mongodb安装笔记【服务没有及时响应或控制请求】

 'D:Javamongodbinmongod.exe --bind_ip 127.0.0.1 --logpath d:\Java\mongodb
\logs\MongoLog.log --logappend --dbpath d:\data --directoryperdb --service'
Fri Jan 10 09:17:45.050 Service can be started from the command line with 'net s
tart MongoDB'

C:mongodbinmongod.exe --remove

net start Mongodb

net stop Mongodb

> 3+3
6

> db
test
> // the first write will create the db:

> db.foo.insert( { a : 1 } )
> db.foo.find()
{ _id : ..., a : 1 }
mongo.exe的详细的用法可以参考mongo.exe --help

CREATE TABLE users (
    id MEDIUMINT NOT NULL
        AUTO_INCREMENT,
    user_id Varchar(30),
    age Number,
    status char(1),
    PRIMARY KEY (id)
)

db.users.insert( {
    user_id: "abc123",
    age: 55,
    status: "A"
 } )

db.createCollection("users")

ALTER TABLE users
ADD join_date DATETIME

db.users.update(
    { },
    { $set: { join_date: new Date() } },
    { multi: true }
)

ALTER TABLE users
DROP COLUMN join_date

db.users.update(
    { },
    { $unset: { join_date: "" } },
    { multi: true }
)

CREATE INDEX idx_user_id_asc
ON users(user_id)

db.users.ensureIndex( { user_id: 1 } )

CREATE INDEX
       idx_user_id_asc_age_desc
ON users(user_id, age DESC)

db.users.ensureIndex( { user_id: 1, age: -1 } )

DROP TABLE users

db.users.drop()

INSERT INTO users(user_id,
                  age,
                  status)
VALUES ("bcd001",
        45,
        "A")

db.users.insert( {
       user_id: "bcd001",
       age: 45,
       status: "A"
} )

SELECT *
FROM users

db.users.find()

SELECT id, user_id, status
FROM users

db.users.find(
    { },
    { user_id: 1, status: 1 }
)

SELECT user_id, status
FROM users

db.users.find(
    { },
    { user_id: 1, status: 1, _id: 0 }
)

SELECT *
FROM users
WHERE status = "A"

db.users.find(
    { status: "A" }
)

SELECT user_id, status
FROM users
WHERE status = "A"

db.users.find(
    { status: "A" },
    { user_id: 1, status: 1, _id: 0 }
)

SELECT *
FROM users
WHERE status != "A"

db.users.find(
    { status: { $ne: "A" } }
)

SELECT *
FROM users
WHERE status = "A"
AND age = 50

db.users.find(
    { status: "A",
      age: 50 }
)

SELECT *
FROM users
WHERE status = "A"
OR age = 50

db.users.find(
    { $or: [ { status: "A" } ,
             { age: 50 } ] }
)

SELECT *
FROM users
WHERE age > 25

db.users.find(
    { age: { $gt: 25 } }
)

SELECT *
FROM users
WHERE age < 25

db.users.find(
   { age: { $lt: 25 } }
)

SELECT *
FROM users
WHERE age > 25
AND   age <= 50

db.users.find(
   { age: { $gt: 25, $lte: 50 } }
)

SELECT *
FROM users
WHERE user_id like "%bc%"

db.users.find(
   { user_id: /bc/ }
)

SELECT *
FROM users
WHERE user_id like "bc%"

db.users.find(
   { user_id: /^bc/ }
)

SELECT *
FROM users
WHERE status = "A"
ORDER BY user_id ASC

db.users.find( { status: "A" } ).sort( { user_id: 1 } )

SELECT *
FROM users
WHERE status = "A"
ORDER BY user_id DESC

db.users.find( { status: "A" } ).sort( { user_id: -1 } )

SELECT COUNT(*)
FROM users

db.users.count()

db.users.find().count()

SELECT COUNT(user_id)
FROM users

db.users.count( { user_id: { $exists: true } } )

db.users.find( { user_id: { $exists: true } } ).count()

SELECT COUNT(*)
FROM users
WHERE age > 30

db.users.count( { age: { $gt: 30 } } )

db.users.find( { age: { $gt: 30 } } ).count()

SELECT DISTINCT(status)
FROM users

db.users.distinct( "status" )

SELECT *
FROM users
LIMIT 1

db.users.findOne()

db.users.find().limit(1)

SELECT *
FROM users
LIMIT 5
SKIP 10

db.users.find().limit(5).skip(10)

EXPLAIN SELECT *
FROM users
WHERE status = "A"

db.users.find( { status: "A" } ).explain()

UPDATE users
SET status = "C"
WHERE age > 25

db.users.update(
   { age: { $gt: 25 } },
   { $set: { status: "C" } },
   { multi: true }
)

UPDATE users
SET age = age + 3
WHERE status = "A"

db.users.update(
   { status: "A" } ,
   { $inc: { age: 3 } },
   { multi: true }
)

DELETE FROM users
WHERE status = "D"

db.users.remove( { status: "D" } )

DELETE FROM users

db.users.remove( )