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\/>\n3\u3001\u547d\u4ee4\u884cshell<\/p>\n<h1>1\u3001mongo 127.0.0.1:27017\/config #\u8fde\u63a5\u5230\u4efb\u4f55\u6570\u636e\u5e93config<\/h1>\n<h1>2\u3001mongo &#8211;nodb #\u4e0d\u8fde\u63a5\u5230\u4efb\u4f55\u6570\u636e\u5e93<\/h1>\n<h1>3\u3001\u542f\u52a8\u4e4b\u540e\uff0c\u5728\u9700\u8981\u65f6\u8fd0\u884cnew Mongo(hostname)\u547d\u4ee4\u5c31\u53ef\u4ee5\u8fde\u63a5\u5230\u60f3\u8981\u7684mongod\u4e86\uff1a<\/h1>\n<blockquote>\n<p>conn=new Mongo(&#8216;127.0.0.1:27017&#8217;)<br \/>\nconnection to 127.0.0.1:27017<br \/>\ndb=conn.getDB(&#8216;admin&#8217;)<br \/>\nadmin<\/p>\n<\/blockquote>\n<h1>4\u3001help\u67e5\u770b\u5e2e\u52a9<\/h1>\n<h1>5\u3001mongo\u65f6\u4e00\u4e2a\u7b80\u5316\u7684JavaScript shell\uff0c\u662f\u53ef\u4ee5\u6267\u884cJavaScript\u811a\u672c\u7684<\/h1>\n<p>\u56db \u57fa\u672c\u6570\u636e\u7c7b\u578b<br \/>\n1\u3001\u5728\u6982\u5ff5\u4e0a\uff0cMongoDB\u7684\u6587\u6863\u4e0eJavascript\u7684\u5bf9\u8c61\u76f8\u8fd1\uff0c\u56e0\u800c\u53ef\u4ee5\u8ba4\u4e3a\u5b83\u7c7b\u4f3c\u4e8eJSON\u3002JSON\uff08<a href=\"http:\/\/www.json.org\uff09\u662f\u4e00\u79cd\u7b80\u5355\u7684\u6570\u636e\u8868\u793a\u65b9\u5f0f\uff1a\u5176\u89c4\u8303\u4ec5\u7528\u4e00\u6bb5\u6587\u5b57\u5c31\u80fd\u63cf\u8ff0\u6e05\u695a\uff08\u5176\u5b98\u7f51\u8bc1\u660e\u4e86\u8fd9\u70b9\uff09\uff0c\u4e14\u4ec5\u5305\u542b\u516d\u79cd\u6570\u636e\u7c7b\u578b\">http:\/\/www.json.org\uff09\u662f\u4e00\u79cd\u7b80\u5355\u7684\u6570\u636e\u8868\u793a\u65b9\u5f0f\uff1a\u5176\u89c4\u8303\u4ec5\u7528\u4e00\u6bb5\u6587\u5b57\u5c31\u80fd\u63cf\u8ff0\u6e05\u695a\uff08\u5176\u5b98\u7f51\u8bc1\u660e\u4e86\u8fd9\u70b9\uff09\uff0c\u4e14\u4ec5\u5305\u542b\u516d\u79cd\u6570\u636e\u7c7b\u578b<\/a>\u3002<\/p>\n<p>2\u3001\u8fd9\u6837\u6709\u5f88\u591a\u597d\u5904\uff1a\u6613\u4e8e\u7406\u89e3\u3001\u6613\u4e8e\u89e3\u6790\u3001\u6613\u4e8e\u8bb0\u5fc6\u3002\u7136\u800c\u4ece\u53e6\u4e00\u65b9\u9762\u8bf4\uff0c\u56e0\u4e3a\u53ea\u6709null\u3001\u5e03\u5c14\u3001\u6570\u5b57\u3001\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u548c\u5bf9\u8c61\u8fd9\u51e0\u79cd\u6570\u636e\u7c7b\u578b\uff0c\u6240\u4ee5JSON\u7684\u8868\u8fbe\u80fd\u529b\u6709\u4e00\u5b9a\u7684\u5c40\u9650\u3002<\/p>\n<p>3\u3001\u867d\u7136JSON\u5177\u5907\u7684\u8fd9\u4e9b\u7c7b\u578b\u5df2\u7ecf\u5177\u6709\u5f88\u5f3a\u7684\u8868\u73b0\u529b\uff0c\u4f46\u7edd\u5927\u6570\u5e94\u7528\uff08\u5c24\u5176\u662f\u5728\u4e8e\u6570\u636e\u5e93\u6253\u4ea4\u9053\u65f6\uff09\u90fd\u8fd8\u9700\u8981\u5176\u4ed6\u4e00\u4e9b\u91cd\u8981\u7684\u7c7b\u578b\u3002\u4f8b\u5982\uff0cJSON\u6ca1\u6709\u65e5\u671f\u7c7b\u578b\uff0c\u8fd9\u4f7f\u5f97\u539f\u672c\u5bb9\u6613\u65e5\u671f\u5904\u7406\u53d8\u5f97\u70e6\u4eba\u3002\u53e6\u5916\uff0cJSON\u53ea\u6709\u4e00\u79cd\u6570\u5b57\u7c7b\u578b\uff0c\u65e0\u6cd5\u533a\u5206\u6d6e\u70b9\u6570\u548c\u6574\u6570\uff0c\u66f4\u522b\u533a\u520632\u4f4d\u548c64\u4f4d\u4e86\u3002\u518d\u8005JSON\u65e0\u6cd5\u8868\u793a\u5176\u4ed6\u4e00\u4e9b\u901a\u7528\u7c7b\u578b\uff0c\u5982\u6b63\u5219\u8868\u8fbe\u5f0f\u6216\u51fd\u6570\u3002<\/p>\n<p>4\u3001MongoDB\u5728\u4fdd\u7559\u4e86JSON\u57fa\u672c\u952e\/\u503c\u5bf9\u7279\u6027\u7684\u57fa\u7840\u4e0a\uff0c\u6dfb\u52a0\u4e86\u5176\u4ed6\u4e00\u4e9b\u6570\u636e\u7c7b\u578b\u3002\u5728\u4e0d\u540c\u7684\u7f16\u7a0b\u8bed\u8a00\u4e0b\uff0c\u8fd9\u4e9b\u7c7b\u578b\u7684\u786e\u5207\u8868\u793a\u6709\u4e9b\u8bb8\u5dee\u5f02\u3002\u4e0b\u9762\u8bf4\u660e\u4e86MongoDB\u652f\u6301\u7684\u5176\u4ed6\u901a\u7528\u7c7b\u578b\uff0c\u4ee5\u53ca\u5982\u4f55\u6b63\u5728\u6587\u6863\u4e2d\u4f7f\u7528\u5b83\u4eec<\/p>\n<p>View Code<br \/>\n5\u3001_id\u548cObjectId<\/p>\n<p>View Code<br \/>\n\u4e94 CRUD\u64cd\u4f5c<br \/>\n1\u3001\u6570\u636e\u5e93\u64cd\u4f5c<\/p>\n<h1>1\u3001\u589e<\/h1>\n<p>use config #\u5982\u679c\u6570\u636e\u5e93\u4e0d\u5b58\u5728\uff0c\u5219\u521b\u5efa\u6570\u636e\u5e93\uff0c\u5426\u5219\u5207\u6362\u5230\u6307\u5b9a\u6570\u636e\u5e93\u3002<\/p>\n<h1>2\u3001\u67e5<\/h1>\n<p>show dbs #\u67e5\u770b\u6240\u6709<br \/>\n\u53ef\u4ee5\u770b\u5230\uff0c\u6211\u4eec\u521a\u521b\u5efa\u7684\u6570\u636e\u5e93config\u5e76\u4e0d\u5728\u6570\u636e\u5e93\u7684\u5217\u8868\u4e2d\uff0c \u8981\u663e\u793a\u5b83\uff0c\u6211\u4eec\u9700\u8981\u5411config\u6570\u636e\u5e93\u63d2\u5165\u4e00\u4e9b\u6570\u636e\u3002<br \/>\ndb.table1.insert({&#8216;a&#8217;:1})<\/p>\n<h1>3\u3001\u5220<\/h1>\n<p>use config #\u5148\u5207\u6362\u5230\u8981\u5220\u7684\u5e93\u4e0b<br \/>\ndb.dropDatabase() #\u5220\u9664\u5f53\u524d\u5e93<br \/>\n2\u3001\u96c6\u5408\u64cd\u4f5c<\/p>\n<h1>1\u3001\u589e<\/h1>\n<p>\u5f53\u7b2c\u4e00\u4e2a\u6587\u6863\u63d2\u5165\u65f6\uff0c\u96c6\u5408\u5c31\u4f1a\u88ab\u521b\u5efa<\/p>\n<blockquote>\n<p>use database1<br \/>\nswitched to db database1<br \/>\ndb.table1.insert({&#8216;a&#8217;:1})<br \/>\nWriteResult({ &quot;nInserted&quot; : 1 })<br \/>\ndb.table2.insert({&#8216;b&#8217;:2})<br \/>\nWriteResult({ &quot;nInserted&quot; : 1 })<\/p>\n<\/blockquote>\n<h1>2\u3001\u67e5<\/h1>\n<blockquote>\n<p>show tables<br \/>\ntable1<br \/>\ntable2<\/p>\n<\/blockquote>\n<h1>3\u3001\u5220<\/h1>\n<blockquote>\n<p>db.table1.drop()<br \/>\ntrue<br \/>\nshow tables<br \/>\ntable2<br \/>\n3\u3001\u6587\u6863\u64cd\u4f5c<\/p>\n<\/blockquote>\n<p>\u589e<\/p>\n<p>\u5355\u6761\u63d2\u5165\u4e0e\u591a\u6761\u63d2\u5165<br \/>\n\u67e5<\/p>\n<p>\u6bd4\u8f83\u8fd0\u7b97<br \/>\n\u903b\u8f91\u8fd0\u7b97<br \/>\n\u6210\u5458\u8fd0\u7b97<br \/>\n\u6b63\u5219\u5339\u914d<br \/>\n\u53d6\u6307\u5b9a\u7684\u5b57\u6bb5<br \/>\n\u67e5\u8be2\u6570\u7ec4<br \/>\n\u6392\u5e8f<br \/>\n\u5206\u9875<br \/>\n\u83b7\u53d6\u6570\u91cf<br \/>\n\u6742\u9879<br \/>\n\u6539<\/p>\n<p>update\u8bed\u6cd5\u4ecb\u7ecd<br \/>\n\u8986\u76d6\u5f0f<br \/>\n\u8bbe\u7f6e\uff1a$set<br \/>\n\u589e\u52a0\u548c\u51cf\u5c11\uff1a$inc<br \/>\n\u6dfb\u52a0\u5220\u9664\u6570\u7ec4\u5185\u5143\u7d20\uff1a$push,$pop,$pull<br \/>\n\u907f\u514d\u6dfb\u52a0\u91cd\u590d\uff1a&quot;$addToSet&quot;<br \/>\n\u5176\u4ed6<br \/>\n\u5220<\/p>\n<p>View Code<br \/>\n4\u3001\u805a\u5408<\/p>\n<p>\u5982\u679c\u4f60\u6709\u6570\u636e\u5b58\u50a8\u5728MongoDB\u4e2d\uff0c\u4f60\u60f3\u505a\u7684\u53ef\u80fd\u5c31\u4e0d\u4ec5\u4ec5\u662f\u5c06\u6570\u636e\u63d0\u53d6\u51fa\u6765\u90a3\u4e48\u7b80\u5355\u4e86\uff1b\u4f60\u53ef\u80fd\u5e0c\u671b\u5bf9\u6570\u636e\u8fdb\u884c\u5206\u6790\u5e76\u52a0\u4ee5\u5229\u7528\u3002MongoDB\u63d0\u4f9b\u4e86\u4ee5\u4e0b\u805a\u5408\u5de5\u5177\uff1a<\/p>\n<h1>1\u3001\u805a\u5408\u6846\u67b6<\/h1>\n<h1>2\u3001MapReduce(\u8be6\u89c1MongoDB\u6743\u5a01\u6307\u5357)<\/h1>\n<h1>3\u3001\u51e0\u4e2a\u7b80\u5355\u805a\u5408\u547d\u4ee4\uff1acount\u3001distinct\u548cgroup\u3002(\u8be6\u89c1MongoDB\u6743\u5a01\u6307\u5357)<\/h1>\n<h1>\u805a\u5408\u6846\u67b6\uff1a<\/h1>\n<p>\u53ef\u4ee5\u4f7f\u7528\u591a\u4e2a\u6784\u4ef6\u521b\u5efa\u4e00\u4e2a\u7ba1\u9053\uff0c\u4e0a\u4e00\u4e2a\u6784\u4ef6\u7684\u7ed3\u679c\u4f20\u7ed9\u4e0b\u4e00\u4e2a\u6784\u4ef6\u3002<br \/>\n\u8fd9\u4e9b\u6784\u4ef6\u5305\u62ec\uff08\u62ec\u53f7\u5185\u4e3a\u6784\u4ef6\u5bf9\u5e94\u7684\u64cd\u4f5c\u7b26\uff09\uff1a\u7b5b\u9009($match)\u3001\u6295\u5c04($project)\u3001\u5206\u7ec4($group)\u3001\u6392\u5e8f($sort)\u3001\u9650\u5236($limit)\u3001\u8df3\u8fc7($skip)<br \/>\n\u4e0d\u540c\u7684\u7ba1\u9053\u64cd\u4f5c\u7b26\u53ef\u4ee5\u4efb\u610f\u7ec4\u5408\uff0c\u91cd\u590d\u4f7f\u7528<br \/>\n\u51c6\u5907\u6570\u636e<br \/>\n\u7b5b\u9009\uff1a$match<br \/>\n\u6295\u5c04\uff1a$project<br \/>\n\u5206\u7ec4\uff1a$group<br \/>\n\u6392\u5e8f\uff1a$sort\u3001\u9650\u5236\uff1a$limit\u3001\u8df3\u8fc7\uff1a$skip<br \/>\n\u968f\u673a\u9009\u53d6n\u4e2a\uff1a$sample<br \/>\n\u7ec3\u4e60\u9898\uff1a<\/p>\n<ol>\n<li>\u67e5\u8be2\u5c97\u4f4d\u540d\u4ee5\u53ca\u5404\u5c97\u4f4d\u5185\u7684\u5458\u5de5\u59d3\u540d<\/li>\n<li>\u67e5\u8be2\u5c97\u4f4d\u540d\u4ee5\u53ca\u5404\u5c97\u4f4d\u5185\u5305\u542b\u7684\u5458\u5de5\u4e2a\u6570<\/li>\n<li>\u67e5\u8be2\u516c\u53f8\u5185\u7537\u5458\u5de5\u548c\u5973\u5458\u5de5\u7684\u4e2a\u6570<\/li>\n<li>\u67e5\u8be2\u5c97\u4f4d\u540d\u4ee5\u53ca\u5404\u5c97\u4f4d\u7684\u5e73\u5747\u85aa\u8d44\u3001\u6700\u9ad8\u85aa\u8d44\u3001\u6700\u4f4e\u85aa\u8d44<\/li>\n<li>\u67e5\u8be2\u7537\u5458\u5de5\u4e0e\u7537\u5458\u5de5\u7684\u5e73\u5747\u85aa\u8d44\uff0c\u5973\u5458\u5de5\u4e0e\u5973\u5458\u5de5\u7684\u5e73\u5747\u85aa\u8d44<\/li>\n<li>\u67e5\u8be2\u5404\u5c97\u4f4d\u5185\u5305\u542b\u7684\u5458\u5de5\u4e2a\u6570\u5c0f\u4e8e2\u7684\u5c97\u4f4d\u540d\u3001\u5c97\u4f4d\u5185\u5305\u542b\u5458\u5de5\u540d\u5b57\u3001\u4e2a\u6570<\/li>\n<li>\u67e5\u8be2\u5404\u5c97\u4f4d\u5e73\u5747\u85aa\u8d44\u5927\u4e8e10000\u7684\u5c97\u4f4d\u540d\u3001\u5e73\u5747\u5de5\u8d44<\/li>\n<li>\u67e5\u8be2\u5404\u5c97\u4f4d\u5e73\u5747\u85aa\u8d44\u5927\u4e8e10000\u4e14\u5c0f\u4e8e20000\u7684\u5c97\u4f4d\u540d\u3001\u5e73\u5747\u5de5\u8d44<\/li>\n<li>\u67e5\u8be2\u6240\u6709\u5458\u5de5\u4fe1\u606f\uff0c\u5148\u6309\u7167age\u5347\u5e8f\u6392\u5e8f\uff0c\u5982\u679cage\u76f8\u540c\u5219\u6309\u7167hire_date\u964d\u5e8f\u6392\u5e8f<\/li>\n<li>\u67e5\u8be2\u5404\u5c97\u4f4d\u5e73\u5747\u85aa\u8d44\u5927\u4e8e10000\u7684\u5c97\u4f4d\u540d\u3001\u5e73\u5747\u5de5\u8d44,\u7ed3\u679c\u6309\u5e73\u5747\u85aa\u8d44\u5347\u5e8f\u6392\u5217<\/li>\n<li>\u67e5\u8be2\u5404\u5c97\u4f4d\u5e73\u5747\u85aa\u8d44\u5927\u4e8e10000\u7684\u5c97\u4f4d\u540d\u3001\u5e73\u5747\u5de5\u8d44,\u7ed3\u679c\u6309\u5e73\u5747\u85aa\u8d44\u964d\u5e8f\u6392\u5217,\u53d6\u524d1\u4e2a<br \/>\nView Code<br \/>\n\u516d \u53ef\u89c6\u5316\u5de5\u5177<br \/>\n\u94fe\u63a5\uff1a<a href=\"https:\/\/robomongo.org\/\">https:\/\/robomongo.org\/<\/a><\/li>\n<\/ol>\n<p>\u4e03 pymongo<br \/>\n\u5b98\u7f51\uff1a<a href=\"http:\/\/api.mongodb.com\/python\/current\/tutorial.html\">http:\/\/api.mongodb.com\/python\/current\/tutorial.html<\/a><\/p>\n<p>View Code<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4e00 \u7b80\u4ecb MongoDB\u662f\u4e00\u6b3e\u5f3a\u5927\u3001\u7075\u6d3b\u3001\u4e14\u6613\u4e8e\u6269\u5c55\u7684\u901a\u7528\u578b\u6570\u636e\u5e93 1\u3001\u6613\u7528\u6027 MongoDB\u662f\u4e00\u4e2a\u9762\u5411\u6587\u6863\uff08 [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[342,347],"tags":[],"_links":{"self":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4554"}],"collection":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=4554"}],"version-history":[{"count":0,"href":"https:\/\/egonlin.com\/index.php?rest_route=\/wp\/v2\/posts\/4554\/revisions"}],"wp:attachment":[{"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=4554"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=4554"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/egonlin.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=4554"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}