#创建新的集合yb

> for(i=0;i<10;i++){db.yb.insert({'i':i})}
WriteResult({ "nInserted" : 1 })
> show collections

#重命名集合为yb2

> db.yb.renameCollection('yb2');
{ "ok" : 1 }
> show collections
yb2
>

跨数据库重名集合

> use test
switched to db test
> show collections
yb1
> use test2
switched to db test2
> show collections
> db.runCommand({renameCollection:"test.yb1",to:"test2.yb",dropTarget:true});
{
        "ok" : 0,
        "errmsg" : "renameCollection may only be run against the admin database.",
        "code" : 13
}
> show collections
> use admin
switched to db admin
> db.runCommand({renameCollection:"test.yb1",to:"test2.yb",dropTarget:true});
{ "ok" : 1 }
>

nodejs 中修改集合名称 数据库为users 原集合名称abc 修改成def

var MongoClient = require('mongodb').MongoClient;
//定义mongodb服务器连接地址
var mongoUrl = "mongodb://localhost:27017/";

MongoClient.connect(mongoUrl,function(err,db){
  if (err) throw err;
  var dbo = db.db("users");
  //修改集合名称
  dbo.collection('abc').rename('def',function(err,dda){
    console.log(dda);
  })
//获取所有集合名称
  dbo.admin().listDatabases(function(err,dbs){
    console.log(dbs);
  })

})