{"id":29953,"date":"2022-11-14T18:55:24","date_gmt":"2022-09-19T23:19:30","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb%e5%91%bd%e4%bb%a4%e5%92%8c%e6%9f%a5%e8%af%a2%e5%a4%87%e5%bf%98%e5%bd%95\/"},"modified":"2025-08-12T16:45:31","modified_gmt":"2025-08-12T08:45:31","slug":"mongodb%e5%91%bd%e4%bb%a4%e5%92%8c%e6%9f%a5%e8%af%a2%e5%a4%87%e5%bf%98%e5%bd%95","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/mongodb%e5%91%bd%e4%bb%a4%e5%92%8c%e6%9f%a5%e8%af%a2%e5%a4%87%e5%bf%98%e5%bd%95\/","title":{"rendered":"MongoDB\u547d\u4ee4\u548c\u67e5\u8be2\u5907\u5fd8\u5f55"},"content":{"rendered":"

\u7531\u4e8e\u6700\u8fd1\u6709\u673a\u4f1a\u63a5\u89e6\u5230MongoDB\uff0c\u6240\u4ee5\u6211\u6574\u7406\u4e86\u4e00\u4e0b\u5e38\u7528\u7684MongoDB\u547d\u4ee4\u548c\u67e5\u8be2\u3002<\/p>\n

\u6570\u636e\u5e93\u5217\u8868<\/h3>\n
show dbs\r\n<\/code><\/pre>\n
\u9009\u62e9\u4f7f\u7528\u7684\u6570\u636e\u5e93\u3001\u521b\u5efa\u6570\u636e\u5e93<\/h3>\n
use dbname\r\n<\/code><\/pre>\n
\u5982\u679c\u6ca1\u6709\u6570\u636e\u5e93\uff0c\u5c31\u4f1a\u521b\u5efa\u4e00\u4e2a\u3002<\/p>\n
\u5220\u9664\u6570\u636e\u5e93<\/h3>\n
db.dropDatabase()\r\n<\/code><\/pre>\n
\u6536\u85cf\u5217\u8868<\/h3>\n
show collections\r\n<\/code><\/pre>\n
\u6536\u85cf\u54c1\u590d\u5236<\/h3>\n
db.collectionname.copyTo(\"collectionname2\")\r\n<\/code><\/pre>\n
\u521b\u5efa\u6536\u85cf\u5939<\/h3>\n
db.createCollection(\"collectionname\")\r\n<\/code><\/pre>\n
\u5220\u9664\u6536\u85cf<\/h3>\n
db.collectionname.drop()\r\n<\/code><\/pre>\n
\u641c\u7d22\u7ed3\u679c\u663e\u793a<\/h3>\n
db.collectionname.find({}).orderBy({col1: 1}).limit(10).skip(10).toArray()\r\ndb.collectionname.find({col1: \"aaa\", col2: {$ne: \"bbb\"}, col3: {$lt: 10}}, {col1: true}).sort({col1: 1, col2: -1}).limit(10).skip(10).toArray()\r\n<\/code><\/pre>\n
\u627e\u5230\u7684\u7b2c\u4e8c\u4e2a\u53c2\u6570\u662f\u6307\u5b9a\u8981\u663e\u793a\u6216\u9690\u85cf\u7684\u5217\u3002
\n\u6392\u5e8f\u7684\u503c\u4e3a1\u8868\u793a\u5347\u5e8f\uff0c-1\u8868\u793a\u964d\u5e8f\u3002
\n\u8df3\u8fc7\u76f8\u5f53\u4e8eMySQL\u7b49\u6570\u636e\u5e93\u7684\u504f\u79fb\u91cf\uff08offset\uff09\u3002<\/p>\n
\u6570\u636e\u521b\u5efa<\/h3>\n
db.collectionname.insert({col1: \"aaa\", col2: \"bbb\", col3: \"ccc\"})\r\n<\/code><\/pre>\n
\u6570\u636e\u66f4\u65b0<\/h3>\n
db.collectionname.update({col1: \"aaa\"}, {$set: {col1: \"aaaa\", col2: \"bbbbb\", col4: {a: 1, b: 2} }})\r\n<\/code><\/pre>\n
\u5982\u679c\u4e0d\u8bbe\u7f6e”$set”\uff0c\u6570\u636e\u5c06\u88ab\u5b8c\u5168\u66f4\u6539\u4e3a\u6307\u5b9a\u7684\u5185\u5bb9\uff0c\u6240\u4ee5\u8bf7\u6ce8\u610f\u3002<\/p>\n
db.collectionname.update({col1: \"aaaa\"}, {$unset: {col2: 1, col4.a: 1}})\r\n<\/code><\/pre>\n
\u5728\u4e2d\u56fd\uff0c\u6839\u636e$unset\u6307\u5b9a\u7684\u503c\u4e0d\u4f1a\u4ea7\u751f\u5f71\u54cd\u3002\u60a8\u4e5f\u53ef\u4ee5\u53ea\u5bf9\u7279\u5b9a\u7684\u5d4c\u5957\u6570\u503c\u8fdb\u884cunset\uff0c\u4f8b\u5982col4.a\u3002<\/p>\n
db.collectionname.update({col1: \"aaaa\"}, {$unset: {col2: 1, col4.a: 1}, {upsert: false, multi: true}})\r\n<\/code><\/pre>\n
\u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0cupdate\u53ea\u4f1a\u66f4\u65b0\u4e00\u4e2a\u6570\u636e\u3002\u5982\u679c\u8981\u66f4\u65b0\u591a\u4e2a\u6570\u636e\uff0c\u53ef\u4ee5\u6dfb\u52a0\u53c2\u6570\uff0c\u5e76\u6307\u5b9amulti: true\u9009\u9879\u3002
\n\u5f53\u5c06upsert\u9009\u9879\u8bbe\u7f6e\u4e3atrue\u65f6\uff0c\u5982\u679c\u6ca1\u6709\u76f8\u5e94\u7684\u6570\u636e\uff0c\u5c06\u4f1a\u521b\u5efa\u8be5\u6570\u636e\u3002<\/p>\n
\u6570\u636e\u5e93\u8f6c\u50a8<\/h3>\n
mongodump --db databasename --out dirname\r\n<\/code><\/pre>\n
\u6307\u5b9a\u7684\u76ee\u5f55\u5c06\u88ab\u521b\u5efa\uff0c\u5e76\u5728\u5176\u4e2d\u4ee5\u6570\u636e\u5e93\u540d\u79f0\u7684\u76ee\u5f55\/\u6bcf\u4e2a\u6587\u4ef6\u7684\u5f62\u5f0f\u521b\u5efajson\u548cbson\u6587\u4ef6\u3002<\/p>\n
\u6570\u636e\u5e93\u6062\u590d<\/h3>\n
mongorestore --db databasename dirname\r\n<\/code><\/pre>\n
dirname\u53c2\u6570\u7528\u4e8e\u6307\u5b9a\u8f6c\u50a8\u6587\u4ef6\u6216\u6587\u4ef6\u6240\u5728\u7684\u76ee\u5f55\u540d\u79f0\u3002
\n\u5982\u679c\u6307\u5b9a\u4e86\u4e0d\u5b58\u5728\u7684\u6570\u636e\u5e93\u540d\u79f0\uff0c\u5c06\u521b\u5efa\u8be5\u6570\u636e\u5e93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u7531\u4e8e\u6700\u8fd1\u6709\u673a\u4f1a\u63a5\u89e6\u5230MongoDB\uff0c\u6240\u4ee5\u6211\u6574\u7406\u4e86\u4e00\u4e0b\u5e38\u7528\u7684MongoDB\u547d\u4ee4\u548c\u67e5\u8be2\u3002 \u6570\u636e\u5e93\u5217\u8868 show d […]<\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[227],"class_list":["post-29953","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-227"],"yoast_head":"\nMongoDB\u547d\u4ee4\u548c\u67e5\u8be2\u5907\u5fd8\u5f55 - Blog - Silicon Cloud<\/title>\n<meta name=\"description\" content=\"\u5173\u4e8eMongoDB\u547d\u4ee4\u548c\u67e5\u8be2\u5907\u5fd8\u5f55\u7684\u6280\u672f\u6587\u7ae0\" \/>\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.silicloud.com\/zh\/blog\/mongodb\u547d\u4ee4\u548c\u67e5\u8be2\u5907\u5fd8\u5f55\/\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MongoDB\u547d\u4ee4\u548c\u67e5\u8be2\u5907\u5fd8\u5f55\" \/>\n<meta property=\"og:description\" content=\"\u5173\u4e8eMongoDB\u547d\u4ee4\u548c\u67e5\u8be2\u5907\u5fd8\u5f55\u7684\u6280\u672f\u6587\u7ae0\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.silicloud.com\/zh\/blog\/mongodb\u547d\u4ee4\u548c\u67e5\u8be2\u5907\u5fd8\u5f55\/\" \/>\n<meta property=\"og:site_name\" content=\"Blog - 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