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Difference between Aggregation and Composition

Difference between Aggregation and Composition

There is a big difference between aggregation and composition, and it’s important to understand the distinctions when designing or working with the software. Aggregation is putting together a bunch of objects to create a new one, while the composition is building something by attaching independent parts. In this blog post, we’ll take a look at some examples of each to help clear things up.

What is Aggregation?

Aggregation is the process of combining multiple smaller data sources into a single, larger data source. This can be useful for many different applications, from collecting real-time social media data to analyzing market trends and consumer behavior. Aggregation allows businesses to gain valuable insights that they may not have access to otherwise, helping them make more informed and effective decisions. While aggregation is typically a complex process that requires specialized software or hardware, it can be an invaluable tool for businesses of all sizes and industries. Whether you are managing large amounts of customer data or looking to streamline your supply chain operations, being able to aggregate your data effectively can help your business achieve greater success.

What is Composition?

Composition is the act of putting together a story, poem, essay, etc. Composition is also the combination of different parts or elements to form a whole. The word comes from the Latin componere, meaning “to put together.” The composition can be studied as an academic discipline, and it is an important skill for writers of all genres. Good composition skills involve understanding how to structure a piece of writing, how to develop an argument or storyline, and how to use language effectively. Composition is often taught in school settings, but it is also a useful skill for anyone who wants to improve their writing.

Difference between Aggregation and Composition

Aggregation and composition are two foundational concepts in the field of computer science that describe different ways of combining information and data. Aggregation describes how information is organized into distinct units, such as individual records or elements of a database. By contrast, composition describes how data is combined to form a cohesive entity or set. Both aggregation and composition have important applications in computing, enabling algorithms to effectively store, manage, and manipulate large amounts of data. Together, these two concepts provide the foundation for many important computing processes and algorithms. Ultimately, being able to distinguish between aggregation and composition is an essential skill for any computer scientist or programmer.


When it comes to aggregation and composition, there are a few key things to remember. First, aggregation is the process of collecting data or objects into a single unit, while composition refers to the creation of a new object by combining multiple elements. Second, aggregation can be done either physically or logically, while composition can only be done logically. Finally, an aggregated entity still has all of the properties of its individual components, while a composed entity has unique properties that are not found in the individual components.

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