IT代考 THE MONGO SHELL

THE MONGO SHELL
Introduction to basic shell commands

INTRODUCTION

Copyright By PowCoder代写 加微信 powcoder

MongoDB comes with a Javascript shell that allows interaction with a MongoDB instance from the command line.

INTRODUCTION
Mongo has to be started before using it.
$sheehan:> mongod

RUNNING THE SHELL
To start the shell, run the ¡®mongo¡¯ executable.

The shell is a full-featured JavaScript interpreter, capable of running arbitrary Javascript expressions.

SHELL COMMAND: ¡®DB¡¯
What database are you using

SHELL COMMAND: ¡®USE¡¯
Which database do you want?

SHELL: INSERT()
Insert a Document to your Collection

SHELL: FIND()
Displays all the documents.

SHELL: FINDONE()
Finds just one Document.

SHELL: PRETTY()
Nicely formats your query data.

SHELL: UPDATE()
Updates a Document.

SHELL: DELETE()
Deletes a Document.

程序代写 CS代考 加微信: powcoder QQ: 1823890830 Email: powcoder@163.com