Mongodb学习笔记－－Mongodb安装(2)

来源：未知责任编辑：责任编辑发表时间:2014-05-20 18:34　点击:次

停止mongodb

[root@localhost ~]# service mongod stop

Stopping mongod: [ OK ]

重启mongodb

www.2cto.com

[root@localhost ~]# service mongod restart

Stopping mongod: [ OK ]

Starting mongod: all output going to: /var/log/mongo/mongod.log

forked process: 26420

[ OK ]

6）简单使用

查找

[root@localhost ~]# mongo

MongoDB shell version: 2.0.5

connecting to: test

> db.test.save( { a: 1})

> db.test.find()

{ "_id" : ObjectId("4fb83ca7698712e93dad12a7"), "a" : 1 }

插入

> doc = { author:'joe', created : new Date('03/28/2009')}

{ "author" : "joe", "created" : ISODate("2009-03-27T16:00:00Z") }

> db.test.insert(doc)

> db.test.find()

{ "_id" : ObjectId("4fb83ca7698712e93dad12a7"), "a" : 1 }

{ "_id" : ObjectId("4fb83e2c698712e93dad12a8"), "author" : "joe", "created" :
ISODate("2009-03-27T16:00:00Z") }

更新

> db.test.update({author : 'joe'}, {$inc: { check: 1000 }});

> db.test.find() www.2cto.com

{ "_id" : ObjectId("4fb83ca7698712e93dad12a7"), "a" : 1 }

{ "_id" : ObjectId("4fb83e2c698712e93dad12a8"), "author" : "joe", "check" : 1000,
"created" : ISODate("2009-03-27T16:00:00Z") }

删除

> db.test.remove({a:1});

> db.test.find()

{ "_id" : ObjectId("4fb83e2c698712e93dad12a8"), "author" : "joe", "check" : 1000,
"created" : ISODate("2009-03-27T16:00:00Z") }

作者 xiaozhenggang