在这里,我简单的记录一下MongoDB在shell客户端中使用的基本命令,比如创建/显示数据库,创建集合,删除集合等。 一、启动MongoDB并连接shell客户端 使用mongod.exe和mongo.exe命令分别启动和连接数据库,命令如下:mongod --dbpath E:\program\MongoDB\Data
mongo 127.0.0.1:27017 二、创建数据库 - use 使用命令use来创建数据库,需要注意的时,此时mongodb是没有创建数据库的,如果此时我们退出mongodb,那么此时我们使用...
不多说,旧版本使用db.addUser("root","root")新版本使用这句会出现这个错误提示TypeError: db.addUser is not a function : @(shell):1:1新版本用的是 db.createUser( { user: "test", pwd: "test", roles: [ { role: "userAdmin", db: "test" } ] })原文:https://www.cnblogs.com/pyj63/p/8127950.html
After running the repair I was able to start the mongod proccessor but as root, which meant that service mongod start would not work. To repair this issue, I needed to make sure that all the files inside the database folder were owned and grouped to mongod. I did this by the following:Check the file permissions inside your database folder
note you need to be in your dbpath folder mine was /var/lib...
首先启动mongod服务器;
打开一个shell客户端:use hahadb.haha.insert({a:aaa})db.haha.find(){a:aaa} // 添加成功了
打开另一个shell客户端:use hahadb.haha.find() // 确认一下刚才的输入{a:aaa} // 果然有效
可以看到,shell客户端里是有效果的。
下面是php代码:$m = new MongoClient();$jihe = $m->db->haha;$cursor = $jihe->find();foreach($cursor as $item){var_dump($item); //什么都没有,空数据}
然后修改php代码为:...
1.连接指定主机及数据库
mongo 127.0.0.1:30000/myDB
链接到127.0.0.1的30000端口的myDB
2.启动后连接指定数据库
*.">"代表在交互shell中,直接写mongo代表在cmd中
>conn = new Mongo("127.0.0.1:30000")
>db = conn.getDB("myDB")
3.查看帮助
>help
4.执行脚本
mongo script1.js script2.js script3.js //依次执行script1 script2 script3
5.交互式shell中执行脚本
>load("script1.js")
MongoDB Shell标签:本文系统来源...
vim mongodb_install.sh#!/bin/bash
cd /opt/
echo "Download mongdb software..."
wget https://fastdl.mongodb.org/linux/mongodb-linux-x86_64-ubuntu1404-3.0.4.tgz
echo " mongdb software..."
tar -zxf mongodb-linux*.tgz
mkdir software
mv mongodb-linux-*.tgz software
mv mongodb-linux* mongodb
cd mongodb/echo "create log,data,conf dir and create mongodb.log , mongod.conf"
mkdir log data conf
cd log/
touch ...
var cursor=db.collection1.table1.find();
cursor.forEach(
function(doc) { var split="\1";//分隔符var anyCpyNo=doc.anyCpyNo+"";//主键var cpyName=doc.cpyName+"";//企业名称var logoUrl=doc.cpyOtherResource+""!=‘undefined‘?doc.cpyOtherResource.logoUrl:"";//图片的urlvar provinceCode=doc.provinceCode+"";//省份编码var cityCode=doc.cityCode+"";//城市编码var modifyTime=new Date(doc.modifyTime).getTime();/...
1.连接指定主机及数据库
mongo 127.0.0.1:30000/myDB
链接到127.0.0.1的30000端口的myDB
2.启动后连接指定数据库
*.">"代表在交互shell中,直接写mongo代表在cmd中
>conn = new Mongo("127.0.0.1:30000")
>db = conn.getDB("myDB")
3.查看帮助
>help
4.执行脚本
mongo script1.js script2.js script3.js //依次执行script1 script2 script3
5.交互式shell中执行脚本
>load("script1.js")MongoDB Shell标签:本文系统来源:...
安装 mogodb 脚本1.0001#!/bin/bashuseradd mongod -s /sbin/nologin -Mtarfile=`ls -l . |grep mongodb-linux|awk ‘{print $9}‘`tar -zxvf $tarfile ||exit 1mv $tarfile bakmogmv mongodb* mongodb#将文件拷贝到目的安装路径mv ./mongodb /usr/share/mv bakmog $tarfilemkdir -p /usr/share/mongodb/logmkdir -p /usr/share/mongodb/datamkdir -p /usr/share/mongodb/runcat >/usr/share/mongodb/mongod.conf<</logpath=/us...
使用PowerShell调用MTools分析MongoDB性能并发送邮件问题描述:在MongoDB日常运维中,经常需要查看连接数的趋势图、慢查询、Overflow语句、连接来源。解决方案:1. 将Windows备份机目录挂载到MongoDB本地目录下,将LogRotate切换后的最新一个日志拷贝到备份目录。参考博文:《在Linux下挂载Windows系统共享目录》2. 在Windows服务器上安装Mtools。参考博文:《在64位Windows Server 2008 R2上安装mtools》3. 编写PowerShell脚本,通...
1、 a=`cat aaa.txt` 读取aaa.txt中的内容并赋值给a获取mapped映射到内存的数据大小:2、indma=`echo $a | awk ‘{printf("%d\n",match($0,"mapped"))}‘` 获取字符串变量a中的子字符串“mapped”的下标,并赋值给indma3、indma1=$(($indma+8)) 给变量ind加8,把结果赋值给indma14、indma0=`echo $a | awk ‘{printf("%d\n",match($0,"netIn"))}‘` 获取字符串变量a中的子字符串“netIn”的下标,并赋值给indma05、indma2=$(($...
---------------------MongoDB基本操作---------------------
1、MongoDB创建数据库
use 数据库名:切换到指定的数据库中,在插入第一个条数据的时候,创建对应的数据库。
show dbs:显示所有的数据库名。
db:查看当前数据库的名称。
show collections:查看当前db所有的collections。
db.集合名.insert({"name":"python"}):为指定的集合添加一条数据。
2、MongoDB删除数据库
db.dropDataBase():删除...
to access the documents, as in the following example:var myCursor = db.users.find( { type: 2 } );while (myCursor.hasNext()) {print(tojson(myCursor.next()));
}As an alternative print operation, consider the printjson() helper method to replace print(tojson()):var myCursor = db.users.find( { type: 2 } );while (myCursor.hasNext()) {printjson(myCursor.next());
}You can use the cursor method forEach() ...
shell in JavaScript that manipulate data in MongoDB or perform administrative operation. For more information about the mongo shell, see the Running .js files via a mongo shell Instance on the Server section for more information about using these mongo script.
This tutorial provides an introduction to writing JavaScript that uses the mongo shell to access MongoDB.
Opening New Connections
From th...
shell provides some additional information in its “online” help system. This document provides an overview of accessing this help information.
Command Line Help
To see the list of options and help for starting the mongo shell, use the --help option from the command line:mongo --help
Shell Help
To see the list of help, in the mongo shell, type help:help
Database Help
In the mongo sh...