Querying

Find, filter, update, and shape documents in your collections.

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Aggregation Framework
World Cup: Finding the Goal with $match
With the World Cup starting this week there are going to be a lot of matches to watch for the next month or so and there will hopefully be a lot of goals as well!
4 min read
Indexing
A (MongoDB) New Year’s Resolution
Another New Year. Another reset. Another wave of optimism!
3 min read
Indexing
Working with Geo Location Data in MongoDB
MongoDB makes it really easy to work with location data by simplifying how to store it and streamlining how you query for nearby results or map visualizations.
6 min read
Administration
Full-Text Search in MongoDB with Relevance Scores
Do you know about MongoDB ? Imagine we are building an app and want users to search by ingredients or dish names (like chocolate or zucchini bread) and get the…
3 min read
Aggregation Framework
MongoDB Aggregations: Identifying Popular Ingredients with $unwind and $group
In this series, we’re exploring different MongoDB aggregation operators by applying them to a collection of recipes.
9 min read
Aggregation Framework
MongoDB Aggregations: Organizing Recipes by Meal Type with $group
In this series, we’re exploring different MongoDB aggregation operators by applying them to a recipe collection. I hope you’ll follow along with each post!
6 min read
Aggregation Framework
MongoDB Aggregations: Finding Cooking Times with $min and $max
In this series we will explore different in the MongoDB Aggregation Framework via the context of a collection of recipes.
6 min read
Querying
MongoDB Arrays: Using Operators
MongoDB offers a versatile and powerful way to work with using field query operators. Arrays are commonly used to store various types of data, and MongoDB’s…
3 min read
Querying
MongoDB’s “Hidden” Index Feature
Indexes are crucial for optimizing query performance, but they can also be very costly to create (meaning they can take a lot of CPU, especially if built from…
2 min read
Aggregation Framework
Streamlining Document Updates with Pipelines
While you might be familiar with MongoDB’s Aggregation Framework (primarily used for crafting intricate query results), a lesser-known capability is their…
3 min read
Querying
Query Plans: The Basics
Optimizing the performance of MongoDB relies heavily on effective querying. However, determining areas for optimization in a query can be challenging.
4 min read
Querying
MongoDB Arrays: Removing Elements
In the world of MongoDB, arrays bring order to chaos and enable the efficient organization of data. Yet, there come times when the need arises to prune or…
3 min read
Querying
MongoDB Arrays: Sorting
Arrays are a fundamental data structure in MongoDB, allowing you to store and manage collections of items. However, there are times when the specific order of…
3 min read
Querying
MongoDB Arrays: The Basics
MongoDB offers an array of operators that are closely aligned with common array methods found in various programming languages.
2 min read