MongoDB: 1. Database
server32:$ ./mongo
MongoDB shell version: 1.5.4
connecting to: test
> db.copyDatabase("blog", "blog", "192.168.1.202") // 从源服务器复制 blog 数据库
{ "ok" : true }
> show dbs // 复制成功
admin
blog
local
> use blog
switched to db blog
> show collections
system.indexes
users
> db.users.find()
{ "_id" : ObjectId("4c33fadb15b7f104d297e644"), "name" : "user0", "age" : 0 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e645"), "name" : "user1", "age" : 1 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e646"), "name" : "user2", "age" : 2 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e647"), "name" : "user3", "age" : 3 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e648"), "name" : "user4", "age" : 4 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e649"), "name" : "user5", "age" : 5 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e64a"), "name" : "user6", "age" : 6 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e64b"), "name" : "user7", "age" : 7 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e64c"), "name" : "user8", "age" : 8 }
{ "_id" : ObjectId("4c33fadb15b7f104d297e64d"), "name" : "user9", "age" : 9 }
> use news
switched to db news
> db.cloneDatabase("192.168.1.202") // 从源服务器克隆当前数据库(news)
{ "ok" : true }
> show dbs
admin
blog
local
news
> show collections
articles
system.indexes
> db.articles.find()
{ "_id" : ObjectId("4c33fb6215b7f104d297e64e"), "title" : "title0" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e64f"), "title" : "title1" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e650"), "title" : "title2" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e651"), "title" : "title3" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e652"), "title" : "title4" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e653"), "title" : "title5" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e654"), "title" : "title6" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e655"), "title" : "title7" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e656"), "title" : "title8" }
{ "_id" : ObjectId("4c33fb6215b7f104d297e657"), "title" : "title9" }
> exit
bye
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