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\u9396\u662f\u4e00\u7a2e\u540c\u6b65\u6a5f\u5236\uff0c\u7528\u65bc\u63a7\u5236\u5c0d\u5171\u4eab\u8cc7\u6e90\u7684\u8a2a\u554f\u3002\u5728MongoDB\u4e2d\uff0c\u9396\u7684\u4e3b\u8981\u76ee\u7684\u662f\u9632\u6b62\u591a\u500b\u64cd\u4f5c\u540c\u6642\u4fee\u6539\u540c\u4e00\u8cc7\u6599\uff0c\u5f9e\u800c\u5c0e\u81f4\u8cc7\u6599\u4e0d\u4e00\u81f4\u7684\u60c5\u6cc1\u3002MongoDB\u4f7f\u7528\u9396\u4f86\u78ba\u4fdd\u8cc7\u6599\u7684\u5b8c\u6574\u6027\uff0c\u7279\u5225\u662f\u5728\u57f7\u884c\u5beb\u5165\u64cd\u4f5c\u6642\u3002<\/p>\n
MongoDB\u7684\u9396\u53ef\u4ee5\u5206\u70ba\u4ee5\u4e0b\u5e7e\u7a2e\u985e\u578b\uff1a<\/p>\n
\u5728MongoDB\u4e2d\uff0c\u9396\u7684\u904b\u4f5c\u662f\u57fa\u65bc\u591a\u7248\u672c\u4e26\u767c\u63a7\u5236\uff08MVCC\uff09\u539f\u7406\u3002\u7576\u4e00\u500b\u5beb\u5165\u64cd\u4f5c\u767c\u751f\u6642\uff0cMongoDB\u6703\u9996\u5148\u6aa2\u67e5\u662f\u5426\u6709\u5176\u4ed6\u64cd\u4f5c\u6b63\u5728\u8a2a\u554f\u76f8\u540c\u7684\u8cc7\u6599\u3002\u5982\u679c\u6c92\u6709\uff0c\u5247\u8a72\u64cd\u4f5c\u53ef\u4ee5\u7372\u5f97\u9396\u4e26\u57f7\u884c\uff1b\u5982\u679c\u6709\uff0c\u5247\u8a72\u64cd\u4f5c\u5c07\u88ab\u963b\u585e\uff0c\u76f4\u5230\u5176\u4ed6\u64cd\u4f5c\u5b8c\u6210\u3002<\/p>\n
\u4f8b\u5982\uff0c\u8003\u616e\u4ee5\u4e0b\u7684\u5beb\u5165\u64cd\u4f5c\uff1a<\/p>\n
db.collection.update({name: \"Alice\"}, {$set: {age: 30}});<\/code><\/pre>\n\u5728\u9019\u500b\u4f8b\u5b50\u4e2d\uff0c\u5982\u679c\u540c\u6642\u6709\u53e6\u4e00\u500b\u64cd\u4f5c\u8a66\u5716\u66f4\u65b0\u540c\u4e00\u500b\u6587\u4ef6\uff0cMongoDB\u5c07\u6703\u963b\u6b62\u5176\u4e2d\u4e00\u500b\u64cd\u4f5c\uff0c\u76f4\u5230\u53e6\u4e00\u500b\u64cd\u4f5c\u5b8c\u6210\u3002<\/p>\n
\u9396\u7684\u6027\u80fd\u5f71\u97ff<\/h2>\n
\u96d6\u7136\u9396\u5728\u78ba\u4fdd\u8cc7\u6599\u4e00\u81f4\u6027\u65b9\u9762\u81f3\u95dc\u91cd\u8981\uff0c\u4f46\u5b83\u5011\u4e5f\u53ef\u80fd\u5c0d\u6027\u80fd\u7522\u751f\u8ca0\u9762\u5f71\u97ff\u3002\u7279\u5225\u662f\u5728\u9ad8\u4e26\u767c\u7684\u74b0\u5883\u4e2d\uff0c\u9396\u7684\u7af6\u722d\u53ef\u80fd\u5c0e\u81f4\u5ef6\u9072\u548c\u6027\u80fd\u4e0b\u964d\u3002\u56e0\u6b64\uff0c\u4e86\u89e3\u9396\u7684\u904b\u4f5c\u539f\u7406\u548c\u985e\u578b\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u8a2d\u8a08\u66f4\u9ad8\u6548\u7684\u8cc7\u6599\u5eab\u64cd\u4f5c\u3002<\/p>\n
\u70ba\u4e86\u6e1b\u5c11\u9396\u7684\u5f71\u97ff\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8003\u616e\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n
\n- \u512a\u5316\u67e5\u8a62\uff1a\u78ba\u4fdd\u67e5\u8a62\u6548\u7387\uff0c\u4ee5\u6e1b\u5c11\u9396\u6301\u6709\u7684\u6642\u9593\u3002<\/li>\n
- \u4f7f\u7528\u7d22\u5f15\uff1a\u9069\u7576\u7684\u7d22\u5f15\u53ef\u4ee5\u52a0\u5feb\u67e5\u8a62\u901f\u5ea6\uff0c\u5f9e\u800c\u6e1b\u5c11\u9396\u7684\u7af6\u722d\u3002<\/li>\n
- \u5206\u7247\uff1a\u5c0d\u65bc\u5927\u578b\u8cc7\u6599\u96c6\uff0c\u8003\u616e\u4f7f\u7528\u5206\u7247\u6280\u8853\u4f86\u5206\u6563\u8ca0\u8f09\uff0c\u6e1b\u5c11\u9396\u7684\u5f71\u97ff\u3002<\/li>\n<\/ul>\n
\u7e3d\u7d50<\/h2>\n
MongoDB\u4e2d\u7684\u9396\u662f\u78ba\u4fdd\u8cc7\u6599\u4e00\u81f4\u6027\u548c\u5b8c\u6574\u6027\u7684\u91cd\u8981\u6a5f\u5236\u3002\u4e86\u89e3\u4e0d\u540c\u985e\u578b\u7684\u9396\u53ca\u5176\u904b\u4f5c\u539f\u7406\uff0c\u53ef\u4ee5\u5e6b\u52a9\u958b\u767c\u8005\u5728\u8a2d\u8a08\u8cc7\u6599\u5eab\u6642\u505a\u51fa\u66f4\u660e\u667a\u7684\u6c7a\u7b56\u3002\u96a8\u8457\u8cc7\u6599\u5eab\u6280\u8853\u7684\u767c\u5c55\uff0c\u5c0d\u9396\u7684\u7ba1\u7406\u548c\u512a\u5316\u5c07\u6210\u70ba\u63d0\u5347\u6027\u80fd\u7684\u95dc\u9375\u56e0\u7d20\u3002<\/p>\n
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