First project where I use the MongoDB database, this being a simple project, composed of queries that access a database that simulates a McDonald's menu.

All created queries are in the challenges directory.

Challenge1: Returns the number of documents in the products collection;

Challenge2: Returns the name and quantity of sold snacks, with sold snacks sorted in ascending order;

Challenge3: Returns the name and quantity of sold snacks of the best selling snack;

Challenge4: Returns only snacks that had sales greater than 50 and less than 100;

Challenge5: Returns snacks that had likes equal to 36 or sales amount equal to 85;

Challenge6: Returns snacks that had likes greater than 10 and less than 100;

Challenge7: Returns snacks that have been sold with a quantity other than 50 and where the tags field does not exist;

Challenge8: Deletes snacks with less than 50 likes and returns the name of snacks left in the bank;

Challenge9: Returns snacks that have calories below 500;

Challenge10: Returns snacks that have protein percentage greater than or equal to 30 and less than or equal to 40;

Challenge11: Returns snacks that are not Big Mac or McChicken;

Challenge12: Adds ketchup to ingredients for all sandwiches except McChicken, ensuring there are no duplicate ingredients;

Challenge13: Adds the createdBy field to all documents, putting Ronald McDonald in the value of that field;

Challenge14: Returns all snacks that have pickles in their ingredients and show only the first 3 items contained in the nutritionalValues array;

Challenge15: Adds the rating field to all documents in the collection and makes the following changes to this field:

• A query that includes the rating field of type NumberInt, with the value 0 in all documents in the collection;

• A query that increments the value of the rating field by 5 for all beef sandwiches, tags field;

• A query that increments the value of the rating field by 3 on all birds sandwiches.

Challenge16: Adds the lastModification field with the current date only in the Big Mac sandwich;

Challenge17: Returns the total quantity of products in a new collection named productSummary:

• It has a query that inserts in the productSummary collection a document with the fields: franchise with the McDonalds value and totalProducts with the value being the total amount of products registered in the products collection.

Challenge18: Include bacon at the end of the ingredients list for Big Mac and Cheese Quarter sandwiches;

Challenge19: Removes onion item from all sandwiches;

Challenge20: Removes the first ingredient from the Quarter with Cheese sandwich;

Challenge21: Removes the last ingredient from the Cheddar McMelt sandwich;

Challenge22: Adds the amount of sandwich sales by day of the week:

• A query that adds a salesPerDay field to all sandwiches. Being an array with seven positions, represented by 0. The first item in the array represents sales on Sunday, the second item represents sales on Monday, and so on until reaching the last item, which represents sales on Saturday;

• A query that increases Big Mac sales on Wednesdays by 60;

• A query that increases sales of all beef sandwiches on Saturdays by 120.

Challenge23: Insert the combo and tasty values into the tags array of all sandwiches and sort the values in ascending alphabetical order (A to Z):

• The tag values that are ordered.

Challenge24: Sorts in all documents the values of the nutricionalValues array by the percentage field in descending order;

Challenge25: Adds the value too much sodium to the end of the tags array in products where the sodium percentage is greater than or equal to 40;

Challenge26: Adds the contains sodium value to the end of the tags array on products where the sodium percentage is greater than 20 and less than 40;

Challenge27: Counts how many products contain Mc in the name, without considering uppercase or lowercase letters;

Challenge28: Count how many products have 4 ingredients;

Challenge29: Rename field description to descriptionWebsite in all documents;

Challenge30: Remove likes field from Big Mac item;

Challenge31: Returns the name of sandwiches where the number of likes is greater than the number of sandwiches sold;

Challenge32: Returns the name and sales (sold) quantity of sandwiches where the sales number is a multiple of 5;

Database: MongoDB