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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. MongoDB Aggregations Series As part of our exploration we are imagining you’re building a recipe website. Today we want to analyze ingredient usage across all our recipes to find the most common ingredients. By using MongoDB’s $unwind and…
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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! MongoDB Aggregations Series As part of this series we are imaging you’re building a recipe website. For this post we are adding some new features to our site including allowing users…
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MongoDB Aggregations: Finding Cooking Times with $min and $max
In this series we will explore different operators in the MongoDB Aggregation Framework via the context of a collection of recipes. MongoDB Aggregations Series Let’s say we’re making a brand new recipes website. Knowing the cooking times can help us categorize recipes into quick meals, slow-cooked dishes, or anything in between. MongoDB’s $min and $max…
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MongoDB Arrays: Using Operators
MongoDB offers a versatile and powerful way to work with array data using field query operators. Arrays are commonly used to store various types of data, and MongoDB’s array query operators allow you to manipulate and retrieve data from arrays efficiently. In this post, we’ll explore how to leverage some of these operators to make…
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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 scratch on existing data.) So, what if you’re uncertain about removing one? MongoDB offers a nifty solution: hiding indexes. Understanding Hidden Indexes Before bidding adieu to an…
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Streamlining Document Updates with Pipelines
While you might be familiar with MongoDB’s Aggregation Framework pipelines (primarily used for crafting intricate query results), a lesser-known capability is their application in updating documents. This article will delve into the utilization of aggregation pipelines for efficient document updates. Understanding the Basics Let’s start with an example document representing a breakfast recipe: Adding Calculated…
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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. This is where the concept of a query plan comes into play … an amazing tool for developers and database administrators to pinpoint and address performance bottlenecks. What is a Query Plan? In MongoDB,…
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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 refine the contents of an array. In this exploration, we’ll delve into the mechanisms behind removing elements from arrays, making your data management journey smoother than ever.…
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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 items within an array is very import. MongoDB provides a powerful tool for achieving this precision: the $sort operator. In this post, we’ll delve into how to leverage the…
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MongoDB Arrays: The Basics
In MongoDB arrays play a pivotal role in managing and organizing data. The capability to modify array items is crucial to adapt and evolve your datasets. MongoDB offers an array (pun intended!) of operators that are closely aligned with common array methods found in various programming languages. Let’s embark on a journey of understanding the…
