{"id":195003,"date":"2024-11-13T11:23:21","date_gmt":"2024-11-13T03:23:21","guid":{"rendered":"https:\/\/server.hk\/cnblog\/195003\/"},"modified":"2024-11-13T11:23:23","modified_gmt":"2024-11-13T03:23:23","slug":"%e7%94%a8%e5%9c%96%e8%aa%aa%e8%a9%b1%ef%bc%9a%e5%be%9esql%e7%a7%bb%e6%a4%8d%e5%88%b0mongodb","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/195003\/","title":{"rendered":"\u7528\u5716\u8aaa\u8a71\uff1a\u5f9eSQL\u79fb\u690d\u5230MongoDB"},"content":{"rendered":"

\u7528\u5716\u8aaa\u8a71\uff1a\u5f9eSQL\u79fb\u690d\u5230MongoDB<\/h1>\n

\u5728\u7576\u4eca\u7684\u6578\u64da\u7ba1\u7406\u4e16\u754c\u4e2d\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5c0d\u65bc\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u548c\u53ef\u64f4\u5c55\u6027\u81f3\u95dc\u91cd\u8981\u3002\u96a8\u8457NoSQL\u6578\u64da\u5eab\u7684\u8208\u8d77\uff0cMongoDB\u4f5c\u70ba\u4e00\u7a2e\u6d41\u884c\u7684\u9078\u64c7\uff0c\u8d8a\u4f86\u8d8a\u591a\u7684\u958b\u767c\u8005\u548c\u4f01\u696d\u958b\u59cb\u8003\u616e\u5c07\u4ed6\u5011\u7684SQL\u6578\u64da\u5eab\u9077\u79fb\u5230MongoDB\u3002\u672c\u6587\u5c07\u63a2\u8a0e\u5f9eSQL\u79fb\u690d\u5230MongoDB\u7684\u904e\u7a0b\uff0c\u4e26\u901a\u904e\u5716\u793a\u4f86\u5e6b\u52a9\u7406\u89e3\u9019\u4e00\u8f49\u8b8a\u3002<\/p>\n

SQL\u8207MongoDB\u7684\u57fa\u672c\u6982\u5ff5<\/h2>\n

SQL\uff08\u7d50\u69cb\u5316\u67e5\u8a62\u8a9e\u8a00\uff09\u6578\u64da\u5eab\uff0c\u5982MySQL\u548cPostgreSQL\uff0c\u4f7f\u7528\u8868\u683c\u4f86\u5b58\u5132\u6578\u64da\uff0c\u4e26\u4e14\u6578\u64da\u4e4b\u9593\u7684\u95dc\u4fc2\u901a\u5e38\u662f\u901a\u904e\u5916\u9375\u4f86\u5be6\u73fe\u7684\u3002\u9019\u7a2e\u7d50\u69cb\u5316\u7684\u65b9\u5f0f\u4f7f\u5f97\u6578\u64da\u7684\u67e5\u8a62\u548c\u7ba1\u7406\u8b8a\u5f97\u76f8\u5c0d\u7c21\u55ae\uff0c\u4f46\u5728\u9762\u5c0d\u5927\u898f\u6a21\u6578\u64da\u548c\u9ad8\u4e26\u767c\u8acb\u6c42\u6642\uff0c\u53ef\u80fd\u6703\u51fa\u73fe\u6027\u80fd\u74f6\u9838\u3002<\/p>\n

\u76f8\u5c0d\u800c\u8a00\uff0cMongoDB\u662f\u4e00\u7a2e\u6587\u6a94\u5c0e\u5411\u7684NoSQL\u6578\u64da\u5eab\uff0c\u4f7f\u7528BSON\uff08\u985e\u4f3cJSON\u7684\u683c\u5f0f\uff09\u4f86\u5b58\u5132\u6578\u64da\u3002\u9019\u7a2e\u9748\u6d3b\u7684\u6578\u64da\u6a21\u578b\u4f7f\u5f97MongoDB\u80fd\u5920\u8f15\u9b06\u8655\u7406\u975e\u7d50\u69cb\u5316\u6578\u64da\uff0c\u4e26\u4e14\u5728\u6c34\u5e73\u64f4\u5c55\u65b9\u9762\u8868\u73fe\u512a\u7570\u3002<\/p>\n

\u5f9eSQL\u5230MongoDB\u7684\u9077\u79fb\u6b65\u9a5f<\/h2>\n

1. \u5206\u6790\u73fe\u6709\u7684SQL\u6578\u64da\u7d50\u69cb<\/h3>\n

\u5728\u958b\u59cb\u9077\u79fb\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u5c0d\u73fe\u6709\u7684SQL\u6578\u64da\u7d50\u69cb\u9032\u884c\u8a73\u7d30\u5206\u6790\u3002\u9019\u5305\u62ec\u8b58\u5225\u8868\u683c\u3001\u5b57\u6bb5\u3001\u6578\u64da\u985e\u578b\u4ee5\u53ca\u5b83\u5011\u4e4b\u9593\u7684\u95dc\u4fc2\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u7c21\u55ae\u7684SQL\u8868\u683c\u793a\u4f8b\uff1a<\/p>\n

CREATE TABLE users (\n    id INT PRIMARY KEY,\n    name VARCHAR(100),\n    email VARCHAR(100),\n    created_at TIMESTAMP\n);<\/code><\/pre>\n
2. \u8a2d\u8a08MongoDB\u7684\u6578\u64da\u6a21\u578b<\/h3>\n
\u6839\u64da\u5206\u6790\u7d50\u679c\uff0c\u8a2d\u8a08MongoDB\u7684\u6578\u64da\u6a21\u578b\u3002\u7531\u65bcMongoDB\u4e0d\u9700\u8981\u56fa\u5b9a\u7684\u7d50\u69cb\uff0c\u53ef\u4ee5\u5c07\u76f8\u95dc\u6578\u64da\u5d4c\u5957\u5728\u540c\u4e00\u6587\u6a94\u4e2d\u3002\u4f8b\u5982\uff0c\u5c07\u7528\u6236\u4fe1\u606f\u548c\u5176\u76f8\u95dc\u7684\u8a02\u55ae\u4fe1\u606f\u5408\u4f75\u5230\u4e00\u500b\u6587\u6a94\u4e2d\uff1a<\/p>\n
{\n    \"_id\": ObjectId(\"...\"),\n    \"name\": \"John Doe\",\n    \"email\": \"john@example.com\",\n    \"orders\": [\n        {\n            \"order_id\": \"12345\",\n            \"amount\": 250,\n            \"created_at\": \"2023-01-01\"\n        },\n        {\n            \"order_id\": \"12346\",\n            \"amount\": 150,\n            \"created_at\": \"2023-01-02\"\n        }\n    ]\n}<\/code><\/pre>\n
3. \u6578\u64da\u9077\u79fb<\/h3>\n
\u6578\u64da\u9077\u79fb\u53ef\u4ee5\u901a\u904e\u591a\u7a2e\u5de5\u5177\u548c\u65b9\u6cd5\u4f86\u5be6\u73fe\uff0c\u4f8b\u5982\u4f7f\u7528MongoDB\u7684\u5b98\u65b9\u5de5\u5177MongoDB Compass\u6216\u81ea\u5b9a\u7fa9\u8173\u672c\u3002\u4ee5\u4e0b\u662f\u4e00\u500b\u4f7f\u7528Python\u7684\u7c21\u55ae\u793a\u4f8b\uff1a<\/p>\n
import pymysql\nfrom pymongo import MongoClient\n\n# \u9023\u63a5\u5230MySQL\nmysql_conn = pymysql.connect(host='localhost', user='user', password='passwd', db='test_db')\ncursor = mysql_conn.cursor()\n\n# \u9023\u63a5\u5230MongoDB\nmongo_client = MongoClient('mongodb:\/\/localhost:27017\/')\nmongo_db = mongo_client['test_db']\nmongo_collection = mongo_db['users']\n\n# \u5f9eMySQL\u8b80\u53d6\u6578\u64da\u4e26\u63d2\u5165\u5230MongoDB\ncursor.execute(\"SELECT * FROM users\")\nfor row in cursor.fetchall():\n    mongo_collection.insert_one({\n        \"name\": row[1],\n        \"email\": row[2],\n        \"created_at\": row[3]\n    })\n\nmysql_conn.close()<\/code><\/pre>\n
4. \u6e2c\u8a66\u8207\u512a\u5316<\/h3>\n
\u9077\u79fb\u5b8c\u6210\u5f8c\uff0c\u9032\u884c\u5168\u9762\u7684\u6e2c\u8a66\u4ee5\u78ba\u4fdd\u6578\u64da\u7684\u5b8c\u6574\u6027\u548c\u61c9\u7528\u7a0b\u5e8f\u7684\u6027\u80fd\u3002\u6839\u64da\u6e2c\u8a66\u7d50\u679c\u9032\u884c\u5fc5\u8981\u7684\u512a\u5316\uff0c\u4f8b\u5982\u7d22\u5f15\u7684\u5efa\u7acb\u548c\u67e5\u8a62\u7684\u8abf\u6574\u3002<\/p>\n
\u7d50\u8ad6<\/h2>\n
\u5f9eSQL\u79fb\u690d\u5230MongoDB\u662f\u4e00\u500b\u9700\u8981\u4ed4\u7d30\u898f\u5283\u548c\u57f7\u884c\u7684\u904e\u7a0b\u3002\u901a\u904e\u5206\u6790\u73fe\u6709\u6578\u64da\u7d50\u69cb\u3001\u8a2d\u8a08\u5408\u9069\u7684MongoDB\u6578\u64da\u6a21\u578b\u3001\u9032\u884c\u6578\u64da\u9077\u79fb\u4ee5\u53ca\u5f8c\u7e8c\u7684\u6e2c\u8a66\u8207\u512a\u5316\uff0c\u53ef\u4ee5\u6709\u6548\u5730\u5be6\u73fe\u9019\u4e00\u8f49\u8b8a\u3002\u96a8\u8457\u6578\u64da\u9700\u6c42\u7684\u589e\u9577\uff0c\u9078\u64c7\u5408\u9069\u7684\u6578\u64da\u5eab\u7cfb\u7d71\u5c07\u5c0d\u4f01\u696d\u7684\u6210\u529f\u81f3\u95dc\u91cd\u8981\u3002<\/p>\n
\u5982\u9700\u4e86\u89e3\u66f4\u591a\u6709\u95dc\u9999\u6e2fVPS<\/a><\/em>\u548c\u96f2\u4f3a\u670d\u5668<\/a><\/em>\u7684\u8cc7\u8a0a\uff0c\u8acb\u8a2a\u554f\u6211\u5011\u7684\u7db2\u7ad9\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u63a2\u7d22\u5982\u4f55\u5c07SQL\u6578\u64da\u5eab\u9077\u79fb\u5230MongoDB\uff0c\u900f\u904e\u5716\u793a\u5316\u89e3\u91cb\u904e\u7a0b\u8207\u6280\u5de7\uff0c\u52a9\u4f60\u8f15\u9b06\u638c\u63e1\u6578\u64da\u8f49\u63db\u3002<\/p>\n","protected":false},"author":0,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-195003","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195003","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=195003"}],"version-history":[{"count":1,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195003\/revisions"}],"predecessor-version":[{"id":195004,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/195003\/revisions\/195004"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=195003"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=195003"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=195003"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}