store from a key-value store? A document database can query and manipulate the contents of what it stores, whereas the value remains an opaque mystery to the key-value store. With Couchbase Server 4.5, we\u2019ve introduced our [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/ko\/sub-documents-change-only-what-you-need-to\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2016-02-24T09:37:31+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2019-03-04T09:31:48+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2022\/11\/couchbase-nosql-dbaas.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1800\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5\ubd84\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/\"},\"author\":{\"name\":\"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/6c3060a94353df62a71d4672b3454555\"},\"headline\":\"Sub-documents: find and change only what you need\",\"datePublished\":\"2016-02-24T09:37:31+00:00\",\"dateModified\":\"2019-03-04T09:31:48+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/\"},\"wordCount\":842,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"articleSection\":[\"SQL++ \/ N1QL Query\"],\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/\",\"url\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/\",\"name\":\"Sub-documents: find and change only what you need - The Couchbase Blog\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"datePublished\":\"2016-02-24T09:37:31+00:00\",\"dateModified\":\"2019-03-04T09:31:48+00:00\",\"breadcrumb\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#breadcrumb\"},\"inLanguage\":\"ko-KR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage\",\"url\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"contentUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"width\":1800,\"height\":630},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.couchbase.com\/blog\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Sub-documents: find and change only what you need\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#website\",\"url\":\"https:\/\/www.couchbase.com\/blog\/\",\"name\":\"The Couchbase Blog\",\"description\":\"Couchbase, the NoSQL Database\",\"publisher\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.couchbase.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"ko-KR\"},{\"@type\":\"Organization\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\",\"name\":\"The Couchbase Blog\",\"url\":\"https:\/\/www.couchbase.com\/blog\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/\",\"url\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png\",\"contentUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png\",\"width\":218,\"height\":34,\"caption\":\"The Couchbase Blog\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/\"}},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/6c3060a94353df62a71d4672b3454555\",\"name\":\"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"ko-KR\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/image\/b1bc555cd9166b46d6063003c3b92317\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/3b38ea45b78371f0008a765ea828bfed91aa97c25981ebf214226402a510b39b?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/3b38ea45b78371f0008a765ea828bfed91aa97c25981ebf214226402a510b39b?s=96&d=mm&r=g\",\"caption\":\"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase\"},\"description\":\"Matthew Revell is a Lead Dev Advocate, EMEA Couchbase. He developed a global strategy for putting Couchbase front in the minds of the product's developers.\",\"url\":\"https:\/\/www.couchbase.com\/blog\/ko\/author\/matthew-revell\/\"}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"Sub-documents: find and change only what you need - The Couchbase Blog","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.couchbase.com\/blog\/ko\/sub-documents-change-only-what-you-need-to\/","og_locale":"ko_KR","og_type":"article","og_title":"Sub-documents: find and change only what you need","og_description":"What separates a document store from a key-value store? A document database can query and manipulate the contents of what it stores, whereas the value remains an opaque mystery to the key-value store. With Couchbase Server 4.5, we\u2019ve introduced our [&hellip;]","og_url":"https:\/\/www.couchbase.com\/blog\/ko\/sub-documents-change-only-what-you-need-to\/","og_site_name":"The Couchbase Blog","article_published_time":"2016-02-24T09:37:31+00:00","article_modified_time":"2019-03-04T09:31:48+00:00","og_image":[{"width":1800,"height":630,"url":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2022\/11\/couchbase-nosql-dbaas.png","type":"image\/png"}],"author":"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase","Est. reading time":"5\ubd84"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#article","isPartOf":{"@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/"},"author":{"name":"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/6c3060a94353df62a71d4672b3454555"},"headline":"Sub-documents: find and change only what you need","datePublished":"2016-02-24T09:37:31+00:00","dateModified":"2019-03-04T09:31:48+00:00","mainEntityOfPage":{"@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/"},"wordCount":842,"commentCount":0,"publisher":{"@id":"https:\/\/www.couchbase.com\/blog\/#organization"},"image":{"@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage"},"thumbnailUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","articleSection":["SQL++ \/ N1QL Query"],"inLanguage":"ko-KR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/","url":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/","name":"Sub-documents: find and change only what you need - The Couchbase Blog","isPartOf":{"@id":"https:\/\/www.couchbase.com\/blog\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage"},"image":{"@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage"},"thumbnailUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","datePublished":"2016-02-24T09:37:31+00:00","dateModified":"2019-03-04T09:31:48+00:00","breadcrumb":{"@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#breadcrumb"},"inLanguage":"ko-KR","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/"]}]},{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#primaryimage","url":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","contentUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png","width":1800,"height":630},{"@type":"BreadcrumbList","@id":"https:\/\/www.couchbase.com\/blog\/sub-documents-change-only-what-you-need-to\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.couchbase.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Sub-documents: find and change only what you need"}]},{"@type":"WebSite","@id":"https:\/\/www.couchbase.com\/blog\/#website","url":"https:\/\/www.couchbase.com\/blog\/","name":"\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ube14\ub85c\uadf8","description":"NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4, Couchbase","publisher":{"@id":"https:\/\/www.couchbase.com\/blog\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.couchbase.com\/blog\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"ko-KR"},{"@type":"Organization","@id":"https:\/\/www.couchbase.com\/blog\/#organization","name":"\uce74\uc6b0\uce58\ubca0\uc774\uc2a4 \ube14\ub85c\uadf8","url":"https:\/\/www.couchbase.com\/blog\/","logo":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/","url":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png","contentUrl":"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/2023\/04\/admin-logo.png","width":218,"height":34,"caption":"The Couchbase Blog"},"image":{"@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/logo\/image\/"}},{"@type":"Person","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/6c3060a94353df62a71d4672b3454555","name":"Matthew Revell, \uc218\uc11d \uac1c\ubc1c\uc790 \uc639\ud638\uc790, EMEA \uc9c0\uc5ed, Couchbase","image":{"@type":"ImageObject","inLanguage":"ko-KR","@id":"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/image\/b1bc555cd9166b46d6063003c3b92317","url":"https:\/\/secure.gravatar.com\/avatar\/3b38ea45b78371f0008a765ea828bfed91aa97c25981ebf214226402a510b39b?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/3b38ea45b78371f0008a765ea828bfed91aa97c25981ebf214226402a510b39b?s=96&d=mm&r=g","caption":"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase"},"description":"\ub9e4\ud29c \ub808\ubca8\uc740 EMEA \uce74\uc6b0\uce58\ubca0\uc774\uc2a4\uc758 \uc218\uc11d \uac1c\ubc1c\uc790 \uc639\ud638\uc790\uc785\ub2c8\ub2e4. \uadf8\ub294 \uc81c\ud488 \uac1c\ubc1c\uc790\ub4e4\uc758 \ub9c8\uc74c\uc18d\uc5d0 Couchbase\ub97c \uac01\uc778\uc2dc\ud0a4\uae30 \uc704\ud55c \uae00\ub85c\ubc8c \uc804\ub7b5\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4.","url":"https:\/\/www.couchbase.com\/blog\/ko\/author\/matthew-revell\/"}]}},"authors":[{"term_id":8982,"user_id":18,"is_guest":0,"slug":"matthew-revell","display_name":"Matthew Revell, Lead Developer Advocate, EMEA, Couchbase","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/3b38ea45b78371f0008a765ea828bfed91aa97c25981ebf214226402a510b39b?s=96&d=mm&r=g","first_name":"Matthew","last_name":"Revell","user_url":"","author_category":"","description":"\ub9e4\ud29c \ub808\ubca8\uc740 EMEA \uce74\uc6b0\uce58\ubca0\uc774\uc2a4\uc758 \uc218\uc11d \uac1c\ubc1c\uc790 \uc639\ud638\uc790\uc785\ub2c8\ub2e4. \uadf8\ub294 \uc81c\ud488 \uac1c\ubc1c\uc790\ub4e4\uc758 \ub9c8\uc74c\uc18d\uc5d0 Couchbase\ub97c \uac01\uc778\uc2dc\ud0a4\uae30 \uc704\ud55c \uae00\ub85c\ubc8c \uc804\ub7b5\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4."}],"_links":{"self":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/posts\/2172","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/users\/18"}],"replies":[{"embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/comments?post=2172"}],"version-history":[{"count":0,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/posts\/2172\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/media\/13873"}],"wp:attachment":[{"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/media?parent=2172"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/categories?post=2172"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/tags?post=2172"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.couchbase.com\/blog\/ko\/wp-json\/wp\/v2\/ppma_author?post=2172"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}