malonsogallardo / MongoDB-CRUD-Recap-Exercise

MongoDB | CRUD Operations

MongoDB CRUD Recap - Exercise

Getting Started

First, clone this repository as you will use it to import the data from the fileemployees.json to your MongoDB database.

git clone https://github.com/Bootcamp-web-development-0321-BCN/MongoDB-CRUD-Recap-Exercise.git

cd MongoDB-CRUD-Recap-Exercise

Reference:

MongoDB - Collection Methods

MongoDB - Query selectors

MongoDB - sort()

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Task 1 :

Run the below commands in mongo shell to:

• create a new database named ironhack-inc.

• check what is the name of the current database.

• list all of the collections of the current database.

  &

• create a new collection named employees in that database.

use ironhack-inc


db.getName()


show collections


db.createCollection("employees");

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Task 2 :

On your system, using the terminal navigate to the directory of the cloned repository containing the file employees.json.

Run the below command in the terminal (not mongo shell) to import the documents in to the database from the json file:

mongoimport --db=ironhack-inc --collection=employees --file=employees.json --jsonArray

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Query the database

Once you have inserted the above documents in the collection employees use your mongo shell to perform the following queries:

• Task 3: Find all employees that are over 30 years old.

• Task 4: Find all employees whose age is less than or equal to 30.

• Task 5: Find all the employees whose favorite food is pizza.

• Task 6: Change Willy’s personal phone number to "93-123-45-67".

• Task 7: Change Bob’s privilege to normal "user".

• Task 8: Find all employees whose favorite artist is "Picasso".

• Task 9: Delete the employee whose name is "John".

• Task 10: List all employees and sort them by name appending to the end of the query the method sort like this: .sort({name: 1}) or .sort({name: -1}) .

• (EXTRA) : Add a bonus of 15 to all those employees who have a bonus that is less than 10.