Ubuntu Installation MONGO Database

Install the MONGO database and enter it under the shell

sudo apt-get install MongoDB

If you need to use the MONGO database in Python , you will also need to install the Python wrapper library

Pip Install Pymongo

To detect if the installation was successful, you can use the following command to start MongoDB locally

Mongod-dbpath.

Enter MONGOin the shell to enter the MONGO database

Querying database statements

> Show DATABASES;CACHE0.0625GBLOCAL0.03125GB

using Database Statements

> Use cache;switched to DB cache

Querying all Table statements

> Show Tables;system.indexeswebpage

Querying for content in Talbe

Db.webpage.find ();

Querying statements for some columns

Db.webpage.find ({},{_id:0})    #0代表不显示, 1 represents the display

Query a statement for a specific row

Db.webpage.find ({ID: "XXX"})

Ubuntu Installation MONGO Database