mongoDB基本操做

1. 插入java j = {name:"mongo"}; t = {x:3}; db.things.save(j); db.things.save(t); db.things.find();   结果：sql { "_id" : ObjectId("513b3741d003e00702f229bd"), "name" : "mongo" } { "_id" : ObjectId("513b3

>>阅读原文<<