MongoDB

1.创建数据库

 use mycompany

2.添加collection
MongoDB Enterprise > db.city.insert({
... name:'Berlin',
... population:3520031,
... famous_list:['Brandenburger Tor','Reichstag building','Charlotten'],
... mayor:{name:'Michael Müller',party:'SPD'}
... })
WriteResult({ "nInserted" : 1 })

3.查找数据

WriteResult({ "nInserted" : 1 })
MongoDB Enterprise > db.city.find({'population':{$gt:300000}})
{ "_id" : ObjectId("5852dd14e9c58700b66648c7"), "name" : "Mun