{"id":1677,"date":"2026-04-24T22:02:56","date_gmt":"2026-04-24T22:02:56","guid":{"rendered":"https:\/\/wayhope.kro.kr\/?p=1677"},"modified":"2026-08-31T07:32:40","modified_gmt":"2026-08-31T07:32:40","slug":"mongodb-%ed%95%b5%ec%8b%ac-%ec%a0%95%eb%a6%ac","status":"publish","type":"post","link":"https:\/\/wayhope.kro.kr\/?p=1677","title":{"rendered":"MongoDB \ud575\uc2ec \uc815\ub9ac"},"content":{"rendered":"\n

MongoDB \ud575\uc2ec \uc815\ub9ac<\/h1>\n\n\n\n

MongoDB\ub294 \ub300\ud45c\uc801\uc778 NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub2e4. \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ucc98\ub7fc \ud14c\uc774\ube14\uacfc \ud589\uc744 \uc911\uc2ec\uc73c\ub85c \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud558\ub294 \ub300\uc2e0 Document\uc640 Collection<\/strong>\uc744 \uc911\uc2ec\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud55c\ub2e4.<\/p>\n\n\n\n

\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub370\uc774\ud130\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uad00\ub9ac\ud55c\ub2e4\uba74,<\/p>\n\n\n\n

Database -> Table -> Row\n<\/code><\/pre>\n\n\n\n
MongoDB\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
Database -> Collection -> Document\n<\/code><\/pre>\n\n\n\n
Document\ub294 BSON(Binary JSON) \ud615\ud0dc\ub85c \uc800\uc7a5\ub418\uba70 JSON\uacfc \ube44\uc2b7\ud55c \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\ub2e4.<\/p>\n\n\n\n
{\n  \"name\": \"Joo\",\n  \"level\": 30,\n  \"items\": [\n    \"sword\",\n    \"potion\"\n  ]\n}\n<\/code><\/pre>\n\n\n\n
MongoDB\ub97c \uc774\ud574\ud560 \ub54c \uc911\uc694\ud55c \ubd80\ubd84\uc740 \ub2e8\uc21c\ud788 “NoSQL\uc774\ub77c\uc11c \uc2a4\ud0a4\ub9c8\uac00 \uc5c6\ub2e4”\ub294 \uac83\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\ub370\uc774\ud130\ub97c \uc5b4\ub5bb\uac8c Document \ub2e8\uc704\ub85c \ubaa8\ub378\ub9c1\ud558\uace0, \uc5b4\ub5a4 \uae30\uc900\uc73c\ub85c \ub370\uc774\ud130\ub97c \ud3ec\ud568\ud558\uac70\ub098 \ubd84\ub9ac\ud560 \uac83\uc778\uc9c0<\/strong>\uac00 MongoDB \uc124\uacc4\uc5d0\uc11c \uc911\uc694\ud558\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Document\uc640 Collection<\/h2>\n\n\n\n
MongoDB\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \uae30\ubcf8 \ub2e8\uc704\ub294 Document\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \uac8c\uc784 \uce90\ub9ad\ud130 \uc815\ubcf4\ub97c \uc800\uc7a5\ud55c\ub2e4\uba74:<\/p>\n\n\n\n
{\n  \"_id\": \"player-100\",\n  \"name\": \"Joo\",\n  \"level\": 30,\n  \"class\": \"Knight\"\n}\n<\/code><\/pre>\n\n\n\n
\uc5ec\ub7ec Document\ub294 \ud558\ub098\uc758 Collection\uc5d0 \uc800\uc7a5\ub41c\ub2e4.<\/p>\n\n\n\n
Collection -> Document -> Document -> Document\n<\/code><\/pre>\n\n\n\n
\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc758 Table\uacfc \ube44\uc2b7\ud55c \uc5ed\ud560\uc744 \ud558\uc9c0\ub9cc \uad6c\uc870\uc801\uc73c\ub85c\ub294 \ucc28\uc774\uac00 \uc788\ub2e4.<\/p>\n\n\n\n
\ud558\ub098\uc758 Collection\uc5d0 \uc788\ub294 Document\uac00 \ubc18\ub4dc\uc2dc \uc644\uc804\ud788 \ub3d9\uc77c\ud55c \ud544\ub4dc\ub97c \uac00\uc838\uc57c \ud558\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
{\n  \"name\": \"Joo\",\n  \"level\": 30\n}\n<\/code><\/pre>\n\n\n\n
{\n  \"name\": \"Kim\",\n  \"level\": 20,\n  \"guild\": \"Knights\"\n}\n<\/code><\/pre>\n\n\n\n
\uc774\ub7f0 \uad6c\uc870\uac00 \uac00\ub2a5\ud558\ub2e4.<\/p>\n\n\n\n
\ub2e4\ub9cc \uc774\uac83\uc774 \uc544\ubb34\ub7f0 \uaddc\uce59 \uc5c6\uc774 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud574\ub3c4 \ub41c\ub2e4\ub294 \uc758\ubbf8\ub294 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
MongoDB\uc758 \uc720\uc5f0\ud55c \uad6c\uc870\uc640 \ubcc4\uac1c\ub85c \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \uc0ac\uc6a9\ud560 \ub370\uc774\ud130 \ud615\ud0dc\ub294 \uc77c\uad00\ub418\uac8c \uad00\ub9ac\ud558\ub294 \uac83\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
BSON<\/h2>\n\n\n\n
MongoDB\ub294 JSON\uacfc \ube44\uc2b7\ud55c \ud615\ud0dc\ub85c \ub370\uc774\ud130\ub97c \ub2e4\ub8e8\uc9c0\ub9cc \uc2e4\uc81c \uc800\uc7a5 \ud615\uc2dd\uc740 BSON\uc774\ub2e4.<\/p>\n\n\n\n
BSON\uc740 Binary JSON\uc744 \uc758\ubbf8\ud558\uba70 JSON\ubcf4\ub2e4 \ub2e4\uc591\ud55c \ub370\uc774\ud130 \ud0c0\uc785\uc744 \uc9c0\uc6d0\ud55c\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \ub0a0\uc9dc\ub098 ObjectId \uac19\uc740 \ud0c0\uc785\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
{\n  \"_id\": ObjectId(\"...\"),\n  \"createdAt\": ISODate(\"2026-08-26T00:00:00Z\")\n}\n<\/code><\/pre>\n\n\n\n
MongoDB\uc5d0\uc11c _id<\/code>\ub294 Document\ub97c \uc2dd\ubcc4\ud558\uae30 \uc704\ud55c \ud544\ub4dc\ub2e4.<\/p>\n\n\n\n
\ubcc4\ub3c4\ub85c \uc9c0\uc815\ud558\uc9c0 \uc54a\uc73c\uba74 MongoDB\uac00 \uae30\ubcf8\uc801\uc73c\ub85c _id<\/code>\ub97c \uc0dd\uc131\ud558\uba70 \uc77c\ubc18\uc801\uc73c\ub85c ObjectId\uac00 \uc0ac\uc6a9\ub41c\ub2e4.<\/p>\n\n\n\n
\ub370\uc774\ud130\uc758 \uc2dd\ubcc4 \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Document -> _id -> Unique Identifier\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
CRUD<\/h2>\n\n\n\n
MongoDB\uc758 \uae30\ubcf8\uc801\uc778 \ub370\uc774\ud130 \ucc98\ub9ac\ub294 CRUD\ub85c \ub098\ub20c \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Create -> Read -> Update -> Delete\n<\/code><\/pre>\n\n\n\n
Document\ub97c \ucd94\uac00\ud558\ub824\uba74:<\/p>\n\n\n\n
db.users.insertOne({\n    name: \"Joo\",\n    level: 30\n});\n<\/code><\/pre>\n\n\n\n
\uc870\ud68c:<\/p>\n\n\n\n
db.users.find({\n    level: 30\n});\n<\/code><\/pre>\n\n\n\n
\uc218\uc815:<\/p>\n\n\n\n
db.users.updateOne(\n    { name: \"Joo\" },\n    { $set: { level: 31 } }\n);\n<\/code><\/pre>\n\n\n\n
\uc0ad\uc81c:<\/p>\n\n\n\n
db.users.deleteOne({\n    name: \"Joo\"\n});\n<\/code><\/pre>\n\n\n\n
MongoDB\uc758 Query\ub294 JSON\uacfc \ube44\uc2b7\ud55c \ud615\ud0dc\ub85c \uc870\uac74\uc744 \ud45c\ud604\ud55c\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n
db.users.find({\n    level: { $gte: 30 }\n});\n<\/code><\/pre>\n\n\n\n
\uc740 level<\/code>\uc774 30 \uc774\uc0c1\uc778 Document\ub97c \ucc3e\ub294\ub2e4.<\/p>\n\n\n\n
\uae30\ubcf8\uc801\uc778 \ub370\uc774\ud130 \ucc98\ub9ac \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Application -> MongoDB Query -> Collection -> Document -> Result\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
MongoDB\uc5d0\uc11c Schema\ub97c \uc5b4\ub5bb\uac8c \ubcf4\ub294\uac00<\/h2>\n\n\n\n
MongoDB\ub294 \ud754\ud788 “Schema-less Database”\ub77c\uace0 \uc124\uba85\ud55c\ub2e4.<\/p>\n\n\n\n
\ud558\uc9c0\ub9cc \uc2e4\ubb34\uc5d0\uc11c Schema\uac00 \ud544\uc694 \uc5c6\ub2e4\ub294 \uc758\ubbf8\ub85c \ubc1b\uc544\ub4e4\uc774\uba74 \uace4\ub780\ud558\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ub2e4\uc74c \ub370\uc774\ud130\ub97c \uae30\ub300\ud55c\ub2e4\uace0 \ud558\uc790.<\/p>\n\n\n\n
{\n  \"name\": \"Joo\",\n  \"level\": 30,\n  \"class\": \"Knight\"\n}\n<\/code><\/pre>\n\n\n\n
\uadf8\ub7f0\ub370 \uac19\uc740 Collection\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc740 \ub370\uc774\ud130\uac00 \uacc4\uc18d \ub4e4\uc5b4\uc624\uba74:<\/p>\n\n\n\n
{\n  \"username\": \"Kim\",\n  \"lv\": 20\n}\n<\/code><\/pre>\n\n\n\n
\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud558\uae30\uac00 \uc624\ud788\ub824 \uc5b4\ub824\uc6cc\uc9c4\ub2e4.<\/p>\n\n\n\n
MongoDB\uac00 \uc790\uc720\ub85c\uc6b4 Document \uad6c\uc870\ub97c \uc81c\uacf5\ud558\ub354\ub77c\ub3c4 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc218\uc900\uc5d0\uc11c \ub370\uc774\ud130 \uad6c\uc870\ub97c \uad00\ub9ac\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
MongoDB \uc790\uccb4\uc5d0\uc11c\ub3c4 Schema Validation\uc744 \uc774\uc6a9\ud574 \uc800\uc7a5\ub418\ub294 \ub370\uc774\ud130\uc758 \uad6c\uc870\ub97c \uc81c\ud55c\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c MongoDB\uc758 Schema\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc774\ud574\ud558\ub294 \ud3b8\uc774 \uc801\uc808\ud558\ub2e4.<\/p>\n\n\n\n
Schema \uc694\uad6c\uc0ac\ud56d -> Application Schema \uad00\ub9ac -> \ud544\uc694\ud558\uba74 MongoDB Schema Validation \uc801\uc6a9\n<\/code><\/pre>\n\n\n\n
MongoDB\ub294 Schema\uac00 \uc5c6\ub294 \uac83\uc774 \uc544\ub2c8\ub77c Schema\ub97c \uac15\uc81c\ud558\ub294 \ubc29\uc2dd\uc774 \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ubcf4\ub2e4 \uc720\uc5f0\ud55c \uac83<\/strong>\uc5d0 \uac00\uae5d\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Embedded Document<\/h2>\n\n\n\n
MongoDB\uc5d0\uc11c \uc911\uc694\ud55c \ub370\uc774\ud130 \ubaa8\ub378\ub9c1 \ubc29\uc2dd \uc911 \ud558\ub098\uac00 Embedded Document\ub2e4.<\/p>\n\n\n\n
\uad00\ub828 \ub370\uc774\ud130\uac00 \ud56d\uc0c1 \ud568\uaed8 \uc870\ud68c\ub41c\ub2e4\uba74 \ud558\ub098\uc758 Document \uc548\uc5d0 \ud3ec\ud568\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \ud50c\ub808\uc774\uc5b4\uc640 \ud504\ub85c\ud544\uc774 \ud56d\uc0c1 \uac19\uc774 \uc0ac\uc6a9\ub41c\ub2e4\uba74:<\/p>\n\n\n\n
{\n  \"_id\": 100,\n  \"name\": \"Joo\",\n  \"profile\": {\n    \"level\": 30,\n    \"class\": \"Knight\"\n  }\n}\n<\/code><\/pre>\n\n\n\n
\uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Player Document -> Profile Document\n<\/code><\/pre>\n\n\n\n
\ubc30\uc5f4\ub3c4 Document \ub0b4\ubd80\uc5d0 \ud3ec\ud568\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
{\n  \"_id\": 100,\n  \"name\": \"Joo\",\n  \"items\": [\n    {\n      \"id\": 1,\n      \"name\": \"Sword\",\n      \"count\": 1\n    },\n    {\n      \"id\": 2,\n      \"name\": \"Potion\",\n      \"count\": 10\n    }\n  ]\n}\n<\/code><\/pre>\n\n\n\n
\uc774 \uacbd\uc6b0 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Player Document -> Items Array -> Item Document\n<\/code><\/pre>\n\n\n\n
\uad00\ub828 \ub370\uc774\ud130\uac00 \ud568\uaed8 \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0 \ud558\ub098\uc758 Document\uc5d0 \ud3ec\ud568\ud568\uc73c\ub85c\uc368 \ud544\uc694\ud55c \ub370\uc774\ud130\ub97c \ud55c \ubc88\uc5d0 \uc870\ud68c\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Embedded \uc124\uacc4\uc758 \uae30\ubcf8 \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
\ub370\uc774\ud130 \uad00\uacc4 \ud655\uc778 -> \ud568\uaed8 \uc870\ud68c\ub418\ub294\uc9c0 \ud655\uc778 -> Embedded Document \uc124\uacc4\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
Reference<\/h2>\n\n\n\n
\ubc18\ub300\ub85c \ub370\uc774\ud130\uac00 \ud06c\uac70\ub098 \ub3c5\ub9bd\uc801\uc73c\ub85c \uad00\ub9ac\ub418\uc5b4\uc57c \ud55c\ub2e4\uba74 Document\ub97c \ubd84\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n
{\n    \"_id\": 100,\n    \"name\": \"Joo\"\n}\n<\/code><\/pre>\n\n\n\n
\uadf8\ub9ac\uace0 \ubcc4\ub3c4\uc758 Collection\uc5d0:<\/p>\n\n\n\n
{\n    \"_id\": 1,\n    \"ownerId\": 100,\n    \"name\": \"Sword\"\n}\n<\/code><\/pre>\n\n\n\n
\ub97c \uc800\uc7a5\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc774 \uacbd\uc6b0 \uad00\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \ud45c\ud604\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Player Document -> ownerId -> Item Document\n<\/code><\/pre>\n\n\n\n
\uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uc5d0\uc11c\ub294 Table\uc744 \ubd84\ub9ac\ud558\uace0 JOIN\ud558\ub294 \ubc29\uc2dd\uc774 \uc77c\ubc18\uc801\uc774\uc9c0\ub9cc MongoDB\uc5d0\uc11c\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc870\ud68c \ud328\ud134\uc744 \uae30\uc900\uc73c\ub85c Embedded\uc640 Reference \uc911 \uc5b4\ub5a4 \ubc29\uc2dd\uc744 \uc0ac\uc6a9\ud560\uc9c0 \uacb0\uc815\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c \ub370\uc774\ud130 \ubaa8\ub378\ub9c1 \uacfc\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub370\uc774\ud130 \uad00\uacc4 -> \uc870\ud68c \ud328\ud134 \ubd84\uc11d -> \ub370\uc774\ud130 \ud06c\uae30 \ud655\uc778 -> Embedded \/ Reference \uc120\ud0dd\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
MongoDB\uc5d0\uc11c JOIN\uc740 \uc5c6\ub294\uac00<\/h2>\n\n\n\n
MongoDB\uc5d0\ub3c4 \ub2e4\ub978 Collection\uc758 \ub370\uc774\ud130\ub97c \uc5f0\uacb0\ud574\uc11c \uc870\ud68c\ud558\ub294 \uae30\ub2a5\uc774 \uc788\ub2e4.<\/p>\n\n\n\n
\ub300\ud45c\uc801\uc73c\ub85c $lookup<\/code>\uc774 \uc788\ub2e4.<\/p>\n\n\n\n
db.orders.aggregate([\n    {\n        $lookup: {\n            from: \"users\",\n            localField: \"userId\",\n            foreignField: \"_id\",\n            as: \"user\"\n        }\n    }\n]);\n<\/code><\/pre>\n\n\n\n
\ub530\ub77c\uc11c MongoDB\uc5d0 JOIN\uacfc \ube44\uc2b7\ud55c \uae30\ub2a5\uc774 \uc804\ud600 \uc5c6\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\ub370\uc774\ud130 \uc5f0\uacb0 \uacfc\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Collection A -> $lookup -> Collection B -> Combined Result\n<\/code><\/pre>\n\n\n\n
\ub2e4\ub9cc MongoDB\uc758 \ub370\uc774\ud130 \ubaa8\ub378\ub9c1\uc5d0\uc11c\ub294 \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ucc98\ub7fc \ubaa8\ub4e0 \ub370\uc774\ud130\ub97c \ubb34\uc870\uac74 \uc815\uaddc\ud654\ud558\uace0 JOIN\ud558\ub294 \ubc29\uc2dd\ubcf4\ub2e4 \uc870\ud68c \ud328\ud134\uc5d0 \ub9de\uac8c \ub370\uc774\ud130\ub97c \ubb36\uc5b4 \uc800\uc7a5\ud558\ub294 \uac83<\/strong>\uc744 \uc911\uc694\ud558\uac8c \ubcf8\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Index<\/h2>\n\n\n\n
\ub370\uc774\ud130\uac00 \ub9ce\uc544\uc9c0\uba74 Query \uc131\ub2a5\uc744 \uc704\ud574 Index\uac00 \ud544\uc694\ud558\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 email<\/code>\ub85c \uc0ac\uc6a9\uc790\ub97c \uc790\uc8fc \uc870\ud68c\ud55c\ub2e4\uba74 \ud574\ub2f9 \ud544\ub4dc\uc5d0 Index\ub97c \ub9cc\ub4e4 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
db.users.createIndex({\n    email: 1\n});\n<\/code><\/pre>\n\n\n\n
\uc870\ud68c \uacfc\uc815\uc740 \uac1c\ub150\uc801\uc73c\ub85c \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Query -> Index -> Target Document\n<\/code><\/pre>\n\n\n\n
Index\ub294 \ubb34\uc870\uac74 \ub9ce\uc774 \ub9cc\ub4e0\ub2e4\uace0 \uc88b\uc740 \uac83\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
Index \uc790\uccb4\ub3c4 \uc800\uc7a5 \uacf5\uac04\uc744 \uc0ac\uc6a9\ud558\uace0 Insert\uc640 Update \uac19\uc740 \uc4f0\uae30 \uc791\uc5c5\uc5d0\uc11c\ub294 Index\ub97c \ud568\uaed8 \uad00\ub9ac\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c \uc2e4\uc81c Query \ud328\ud134\uc744 \uae30\uc900\uc73c\ub85c Index\ub97c \uc124\uacc4\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
Query Pattern -> Index \uc124\uacc4 -> Read \uc131\ub2a5 \ud5a5\uc0c1\n<\/code><\/pre>\n\n\n\n
\ub3d9\uc2dc\uc5d0 \ub2e4\uc74c\uacfc \uac19\uc740 \ube44\uc6a9\uc774 \ubc1c\uc0dd\ud55c\ub2e4.<\/p>\n\n\n\n
Index \ucd94\uac00 -> Storage \uc99d\uac00 -> Write \ube44\uc6a9 \uc99d\uac00\n<\/code><\/pre>\n\n\n\n
\uacb0\uad6d Index \uc124\uacc4\ub294 \uc870\ud68c \uc131\ub2a5\uacfc \uc800\uc7a5 \ubc0f \uc4f0\uae30 \ube44\uc6a9 \uc0ac\uc774\uc758 \uade0\ud615 \ubb38\uc81c\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Compound Index<\/h2>\n\n\n\n
\uc5ec\ub7ec \ud544\ub4dc\ub97c \ud568\uaed8 \uac80\uc0c9\ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 Compound Index\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
db.users.createIndex({\n    level: 1,\n    class: 1\n});\n<\/code><\/pre>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4:<\/p>\n\n\n\n
db.users.find({\n    level: 30,\n    class: \"Knight\"\n});\n<\/code><\/pre>\n\n\n\n
\uac19\uc740 Query\ub97c \uc790\uc8fc \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 Compound Index\ub97c \uace0\ub824\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc124\uacc4 \uacfc\uc815\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Query \uc870\uac74 -> \uc815\ub82c \uc870\uac74 -> \ud544\ub4dc \uc21c\uc11c \uacb0\uc815 -> Compound Index \uc124\uacc4\n<\/code><\/pre>\n\n\n\n
Compound Index\ub294 \ud544\ub4dc\uc758 \uc21c\uc11c\uac00 \uc911\uc694\ud558\uae30 \ub54c\ubb38\uc5d0 \ub2e8\uc21c\ud788 \uac80\uc0c9\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud544\ub4dc\ub97c \ubaa8\ub450 \ub123\ub294 \ubc29\uc2dd\uc73c\ub85c \uc124\uacc4\ud574\uc11c\ub294 \uc548 \ub41c\ub2e4.<\/p>\n\n\n\n
\uc2e4\uc81c Query \ud328\ud134\uc744 \uae30\uc900\uc73c\ub85c Index\ub97c \uad6c\uc131\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Aggregation<\/h2>\n\n\n\n
MongoDB\uc5d0\uc11c \ub370\uc774\ud130\ub97c \uc9d1\uacc4\ud558\uace0 \ubcc0\ud658\ud560 \ub54c\ub294 Aggregation Pipeline\uc744 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \uac8c\uc784\uc5d0\uc11c \uc9c1\uc5c5\ubcc4 \ud3c9\uade0 \ub808\ubca8\uc744 \uacc4\uc0b0\ud55c\ub2e4\uace0 \ud558\uc790.<\/p>\n\n\n\n
Collection -> $match -> $group -> $sort -> $project -> Result\n<\/code><\/pre>\n\n\n\n
MongoDB\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 Pipeline\uc744 \ub9cc\ub4e4 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
db.players.aggregate([\n    {\n        $group: {\n            _id: \"$class\",\n            averageLevel: {\n                $avg: \"$level\"\n            }\n        }\n    }\n]);\n<\/code><\/pre>\n\n\n\n
Aggregation\uc740 \uc5ec\ub7ec Stage\ub97c \uc5f0\uacb0\ud574\uc11c \ub370\uc774\ud130\ub97c \ucc98\ub9ac\ud55c\ub2e4.<\/p>\n\n\n\n
Document -> $match -> $group -> $sort -> $project -> Result\n<\/code><\/pre>\n\n\n\n
\uac01 Stage\uc5d0\uc11c \ub370\uc774\ud130\ub97c \ud544\ud130\ub9c1\ud558\uace0 \uadf8\ub8f9\ud654\ud558\uace0 \uacc4\uc0b0\ud558\uace0 \uc6d0\ud558\ub294 \ud615\ud0dc\ub85c \ubcc0\ud658\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c Aggregation\uc740 \ub2e8\uc21c \uc870\ud68c\ubcf4\ub2e4 \ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uac00\uacf5\uc774\ub098 \ud1b5\uacc4\uc5d0 \uc801\ud569\ud558\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Transaction<\/h2>\n\n\n\n
MongoDB\ub3c4 Transaction\uc744 \uc9c0\uc6d0\ud55c\ub2e4.<\/p>\n\n\n\n
\uc5ec\ub7ec \uc791\uc5c5\uc744 \ud558\ub098\uc758 \ub17c\ub9ac\uc801\uc778 \uc791\uc5c5\uc73c\ub85c \ubb36\uc5b4\uc57c \ud558\ub294 \uacbd\uc6b0 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \uac8c\uc784\uc5d0\uc11c \uc544\uc774\ud15c\uc744 \ub2e4\ub978 \ud50c\ub808\uc774\uc5b4\uc5d0\uac8c \uc774\ub3d9\ud55c\ub2e4\uace0 \ud558\uc790.<\/p>\n\n\n\n
Player A -> Item Remove\nPlayer B -> Item Add\n<\/code><\/pre>\n\n\n\n
\ub450 \uc791\uc5c5\uc774 \ubc18\ub4dc\uc2dc \ud568\uaed8 \ucc98\ub9ac\ub418\uc5b4\uc57c \ud55c\ub2e4\uba74 Transaction\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Transaction Begin -> Player A Item Remove -> Player B Item Add -> Commit\n<\/code><\/pre>\n\n\n\n
\uc911\uac04\uc5d0 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud558\uba74:<\/p>\n\n\n\n
Transaction Begin -> Player A Item Remove -> Error -> Rollback\n<\/code><\/pre>\n\n\n\n
\uc774\ub7f0 \ubc29\uc2dd\uc73c\ub85c \uc5ec\ub7ec \uc791\uc5c5\uc744 \ud558\ub098\uc758 \uc6d0\uc790\uc801\uc778 \uc791\uc5c5\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub2e4\ub9cc MongoDB\uc758 Document \ubaa8\ub378\uc5d0\uc11c\ub294 \uac00\ub2a5\ud55c \uacbd\uc6b0 \uad00\ub828 \ub370\uc774\ud130\ub97c \ud558\ub098\uc758 Document\uc5d0 \ud3ec\ud568\uc2dc\ucf1c Transaction\uc758 \ud544\uc694\uc131\uc744 \uc904\uc774\ub294 \uc124\uacc4\ub3c4 \uace0\ub824\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
Replica Set<\/h2>\n\n\n\n
MongoDB\ub97c \uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ud55c\ub2e4\uba74 \uc7a5\uc560 \ub300\uc751\uc744 \uc704\ud574 Replica Set\uc744 \uad6c\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uae30\ubcf8 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Primary -> Secondary\n<\/code><\/pre>\n\n\n\n
Primary -> Secondary\nPrimary -> Secondary\n<\/code><\/pre>\n\n\n\n
Primary\uac00 \uc4f0\uae30 \uc791\uc5c5\uc744 \ucc98\ub9ac\ud558\uace0 Secondary\uac00 \ub370\uc774\ud130\ub97c \ubcf5\uc81c\ud55c\ub2e4.<\/p>\n\n\n\n
\uc7a5\uc560\uac00 \ubc1c\uc0dd\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc740 \ud750\ub984\uc73c\ub85c \uc0c8\ub85c\uc6b4 Primary\ub97c \uad6c\uc131\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Primary \uc7a5\uc560 -> Secondary \uc120\ucd9c -> New Primary -> Service Continue\n<\/code><\/pre>\n\n\n\n
\ub530\ub77c\uc11c Replica Set\uc740 MongoDB\uc758 \uace0\uac00\uc6a9\uc131\uc744 \uad6c\uc131\ud558\ub294 \ud575\uc2ec \uc694\uc18c\ub2e4.<\/p>\n\n\n\n
Replica Set -> Data Replication -> Failover -> High Availability\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
Sharding<\/h2>\n\n\n\n
\ub370\uc774\ud130\uac00 \ub9e4\uc6b0 \ucee4\uc838 \ud558\ub098\uc758 \uc11c\ubc84\uc5d0\uc11c \ucc98\ub9ac\ud558\uae30 \uc5b4\ub824\uc6cc\uc9c0\uba74 Sharding\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Sharding\uc740 \ub370\uc774\ud130\ub97c \uc5ec\ub7ec \uc11c\ubc84\uc5d0 \ubd84\uc0b0\uc2dc\ud0a4\ub294 \ubc29\uc2dd\uc774\ub2e4.<\/p>\n\n\n\n
MongoDB Cluster -> Shard 1\nMongoDB Cluster -> Shard 2\nMongoDB Cluster -> Shard 3\n<\/code><\/pre>\n\n\n\n
\uc5b4\ub5a4 \ub370\uc774\ud130\ub97c \uc5b4\ub290 Shard\uc5d0 \uc800\uc7a5\ud560\uc9c0\ub294 Shard Key\ub97c \uae30\uc900\uc73c\ub85c \uacb0\uc815\ud55c\ub2e4.<\/p>\n\n\n\n
Document -> Shard Key -> Target Shard -> Data Storage\n<\/code><\/pre>\n\n\n\n
Sharding\uc758 \ubaa9\uc801\uc740 \ub370\uc774\ud130\ub97c \uc5ec\ub7ec \uc11c\ubc84\uc5d0 \ubd84\uc0b0\ud574 \uc800\uc7a5\ud558\uace0 \ucc98\ub9ac\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
Large Dataset -> Sharding -> Distributed Data -> Horizontal Scaling\n<\/code><\/pre>\n\n\n\n
\ub2e4\ub9cc Sharding\uc740 \uc11c\ubc84\ub97c \uc5ec\ub7ec \ub300 \ucd94\uac00\ud558\uba74 \ub05d\ub098\ub294 \uae30\ub2a5\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
Shard Key\ub97c \uc798\ubabb \uc120\ud0dd\ud558\uba74 \ud2b9\uc815 Shard\uc5d0 \ub370\uc774\ud130\uac00 \uc9d1\uc911\ub418\ub294 \ubb38\uc81c\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uace0 Query \uc131\ub2a5\uc5d0\ub3c4 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ub530\ub77c\uc11c \ub300\uaddc\ubaa8 MongoDB\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud750\ub984\uc73c\ub85c \uc124\uacc4\ud574\uc57c \ud55c\ub2e4.<\/p>\n\n\n\n
Data Distribution \ubd84\uc11d -> Query Pattern \ubd84\uc11d -> Shard Key \uc124\uacc4 -> Sharding \uad6c\uc131\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
MongoDB\uc758 \uc7a5\uc810\uacfc \ud55c\uacc4<\/h2>\n\n\n\n
MongoDB\uc758 \uac00\uc7a5 \ud070 \ud2b9\uc9d5\uc740 Document \uad6c\uc870\uac00 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ub370\uc774\ud130 \ubaa8\ub378\uacfc \uc798 \ub9de\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
\uc911\ucca9\ub41c \uac1d\uccb4\ub098 \ubc30\uc5f4\uc744 \ud558\ub098\uc758 Document\uc5d0 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc800\uc7a5\ud560 \uc218 \uc788\uace0, \ub370\uc774\ud130 \uad6c\uc870\uc758 \ubcc0\uacbd\uc5d0\ub3c4 \ube44\uad50\uc801 \uc720\uc5f0\ud558\uac8c \ub300\uc751\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\ud2b9\ud788 \ub2e4\uc74c\uacfc \uac19\uc740 \ub370\uc774\ud130\uc640 \uc798 \ub9de\ub294\ub2e4.<\/p>\n\n\n\n
User Profile\nGame Character Data\nProduct Data\nContent Data\nEvent Log\nDocument Data\n<\/code><\/pre>\n\n\n\n
\ubc18\ub300\ub85c \ubcf5\uc7a1\ud55c \uad00\uacc4\uc640 \uac15\ud55c \uc815\ud569\uc131\uc774 \uc911\uc2ec\uc778 \uc2dc\uc2a4\ud15c\uc774\ub77c\uba74 \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub354 \uc801\ud569\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \uae08\uc735 \uac70\ub798\ucc98\ub7fc \uc5ec\ub7ec \ub370\uc774\ud130\uc758 \uad00\uacc4\uc640 Transaction\uc774 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 PostgreSQL\uc774\ub098 MySQL \uac19\uc740 \uad00\uacc4\ud615 DB\ub97c \uc6b0\uc120\uc801\uc73c\ub85c \uace0\ub824\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\ub2e4.<\/p>\n\n\n\n
DB \uc120\ud0dd\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uae30\uc900\uc73c\ub85c \uacb0\uc815\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Data Structure -> Access Pattern -> Consistency Requirement -> Scalability Requirement -> Database Selection\n<\/code><\/pre>\n\n\n\n
MongoDB\uac00 \uad00\uacc4\ud615 DB\ubcf4\ub2e4 \uc0c1\uc704\ud638\ud658\uc778 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\ubb38\uc81c\uc758 \ud2b9\uc131\uc5d0 \ub530\ub77c \uc801\ud569\ud55c \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub2ec\ub77c\uc9c4\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
MongoDB\uc640 Redis\uc758 \ucc28\uc774<\/h2>\n\n\n\n
MongoDB\uc640 Redis\ub294 \ub458 \ub2e4 NoSQL \uacc4\uc5f4\ub85c \ubd84\ub958\ub418\uc9c0\ub9cc \ubaa9\uc801\uc774 \uc0c1\ub2f9\ud788 \ub2e4\ub974\ub2e4.<\/p>\n\n\n\n
MongoDB\ub294 \uc8fc\ub85c Document\ub97c \uc601\uad6c\uc801\uc73c\ub85c \uc800\uc7a5\ud558\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub85c \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
Redis\ub294 \uba54\ubaa8\ub9ac \uae30\ubc18 Key-Value \uc800\uc7a5\uc18c\ub85c Cache, Session, \uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ub4f1\uc5d0 \ub9ce\uc774 \uc0ac\uc6a9\ud55c\ub2e4.<\/p>\n\n\n\n
MongoDB -> Persistent Document Storage\n<\/code><\/pre>\n\n\n\n
Redis -> In-Memory Key-Value Storage\n<\/code><\/pre>\n\n\n\n
\ud558\ub098\uc758 \uc11c\ubc84\uc5d0\uc11c \ub450 \uc2dc\uc2a4\ud15c\uc744 \ud568\uaed8 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 \ub2e4\uc74c\uacfc \uac19\uc740 \uad6c\uc870\uac00 \uac00\ub2a5\ud558\ub2e4.<\/p>\n\n\n\n
Application -> MongoDB -> User Data \/ Game Data\n<\/code><\/pre>\n\n\n\n
Application -> Redis -> Cache \/ Session \/ Ranking\n<\/code><\/pre>\n\n\n\n
\ub450 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub97c \ud568\uaed8 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0 \uc5ed\ud560\uc744 \ubd84\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Application -> MongoDB -> Persistent Data\nApplication -> Redis -> Fast Access Data\n<\/code><\/pre>\n\n\n\n
\ub530\ub77c\uc11c MongoDB\uc640 Redis\ub294 \ubc18\ub4dc\uc2dc \uc11c\ub85c \ub300\uccb4\ud558\ub294 \uad00\uacc4\uac00 \uc544\ub2c8\ub77c \ubaa9\uc801\uc5d0 \ub530\ub77c \ud568\uaed8 \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
MongoDB\ub97c \uc11c\ubc84\uc5d0\uc11c \uc0ac\uc6a9\ud558\ub294 \uad6c\uc870<\/h2>\n\n\n\n
Node.js\ub098 Java \uac19\uc740 \uc11c\ubc84 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c MongoDB\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\uc77c\ubc18\uc801\uc778 \uc694\uccad \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Client -> HTTP -> Server -> MongoDB Driver \/ ODM -> MongoDB\n<\/code><\/pre>\n\n\n\n
\uc11c\ubc84 \ub0b4\ubd80\uc5d0\uc11c\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uacc4\uce35 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Request -> Controller -> Service -> Repository -> MongoDB\n<\/code><\/pre>\n\n\n\n
Node.js\uc5d0\uc11c\ub294 MongoDB Driver\ub098 Mongoose \uac19\uc740 ODM\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uace0, Java\uc5d0\uc11c\ub294 MongoDB Java Driver\ub098 Spring Data MongoDB \ub4f1\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
MongoDB\ub97c \uc0ac\uc6a9\ud55c\ub2e4\uace0 \ud574\uc11c \uc11c\ubc84 \uc544\ud0a4\ud14d\ucc98 \uc790\uccb4\uac00 \ub2ec\ub77c\uc9c0\ub294 \uac83\uc740 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\ub370\uc774\ud130 \uc811\uadfc \uacc4\uce35\uc5d0\uc11c MongoDB\uc5d0 \ub9de\ub294 \uc800\uc7a5 \ubc29\uc2dd\uacfc Query\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc774\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
MongoDB\ub97c \uc124\uacc4\ud560 \ub54c \uc911\uc694\ud55c \uac83<\/h2>\n\n\n\n
MongoDB\uc5d0\uc11c \uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740 Document\ub97c \uc5b4\ub5bb\uac8c \uad6c\uc131\ud560 \uac83\uc778\uac00\ub2e4.<\/p>\n\n\n\n
\uad00\uacc4\ud615 DB\uc5d0\uc11c\ub294 \ubcf4\ud1b5 \uc815\uaddc\ud654\ubd80\ud130 \uc0dd\uac01\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc9c0\ub9cc MongoDB\uc5d0\uc11c\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc774 \ub370\uc774\ud130\ub97c \uc5b4\ub5bb\uac8c \uc77d\ub294\uc9c0<\/strong>\ubd80\ud130 \ubcf4\ub294 \ud3b8\uc774 \uc88b\ub2e4.<\/p>\n\n\n\n
\uc608\ub97c \ub4e4\uc5b4 \ud50c\ub808\uc774\uc5b4 \uc815\ubcf4\ub97c \uc870\ud68c\ud560 \ub54c \ud56d\uc0c1 \uc7a5\ube44 \uc815\ubcf4\uac00 \ud544\uc694\ud558\ub2e4\uba74:<\/p>\n\n\n\n
Player Data -> Equipment Data -> Embedded \uace0\ub824\n<\/code><\/pre>\n\n\n\n
\ubc18\ub300\ub85c \uc7a5\ube44\uac00 \ub3c5\ub9bd\uc801\uc73c\ub85c \uad00\ub9ac\ub418\uace0 \uc218\uac00 \ub9e4\uc6b0 \ub9ce\uac70\ub098 \ub2e4\ub978 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub3c4 \ubcc4\ub3c4\ub85c \uc870\ud68c\ud55c\ub2e4\uba74:<\/p>\n\n\n\n
Player Data -> Equipment Data -> Reference \uace0\ub824\n<\/code><\/pre>\n\n\n\n
\uacb0\uad6d Document \uc124\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \ud750\ub984\uc73c\ub85c \ud310\ub2e8\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Data Relationship -> Access Pattern -> Data Size -> Write Frequency -> Consistency Requirement -> Document Model\n<\/code><\/pre>\n\n\n\n
\uadf8 \uacb0\uacfc\uc5d0 \ub530\ub77c:<\/p>\n\n\n\n
Document Model -> Embedded\n<\/code><\/pre>\n\n\n\n
\ub610\ub294:<\/p>\n\n\n\n
Document Model -> Reference\n<\/code><\/pre>\n\n\n\n
\ub97c \uc120\ud0dd\ud55c\ub2e4.<\/p>\n\n\n\n
\uc774\ud6c4 \uc2e4\uc81c Query \ud328\ud134\uc5d0 \ub530\ub77c Index\ub97c \uc124\uacc4\ud55c\ub2e4.<\/p>\n\n\n\n
Document Model -> Query Pattern -> Index Design -> Query Performance\n<\/code><\/pre>\n\n\n\n
MongoDB\uc758 \uc720\uc5f0\ud568\uc740 \uc544\ubb34\ub807\uac8c\ub098 \uc800\uc7a5\ud574\ub3c4 \ub41c\ub2e4\ub294 \uc758\ubbf8\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\uc624\ud788\ub824 Document \uad6c\uc870\ub97c \uc798\ubabb \uc7a1\uc73c\uba74 \ub370\uc774\ud130\uac00 \uc9c0\ub098\uce58\uac8c \ucee4\uc9c0\uac70\ub098 Query\uac00 \ubcf5\uc7a1\ud574\uc9c0\uace0 Index \uc124\uacc4\ub3c4 \uc5b4\ub824\uc6cc\uc9c8 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
\n\n\n\n
\uc804\uccb4 \uad6c\uc870<\/h2>\n\n\n\n
MongoDB\ub97c \uc11c\ubc84 \uac1c\ubc1c \uad00\uc810\uc5d0\uc11c \ud558\ub098\ub85c \ubb36\uc73c\uba74 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Client -> Application Server -> MongoDB Driver \/ ODM -> MongoDB Cluster\n<\/code><\/pre>\n\n\n\n
MongoDB \ub0b4\ubd80\uc758 \uae30\ubcf8 \ub370\uc774\ud130 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
MongoDB Cluster -> Database -> Collection -> Document -> Field\n<\/code><\/pre>\n\n\n\n
Document \ub0b4\ubd80\uc5d0\ub294 \ud544\uc694\ud55c \uacbd\uc6b0 \ub2e4\uc74c\uacfc \uac19\uc740 \ub370\uc774\ud130 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Document -> Embedded Document\n<\/code><\/pre>\n\n\n\n
Document -> Embedded Array\n<\/code><\/pre>\n\n\n\n
Document -> Reference ID -> Other Document\n<\/code><\/pre>\n\n\n\n
\uc870\ud68c\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n
Application -> Query -> Index -> Document -> Result\n<\/code><\/pre>\n\n\n\n
\ub370\uc774\ud130 \uc9d1\uacc4\ub294 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n
Collection -> Aggregation Pipeline -> Result\n<\/code><\/pre>\n\n\n\n
\uc5ec\ub7ec \uc791\uc5c5\uc744 \ud558\ub098\uc758 \ub17c\ub9ac\uc801 \uc791\uc5c5\uc73c\ub85c \ucc98\ub9ac\ud574\uc57c \ud55c\ub2e4\uba74:<\/p>\n\n\n\n
Transaction -> Operation -> Commit \/ Rollback\n<\/code><\/pre>\n\n\n\n
\uace0\uac00\uc6a9\uc131\uc774 \ud544\uc694\ud55c \uacbd\uc6b0:<\/p>\n\n\n\n
MongoDB Cluster -> Replica Set -> Primary \/ Secondary -> Failover\n<\/code><\/pre>\n\n\n\n
\uc218\ud3c9 \ud655\uc7a5\uc774 \ud544\uc694\ud55c \uacbd\uc6b0:<\/p>\n\n\n\n
MongoDB Cluster -> Sharding -> Shard Key -> Shard -> Distributed Data\n<\/code><\/pre>\n\n\n\n
\uc804\uccb4 \uad6c\uc870\ub97c \ud558\ub098\ub85c \uc5f0\uacb0\ud558\uba74 \ub2e4\uc74c\uacfc \uac19\uc774 \ubcfc \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Client -> Application Server -> Driver \/ ODM -> MongoDB Cluster -> Database -> Collection -> Document\n<\/code><\/pre>\n\n\n\n
\uc6b4\uc601 \ud658\uacbd\uc5d0\uc11c\ub294 \ub2e4\uc74c \uad6c\uc870\uac00 \ucd94\uac00\ub41c\ub2e4.<\/p>\n\n\n\n
MongoDB Cluster -> Replica Set -> Primary \/ Secondary -> High Availability\n<\/code><\/pre>\n\n\n\n
MongoDB Cluster -> Sharding -> Shard Key -> Distributed Data -> Horizontal Scaling\n<\/code><\/pre>\n\n\n\n
\n\n\n\n
\uc815\ub9ac<\/h2>\n\n\n\n
MongoDB\uc5d0\uc11c \uac00\uc7a5 \uae30\ubcf8\uc801\uc778 \uad6c\uc870\ub294 \ub2e4\uc74c\uacfc \uac19\ub2e4.<\/p>\n\n\n\n
Database -> Collection -> Document -> Field\n<\/code><\/pre>\n\n\n\n
Document \ubaa8\ub378\ub9c1\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc774\ud574\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Data Relationship -> Access Pattern -> Embedded \/ Reference\n<\/code><\/pre>\n\n\n\n
\uc870\ud68c \uc131\ub2a5\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc5f0\uacb0\ub41c\ub2e4.<\/p>\n\n\n\n
Query Pattern -> Index -> Query Performance\n<\/code><\/pre>\n\n\n\n
\ubcf5\uc7a1\ud55c \ub370\uc774\ud130 \uac00\uacf5\uc740:<\/p>\n\n\n\n
Collection -> Aggregation Pipeline -> Result\n<\/code><\/pre>\n\n\n\n
\uc5ec\ub7ec \uc791\uc5c5\uc758 \uc6d0\uc790\uc801\uc778 \ucc98\ub9ac\ub294:<\/p>\n\n\n\n
Transaction -> Operations -> Commit \/ Rollback\n<\/code><\/pre>\n\n\n\n
\uace0\uac00\uc6a9\uc131\uc740:<\/p>\n\n\n\n
Replica Set -> Replication -> Failover -> High Availability\n<\/code><\/pre>\n\n\n\n
\uc218\ud3c9 \ud655\uc7a5\uc740:<\/p>\n\n\n\n
Sharding -> Shard Key -> Distributed Data -> Horizontal Scaling\n<\/code><\/pre>\n\n\n\n
\uc11c\ubc84 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc5d0\uc11c\uc758 \uc804\uccb4\uc801\uc778 \uc811\uadfc \uad6c\uc870\ub294:<\/p>\n\n\n\n
Client -> Server -> Driver \/ ODM -> MongoDB\n<\/code><\/pre>\n\n\n\n
MongoDB\ub294 \ub2e8\uc21c\ud788 “\ud14c\uc774\ube14\uc774 \uc5c6\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4”\uac00 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
Document\ub97c \uc911\uc2ec\uc73c\ub85c \ub370\uc774\ud130\ub97c \ubaa8\ub378\ub9c1\ud558\uace0, \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \uc870\ud68c \ud328\ud134\uc5d0 \ub9de\ucdb0 \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud558\ub294 \ub370\uc774\ud130\ubca0\uc774\uc2a4<\/strong>\ub77c\ub294 \uc810\uc774 \ud575\uc2ec\uc774\ub2e4.<\/p>\n\n\n\n
MongoDB\ub97c \uacf5\ubd80\ud560 \ub54c CRUD \ubb38\ubc95\ub9cc \uc678\uc6b0\ub294 \uac83\ubcf4\ub2e4 Embedded\uc640 Reference\ub97c \uc5b8\uc81c \uc120\ud0dd\ud558\ub294\uc9c0, Index\ub97c \uc65c \ub9cc\ub4dc\ub294\uc9c0, Aggregation\uc744 \uc5b8\uc81c \uc0ac\uc6a9\ud558\ub294\uc9c0, Transaction\uc774 \ud544\uc694\ud55c \uc0c1\ud669\uc740 \ubb34\uc5c7\uc778\uc9c0, Replica Set\uacfc Sharding\uc774 \uc5b4\ub5a4 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294\uc9c0\ub97c \uac19\uc774 \uc774\ud574\ud558\ub294 \ud3b8\uc774 \uc2e4\uc81c \uc11c\ubc84 \uac1c\ubc1c\uc5d0 \ub354 \ub3c4\uc6c0\uc774 \ub41c\ub2e4.<\/p>\n\n\n\n
\uacb0\uad6d MongoDB \uc124\uacc4\uc758 \ud575\uc2ec \ud750\ub984\uc740 \ub2e4\uc74c\uacfc \uac19\uc774 \uc815\ub9ac\ud560 \uc218 \uc788\ub2e4.<\/p>\n\n\n\n
Requirements -> Access Pattern -> Document Modeling -> Embedded \/ Reference -> Index Design -> Query \/ Aggregation -> Replica Set \/ Sharding\n<\/code><\/pre>\n\n\n\n
MongoDB\ub97c \uc81c\ub300\ub85c \uc774\ud574\ud55c\ub2e4\ub294 \uac83\uc740 MongoDB \uba85\ub839\uc5b4\ub97c \ub9ce\uc774 \uc544\ub294 \uac83\uc774 \uc544\ub2c8\ub2e4.<\/p>\n\n\n\n
\uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ub370\uc774\ud130 \uc811\uadfc \ud328\ud134\uc744 \ubcf4\uace0 \uc801\uc808\ud55c Document \uad6c\uc870\uc640 \uc800\uc7a5 \uc804\ub7b5\uc744 \uc124\uacc4\ud560 \uc218 \uc788\ub294 \uac83<\/strong>\uc774 \ud575\uc2ec\uc774\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"
MongoDB \ud575\uc2ec \uc815\ub9ac MongoDB\ub294 \ub300\ud45c\uc801\uc778 NoSQL \ub370\uc774\ud130\ubca0\uc774\uc2a4\ub2e4. \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\ucc98\ub7fc \ud14c\uc774\ube14\uacfc \ud589\uc744 \uc911\uc2ec\uc73c\ub85c \ub370\uc774\ud130\ub97c \uad00\ub9ac\ud558\ub294 \ub300\uc2e0 Document\uc640 Collection\uc744 \uc911\uc2ec\uc73c\ub85c \ub370\uc774\ud130\ub97c \uc800\uc7a5\ud55c\ub2e4. \uad00\uacc4\ud615 \ub370\uc774\ud130\ubca0\uc774\uc2a4\uac00 \ub370\uc774\ud130\ub97c \ub2e4\uc74c\uacfc \uac19\uc774 \uad00\ub9ac\ud55c\ub2e4\uba74, MongoDB\ub294 \ub2e4\uc74c\uacfc \uac19\uc740 \uad6c\uc870\ub97c \uc0ac\uc6a9\ud55c\ub2e4. Document\ub294 BSON(Binary JSON) \ud615\ud0dc\ub85c \uc800\uc7a5\ub418\uba70 JSON\uacfc \ube44\uc2b7\ud55c \uad6c\uc870\ub97c \uac00\uc9c0\uace0 \uc788\ub2e4. MongoDB\ub97c \uc774\ud574\ud560 \ub54c \uc911\uc694\ud55c \ubd80\ubd84\uc740 \ub2e8\uc21c\ud788 “NoSQL\uc774\ub77c\uc11c \uc2a4\ud0a4\ub9c8\uac00 \uc5c6\ub2e4”\ub294 \uac83\uc774 \uc544\ub2c8\ub2e4. \ub370\uc774\ud130\ub97c \uc5b4\ub5bb\uac8c Document […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[49],"tags":[],"class_list":["post-1677","post","type-post","status-publish","format-standard","hentry","category-server"],"_links":{"self":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1677","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1677"}],"version-history":[{"count":3,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1677\/revisions"}],"predecessor-version":[{"id":1965,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=\/wp\/v2\/posts\/1677\/revisions\/1965"}],"wp:attachment":[{"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1677"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1677"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wayhope.kro.kr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1677"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}