Mongodb详解与安装

[root@hadoop2 ~]# vim /etc/yum.repos.d/mongodb-org-3.0.repo

[mongodb-org-3.0]
name=MongoDB Repostitory
baseurl=https://repo.mongodb.org/yum/redhat/$releasever/mongodb-org/3.0/x86_64/
gpgcheck=0
enabled=1

 #[mongodb-org-2.6]
#name=MongoDB 2.6 Repository
#baseurl=http://downloads-distro.mongodb.org/repo/redhat/os/x86_64/
#gpgcheck=0
#enabled=1 

2、配置

[root@hadoop2 ~]# yum install -y mongodb-org

[root@hadoop2 ~]# mkdir -p /mongod/data

[root@hadoop2 ~]# chown -R mongod.mongod /mongo

[root@hadoop2 ~]# vim /etc/mongod.conf

# mongod.conf

#where to log
logpath=/var/log/mongodb/mongod.log

logappend=true

# fork and run in background
fork=true

#port=27017

dbpath=/mongo/data/                         ##改一下数据存放路径

# location of pidfile
pidfilepath=/var/run/mongodb/mongod.pid

[root@hadoop2 mongo]# service mongod start
Starting mongod:                                           [确定]

3、基础操作

[root@hadoop2 mongo]# mongo
MongoDB shell version: 3.0.4
connecting to: test
Welcome to the MongoDB shell.
For interactive help, type "help".
For more comprehensive documentation, see
 http://docs.mongodb.org/
Questions? Try the support group
 http://groups.google.com/group/mongodb-user
Server has startup warnings:
2015-07-21T14:58:55.518+0800 I CONTROL  [initandlisten]
2015-07-21T14:58:55.518+0800 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/enabled is ‘always‘.
2015-07-21T14:58:55.518+0800 I CONTROL  [initandlisten] **        We suggest setting it to ‘never‘
2015-07-21T14:58:55.518+0800 I CONTROL  [initandlisten]
2015-07-21T14:58:55.519+0800 I CONTROL  [initandlisten] ** WARNING: /sys/kernel/mm/transparent_hugepage/defrag is ‘always‘.
2015-07-21T14:58:55.519+0800 I CONTROL  [initandlisten] **        We suggest setting it to ‘never‘
2015-07-21T14:58:55.519+0800 I CONTROL  [initandlisten]
2015-07-21T14:58:55.519+0800 I CONTROL  [initandlisten] ** WARNING: soft rlimits too low. rlimits set to 1024 processes, 64000 files. Number of processes should be at least 32000 : 0.5 times number of files.
2015-07-21T14:58:55.519+0800 I CONTROL  [initandlisten]
> help
 db.help()                    help on db methods
 db.mycoll.help()             help on collection methods
 sh.help()                    sharding helpers
 rs.help()                    replica set helpers
 help admin                   administrative help
 help connect                 connecting to a db help
 help keys                    key shortcuts
 help misc                    misc things to know
 help mr                      mapreduce

 show dbs                     show database names
 show collections             show collections in current database
 show users                   show users in current database
 show profile                 show most recent system.profile entries with time >= 1ms
 show logs                    show the accessible logger names
 show log [name]              prints out the last segment of log in memory, ‘global‘ is default
 use <db_name>                set current database
 db.foo.find()                list objects in collection foo
 db.foo.find( { a : 1 } )     list objects in foo where a == 1
 it                           result of the last line evaluated; use to further iterate
 DBQuery.shellBatchSize = x   set default number of items to display on shell
 exit                         quit the mongo shell
> show co
CountDownLatch         connect(               copyDbpath(
compare(               connectionURLTheSame(  copyFile(
compareOn(             constructor
> show dbs
local  0.078GB
> for(i=1;i<=100;i++) db.testcoll.insert({Name: "User"+i,Age: i,Gender: "M",PreferBook: ["first book","Second book"]})
WriteResult({ "nInserted" : 1 })
> db.testcoll.find()
{ "_id" : ObjectId("55adefd39883f07d0866c3b4"), "Name" : "User1", "Age" : 1, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b5"), "Name" : "User2", "Age" : 2, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b6"), "Name" : "User3", "Age" : 3, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b7"), "Name" : "User4", "Age" : 4, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b8"), "Name" : "User5", "Age" : 5, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b9"), "Name" : "User6", "Age" : 6, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ba"), "Name" : "User7", "Age" : 7, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bb"), "Name" : "User8", "Age" : 8, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bc"), "Name" : "User9", "Age" : 9, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bd"), "Name" : "User10", "Age" : 10, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3be"), "Name" : "User11", "Age" : 11, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bf"), "Name" : "User12", "Age" : 12, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c0"), "Name" : "User13", "Age" : 13, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c1"), "Name" : "User14", "Age" : 14, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c2"), "Name" : "User15", "Age" : 15, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c3"), "Name" : "User16", "Age" : 16, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c4"), "Name" : "User17", "Age" : 17, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c5"), "Name" : "User18", "Age" : 18, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c6"), "Name" : "User19", "Age" : 19, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c7"), "Name" : "User20", "Age" : 20, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
Type "it" for more
> it
{ "_id" : ObjectId("55adefd49883f07d0866c3c8"), "Name" : "User21", "Age" : 21, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c9"), "Name" : "User22", "Age" : 22, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ca"), "Name" : "User23", "Age" : 23, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3cb"), "Name" : "User24", "Age" : 24, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3cc"), "Name" : "User25", "Age" : 25, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3cd"), "Name" : "User26", "Age" : 26, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ce"), "Name" : "User27", "Age" : 27, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3cf"), "Name" : "User28", "Age" : 28, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d0"), "Name" : "User29", "Age" : 29, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d1"), "Name" : "User30", "Age" : 30, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d2"), "Name" : "User31", "Age" : 31, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d3"), "Name" : "User32", "Age" : 32, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d4"), "Name" : "User33", "Age" : 33, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d5"), "Name" : "User34", "Age" : 34, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d6"), "Name" : "User35", "Age" : 35, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d7"), "Name" : "User36", "Age" : 36, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d8"), "Name" : "User37", "Age" : 37, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3d9"), "Name" : "User38", "Age" : 38, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3da"), "Name" : "User39", "Age" : 39, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3db"), "Name" : "User40", "Age" : 40, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
Type "it" for more
> it
{ "_id" : ObjectId("55adefd49883f07d0866c3dc"), "Name" : "User41", "Age" : 41, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3dd"), "Name" : "User42", "Age" : 42, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3de"), "Name" : "User43", "Age" : 43, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3df"), "Name" : "User44", "Age" : 44, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e0"), "Name" : "User45", "Age" : 45, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e1"), "Name" : "User46", "Age" : 46, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e2"), "Name" : "User47", "Age" : 47, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e3"), "Name" : "User48", "Age" : 48, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e4"), "Name" : "User49", "Age" : 49, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e5"), "Name" : "User50", "Age" : 50, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e6"), "Name" : "User51", "Age" : 51, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e7"), "Name" : "User52", "Age" : 52, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e8"), "Name" : "User53", "Age" : 53, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3e9"), "Name" : "User54", "Age" : 54, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ea"), "Name" : "User55", "Age" : 55, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3eb"), "Name" : "User56", "Age" : 56, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ec"), "Name" : "User57", "Age" : 57, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ed"), "Name" : "User58", "Age" : 58, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ee"), "Name" : "User59", "Age" : 59, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ef"), "Name" : "User60", "Age" : 60, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
Type "it" for more
> db.testcoll.find().limit(2)
{ "_id" : ObjectId("55adefd39883f07d0866c3b4"), "Name" : "User1", "Age" : 1, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b5"), "Name" : "User2", "Age" : 2, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
> db.testcoll.remove({Age:10})
WriteResult({ "nRemoved" : 1 })
> db.testcoll.find().limit(15)
{ "_id" : ObjectId("55adefd39883f07d0866c3b4"), "Name" : "User1", "Age" : 1, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b5"), "Name" : "User2", "Age" : 2, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b6"), "Name" : "User3", "Age" : 3, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b7"), "Name" : "User4", "Age" : 4, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b8"), "Name" : "User5", "Age" : 5, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b9"), "Name" : "User6", "Age" : 6, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ba"), "Name" : "User7", "Age" : 7, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bb"), "Name" : "User8", "Age" : 8, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bc"), "Name" : "User9", "Age" : 9, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3be"), "Name" : "User11", "Age" : 11, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bf"), "Name" : "User12", "Age" : 12, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c0"), "Name" : "User13", "Age" : 13, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c1"), "Name" : "User14", "Age" : 14, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c2"), "Name" : "User15", "Age" : 15, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c3"), "Name" : "User16", "Age" : 16, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
> db.testcoll.re
db.testcoll.reIndex(           db.testcoll.renameCollection(
db.testcoll.remove(
> db.testcoll.remove({Name:"User14"})
WriteResult({ "nRemoved" : 1 })
> db.testcoll.find().limit(15)
{ "_id" : ObjectId("55adefd39883f07d0866c3b4"), "Name" : "User1", "Age" : 1, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b5"), "Name" : "User2", "Age" : 2, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b6"), "Name" : "User3", "Age" : 3, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b7"), "Name" : "User4", "Age" : 4, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b8"), "Name" : "User5", "Age" : 5, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b9"), "Name" : "User6", "Age" : 6, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ba"), "Name" : "User7", "Age" : 7, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bb"), "Name" : "User8", "Age" : 8, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bc"), "Name" : "User9", "Age" : 9, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3be"), "Name" : "User11", "Age" : 11, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bf"), "Name" : "User12", "Age" : 12, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c0"), "Name" : "User13", "Age" : 13, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c2"), "Name" : "User15", "Age" : 15, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c3"), "Name" : "User16", "Age" : 16, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c4"), "Name" : "User17", "Age" : 17, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
> db.testcoll.update({Name:"User12"},{$set:{Age: 32}})
WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 1 })
> db.testcoll.find().limit(15)
{ "_id" : ObjectId("55adefd39883f07d0866c3b4"), "Name" : "User1", "Age" : 1, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b5"), "Name" : "User2", "Age" : 2, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b6"), "Name" : "User3", "Age" : 3, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b7"), "Name" : "User4", "Age" : 4, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b8"), "Name" : "User5", "Age" : 5, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b9"), "Name" : "User6", "Age" : 6, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ba"), "Name" : "User7", "Age" : 7, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bb"), "Name" : "User8", "Age" : 8, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bc"), "Name" : "User9", "Age" : 9, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3be"), "Name" : "User11", "Age" : 11, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bf"), "Name" : "User12", "Age" : 32, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c0"), "Name" : "User13", "Age" : 13, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c2"), "Name" : "User15", "Age" : 15, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c3"), "Name" : "User16", "Age" : 16, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c4"), "Name" : "User17", "Age" : 17, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
> db.testcoll.co
db.testcoll.constructor             db.testcoll.copyTo(
db.testcoll.convertToCapped(        db.testcoll.count(
db.testcoll.convertToSingleObject(
> db.testcoll.count()
98
> db.testcoll.find({Age: {$gte:93}})
{ "_id" : ObjectId("55adefd49883f07d0866c410"), "Name" : "User93", "Age" : 93, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c411"), "Name" : "User94", "Age" : 94, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c412"), "Name" : "User95", "Age" : 95, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c413"), "Name" : "User96", "Age" : 96, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c414"), "Name" : "User97", "Age" : 97, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c415"), "Name" : "User98", "Age" : 98, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c416"), "Name" : "User99", "Age" : 99, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c417"), "Name" : "User100", "Age" : 100, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
>
> db.testcoll.find({Age: {$gte:93}},{Name:1,Age:1})
{ "_id" : ObjectId("55adefd49883f07d0866c410"), "Name" : "User93", "Age" : 93 }
{ "_id" : ObjectId("55adefd49883f07d0866c411"), "Name" : "User94", "Age" : 94 }
{ "_id" : ObjectId("55adefd49883f07d0866c412"), "Name" : "User95", "Age" : 95 }
{ "_id" : ObjectId("55adefd49883f07d0866c413"), "Name" : "User96", "Age" : 96 }
{ "_id" : ObjectId("55adefd49883f07d0866c414"), "Name" : "User97", "Age" : 97 }
{ "_id" : ObjectId("55adefd49883f07d0866c415"), "Name" : "User98", "Age" : 98 }
{ "_id" : ObjectId("55adefd49883f07d0866c416"), "Name" : "User99", "Age" : 99 }
{ "_id" : ObjectId("55adefd49883f07d0866c417"), "Name" : "User100", "Age" : 100 }
> db.testcoll.find({$and: [{Age:{$gt: 61}},{Age: {$lt:80}}]})
{ "_id" : ObjectId("55adefd49883f07d0866c3f1"), "Name" : "User62", "Age" : 62, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f2"), "Name" : "User63", "Age" : 63, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f3"), "Name" : "User64", "Age" : 64, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f4"), "Name" : "User65", "Age" : 65, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f5"), "Name" : "User66", "Age" : 66, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f6"), "Name" : "User67", "Age" : 67, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f7"), "Name" : "User68", "Age" : 68, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f8"), "Name" : "User69", "Age" : 69, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3f9"), "Name" : "User70", "Age" : 70, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3fa"), "Name" : "User71", "Age" : 71, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3fb"), "Name" : "User72", "Age" : 72, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3fc"), "Name" : "User73", "Age" : 73, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3fd"), "Name" : "User74", "Age" : 74, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3fe"), "Name" : "User75", "Age" : 75, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ff"), "Name" : "User76", "Age" : 76, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c400"), "Name" : "User77", "Age" : 77, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c401"), "Name" : "User78", "Age" : 78, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c402"), "Name" : "User79", "Age" : 79, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
> db.testcoll.insert({Name: "User101",Age: 101,Gender: "F",Address: "Beijing,Chian"})
WriteResult({ "nInserted" : 1 })
> db.testcoll.find({Address: {$exists: true}})
{ "_id" : ObjectId("55adf56044061abfb9ba93f2"), "Name" : "User101", "Age" : 101, "Gender" : "F", "Address" : "Beijing,Chian" }
> db.testcoll.find({Address: {$exists: false}})
{ "_id" : ObjectId("55adefd39883f07d0866c3b4"), "Name" : "User1", "Age" : 1, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b5"), "Name" : "User2", "Age" : 2, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b6"), "Name" : "User3", "Age" : 3, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b7"), "Name" : "User4", "Age" : 4, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b8"), "Name" : "User5", "Age" : 5, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3b9"), "Name" : "User6", "Age" : 6, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3ba"), "Name" : "User7", "Age" : 7, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bb"), "Name" : "User8", "Age" : 8, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bc"), "Name" : "User9", "Age" : 9, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3be"), "Name" : "User11", "Age" : 11, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3bf"), "Name" : "User12", "Age" : 32, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c0"), "Name" : "User13", "Age" : 13, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c2"), "Name" : "User15", "Age" : 15, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c3"), "Name" : "User16", "Age" : 16, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c4"), "Name" : "User17", "Age" : 17, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c5"), "Name" : "User18", "Age" : 18, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c6"), "Name" : "User19", "Age" : 19, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c7"), "Name" : "User20", "Age" : 20, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c8"), "Name" : "User21", "Age" : 21, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c3c9"), "Name" : "User22", "Age" : 22, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
Type "it" for more
> db.testcoll.update({Age: {$gt:80}},{$set: {Gender: "F"}})
WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 0 })
> db.testcoll.find({Age: {$gte: 80}})
{ "_id" : ObjectId("55adf56044061abfb9ba93f2"), "Name" : "User101", "Age" : 101, "Gender" : "F", "Address" : "Beijing,Chian" }
{ "_id" : ObjectId("55adefd49883f07d0866c403"), "Name" : "User80", "Age" : 80, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c404"), "Name" : "User81", "Age" : 81, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c405"), "Name" : "User82", "Age" : 82, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c406"), "Name" : "User83", "Age" : 83, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c407"), "Name" : "User84", "Age" : 84, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c408"), "Name" : "User85", "Age" : 85, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c409"), "Name" : "User86", "Age" : 86, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40a"), "Name" : "User87", "Age" : 87, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40b"), "Name" : "User88", "Age" : 88, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40c"), "Name" : "User89", "Age" : 89, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40d"), "Name" : "User90", "Age" : 90, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40e"), "Name" : "User91", "Age" : 91, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40f"), "Name" : "User92", "Age" : 92, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c410"), "Name" : "User93", "Age" : 93, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c411"), "Name" : "User94", "Age" : 94, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c412"), "Name" : "User95", "Age" : 95, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c413"), "Name" : "User96", "Age" : 96, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c414"), "Name" : "User97", "Age" : 97, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c415"), "Name" : "User98", "Age" : 98, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
Type "it" for more
> db.testcoll.update({Age: {$gt:85}},{$set: {Gender: "F"}},{multi:true})
WriteResult({ "nMatched" : 16, "nUpserted" : 0, "nModified" : 15 })
> db.testcoll.find({Age: {$gte: 80}})
{ "_id" : ObjectId("55adf56044061abfb9ba93f2"), "Name" : "User101", "Age" : 101, "Gender" : "F", "Address" : "Beijing,Chian" }
{ "_id" : ObjectId("55adefd49883f07d0866c403"), "Name" : "User80", "Age" : 80, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c404"), "Name" : "User81", "Age" : 81, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c405"), "Name" : "User82", "Age" : 82, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c406"), "Name" : "User83", "Age" : 83, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c407"), "Name" : "User84", "Age" : 84, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c408"), "Name" : "User85", "Age" : 85, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c409"), "Name" : "User86", "Age" : 86, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40a"), "Name" : "User87", "Age" : 87, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40b"), "Name" : "User88", "Age" : 88, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40c"), "Name" : "User89", "Age" : 89, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40d"), "Name" : "User90", "Age" : 90, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40e"), "Name" : "User91", "Age" : 91, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40f"), "Name" : "User92", "Age" : 92, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c410"), "Name" : "User93", "Age" : 93, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c411"), "Name" : "User94", "Age" : 94, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c412"), "Name" : "User95", "Age" : 95, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c413"), "Name" : "User96", "Age" : 96, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c414"), "Name" : "User97", "Age" : 97, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c415"), "Name" : "User98", "Age" : 98, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
Type "it" for more
> db.testcoll.update({Name: "User92"},{$unset:{PreferBooks: ""}})
WriteResult({ "nMatched" : 1, "nUpserted" : 0, "nModified" : 0 })
> db.testcoll.find({Age: {$gte: 80}})
{ "_id" : ObjectId("55adf56044061abfb9ba93f2"), "Name" : "User101", "Age" : 101, "Gender" : "F", "Address" : "Beijing,Chian" }
{ "_id" : ObjectId("55adefd49883f07d0866c403"), "Name" : "User80", "Age" : 80, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c404"), "Name" : "User81", "Age" : 81, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c405"), "Name" : "User82", "Age" : 82, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c406"), "Name" : "User83", "Age" : 83, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c407"), "Name" : "User84", "Age" : 84, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c408"), "Name" : "User85", "Age" : 85, "Gender" : "M", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c409"), "Name" : "User86", "Age" : 86, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40a"), "Name" : "User87", "Age" : 87, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40b"), "Name" : "User88", "Age" : 88, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40c"), "Name" : "User89", "Age" : 89, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40d"), "Name" : "User90", "Age" : 90, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40e"), "Name" : "User91", "Age" : 91, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c40f"), "Name" : "User92", "Age" : 92, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c410"), "Name" : "User93", "Age" : 93, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c411"), "Name" : "User94", "Age" : 94, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c412"), "Name" : "User95", "Age" : 95, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c413"), "Name" : "User96", "Age" : 96, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c414"), "Name" : "User97", "Age" : 97, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
{ "_id" : ObjectId("55adefd49883f07d0866c415"), "Name" : "User98", "Age" : 98, "Gender" : "F", "PreferBook" : [ "first book", "Second book" ] }
Type "it" for more

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Mongodb详解与安装

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