weixin_42194337的博客

pymongo 连接 from pymongo import * # 创建链接对象 client = MongoClient('127.0.0.1',27017) # 获取操作句柄 db = client.newdb print(db) 插入 插入一条数据 dict1 = {'name':'luke','age':12} ret = db.a.insert_one(dict1) print(...

备份 打开新窗口 -h：指定的是数据库以及端口 -d：指定需要备份的数据库的名字 -o：指定的是备份在哪个路径下 python@ubuntu:~$ mongodump -h 127.0.0.1:27017 -d newdb -o ~/Desktop/mongo/ 2019-12-30T15:18:45.989+0800 writing newdb.b to 2019-12-30T15:18:...

索引 添加数据： > for(i=0;i<1000;i++){ ... db.b.insert({name:'张'+i+'毛',age:i}) ... } WriteResult({ "nInserted" : 1 }) > db.b.find() { "_id" : ObjectId("5e09a076071357a135256d07"), "name" : "张0毛", "...

数据操作 插入一条 > db.a.insert({name:'张三',age:18}) WriteResult({ "nInserted" : 1 }) > dict1 = {name:'李四'} { "name" : "李四" } > dict1.gender = '男' 男 > db.a.insert(dict1) WriteResult({ "nInserted" ...

数据库操作 python@ubuntu:~$ mongo MongoDB shell version: 3.2.8 connecting to: test Server has startup warnings: 2019-12-26T19:04:08.000+0800 I CONTROL [initandlisten] ** WARNING: You are running this pro...