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How we manage and process data changes rapidly over the years, and staying on track with the newest technology trends is important. Traditional relational database management systems, such as MySQL, Oracle, and SQL Server, have always been the first choice to maintain data integrity and for fast querying, but with the rise of big data, NoSQL (Not Only SQL) databases emerged and became more popular due to their speed, flexibility, and scalability. Now, the question that pops up naturally is when is the right time to use a NoSQL database?<\/p>\n\n\n\n This blog post will explore NoSQL databases and how they differ from traditional databases. Besides, you will learn when and why to utilize NoSQL databases. Whether you\u2019re a developer, data engineer, or decision maker, this blog post will provide insights into modern databases that will come in handy to boost your projects.<\/p>\n\n\n\n NoSQL databases are non-relational databases with flexible schema designed for high performance at a massive scale. Unlike traditional relational databases, which use tables and predefined schemas, NoSQL databases use a variety of data models. There are 4 main types of NoSQL databases \u2014 document, graph, key-value, and column-oriented databases. NoSQL databases generally are well-suited for unstructured data, large-scale applications, and agile development processes. The most popular examples of NoSQL databases are MongoDB<\/a> (document), Memgraph<\/a> (graph), Redis<\/a> (key-value store) and Apache HBase<\/a> (column-oriented).<\/p>\n\n\n\n These types of NoSQL databases<\/a> store data in their own unique ways offering pros and cons, which are presented below:<\/p>\n\n\n\n Based on the above-mentioned advantages and disadvantages of NoSQL databases, there are various scenarios where NoSQL databases are the optimal solution for your project. Let\u2019s take a look at 5 scenarios where NoSQL databases are great:<\/p>\n\n\n\n NoSQL databases can handle large amounts of data by spreading it across multiple servers. Hence, the NoSQL database is a perfect solution if you have large amounts of growing data. You don\u2019t have to worry that you don\u2019t have enough resources to scale vertically; instead, you should design your database system properly to get the most insights from your data.<\/p>\n\n\n\n Predefined schemas can be good sometimes, but if you\u2019ve always found that a hassle for your unstructured or semi-structured data which is often changing, NoSQL databases are the correct approach. They are built with flexible data schema, which speeds up the development process and lowers the efforts on database management. Problems with data types like XML, JSON and others have become issues of the past with NoSQL databases.<\/p>\n\n\n\n Again, because of the NoSQL flexibility, your data model can rapidly change, meaning you can update your application on the fly without schema updates. Nowadays, development is fast, and iterations are quick, so removing the task of updating schemas constantly saves you valuable time that can be spent on even faster development.<\/p>\n\n\n\n If you\u2019re working on applications that require real-time data processing, you might be stuck with traditional databases that don\u2019t offer the required speed. NoSQL databases are optimized for high-speed read and write operations and are ideal for chat, IoT, gaming, fraud detection, and similar applications.<\/p>\n\n\n\n Complex data relationships, such as parent-child or many-to-many relationships, arise in relational databases when data from different tables is related or somehow interconnected. Querying it requires hopping from one table to another and joining it with slow and resource-intensive join operations. A graph database is a type of NoSQL database that handles highly-connected data especially well and is a good choice for social networks, recommendation engines, fraud detection, or any application where you need to traverse through interconnected data points.<\/p>\n\n\n\n If you still don\u2019t know whether you need an NoSQL or a relational database management system, we prepared another article<\/a> on that topic that may speed up your decision process. Keep in mind that it doesn\u2019t always have to be a fight, SQL vs NoSQL, you can surely consider a hybrid approach and get the best out of both SQL and NoSQL databases. But if you did find that your use case fits the description above, then NoSQL is a database for you! We are always open to discussions on this and other topics in the database scene, so join the conversation<\/a> on our Discord server to be a part of the community.<\/p>\n","protected":false},"excerpt":{"rendered":" How we manage and process data changes rapidly over the years, and staying on track with the newest technology trends is important. 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<\/figure>\n\n\n\nUnderstanding NoSQL databases<\/h1>\n\n\n\n
![\"\"\/](\"https:\/\/miro.medium.com\/v2\/resize:fit:1400\/0*mzvAebX2JX6zqkzK.png\")
<\/figure>\n\n\n\nAdvantages<\/h1>\n\n\n\n
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Disadvantages<\/h1>\n\n\n\n
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5 reasons to choose a NoSQL database<\/h1>\n\n\n\n
1. Handling large volumes of data at scale seamlessly<\/h1>\n\n\n\n
![\"\"\/](\"https:\/\/miro.medium.com\/v2\/resize:fit:1400\/0*lf1jkWQBQIOCM3BS.png\")
<\/figure>\n\n\n\n2. Working easily with unstructured or semi-structured data<\/h1>\n\n\n\n
![\"\"\/](\"https:\/\/miro.medium.com\/v2\/resize:fit:1400\/0*4DFrITb0vG4QxQbS.png\")
<\/figure>\n\n\n\n3. Enabling rapid development<\/h1>\n\n\n\n
4. High read\/write speed<\/h1>\n\n\n\n
5. Managing complex relationships<\/h1>\n\n\n\n
![\"\"\/](\"https:\/\/miro.medium.com\/v2\/resize:fit:1400\/0*_xfcwAzRdULr2ELa.png\")
<\/figure>\n\n\n\nConcluding thoughts<\/h1>\n\n\n\n