DynamoDB vs MongoDB: Make a choice One and Say No to SQL

by | Jul 5, 2023 | Etcetera | 0 comments

Databases are a key a part of most applications and websites. They store crucial data like content material subject material and shopper details and might clutch events happening within an application. There are many different database technologies available, and the one you choose can affect everything from application construction to construction processes.

We’re taking an extensive look proper right here at DynamoDB and MongoDB, two in genre alternatives that aren’t typical relational databases. You’ll have the ability to come to a decision if this “NoSQL” approach is proper for your application and which of the ones two database platforms will do the method best.

Understanding the Technology: DynamoDB vs MongoDB

Over the previous decade, NoSQL databases have grown in recognition to care for the decision for for additonal flexible and scalable technology. The growth of social networking and user-generated content material subject material partly fueled this name for.

For years, most applications used typical SQL databases, through which each row of information describes a certain entity and its relationships to other entities. When responding to a query, a relational database joins the data from different rows and returns it to a consumer application. This construction is optimized to scale back storage and do away with duplication of repeating data, as each element of a finish end result set is maximum incessantly stored merely once throughout the database.

By contrast, NoSQL databases typically store the ground entity and similar data in a single document. That means some data is recorded a couple of cases, increasing storage must haves. Then again as storage costs have declined, the scalability of NoSQL solutions took precedence for a lot of use cases. Their underlying construction makes NoSQL databases exceptionally suited to run in clusters with data allocated right through a couple of nodes.

What Is DynamoDB?

DynamoDB is a serverless NoSQL database developed by the use of Amazon to fortify its well known online purchasing groceries holiday spot and then made available to builders in 2012 on its cloud internet internet hosting platform, Amazon Internet Services and products (AWS). As it did for Amazon’s store, DynamoDB responds to queries without the computing overhead required to make the sometimes-complex joins of a relational database.

Optimized for scale, DynamoDB is a key-value products store where all data related to a decided on secret’s stored with it. No turning into a member of is wanted! Having eliminated this requirement, engineers optimized DynamoDB to return data in short.

Amazon makes DynamoDB available through AWS as a completely managed supplier. That’s why it has turn out to be well-liked by developers, who can use DynamoDB with minimal database overhead. Moreover, the supplier scales merely as applications amass consumers. And, if a company makes use of various AWS equipment, DynamoDB can plug into them seamlessly.

DynamoDB vs MongoDB: The DynamoDB logo.
The DynamoDB logo.

How Does DynamoDB Artwork?

DynamoDB is a NoSQL key-value products store, and because it’s a managed supplier, its underlying construction and infrastructure are abstracted from the developer.

Underneath the hood, data is partitioned the use of the main key, with each partition containing 3 nodes that keep a copy of the data. This partitioning lets in easy scaling, as data is spread right through quite a lot of servers. Additionally, the data replication provides redundancy if a decided on node fails.

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Probably the most necessary 3 nodes is designated the manager node, where all writes are issued initially previous to being replicated to the other two nodes. Writing first to the manager node lets in DynamoDB to care for consistent writes. For maximum be informed consistency, all DynamoDB reads should moreover use the manager node.

This manner comes with a potency cost in read-heavy applications, so DynamoDB supplies consumers the facility to head for “eventual” consistency. This allows reads to be spread right through all nodes. Alternatively, this option would possibly sacrifice accuracy if the data hasn’t propagated to all nodes previous to a be informed operation.

Advantages and Disadvantages of DynamoDB

The main advantages of DynamoDB are that it’s serverless, scalable, and fast. You’ll have the ability to configure it in minutes with minimal infrastructure overhead. AWS handles protection, upgrades, server keep an eye on, and ensuring best availability. Moreover, DynamoDB can scale infinitely (simplest limited by the use of the physically size of AWS) on a pay-for-use model. In the end, DynamoDB provides rapid reads and writes, with scaling abilities that be sure persevered fast potency as the data store grows.

A disadvantage is its minimal query alternatives. Key lookups are helpful, on the other hand if you require additional difficult queries — very similar to aggregations — you’ll wish to export data to an external database for analysis. Additionally, DynamoDB is available simplest through AWS. Must you’re already integrated into the AWS ecosystem, that gained’t be a topic. If your company wants to deploy on-premises, it’ll must look somewhere else.

What Is MongoDB?

MongoDB is a NoSQL document store initially introduced in 2009 as an open-source database with the selection of trade fortify techniques. It retail outlets JSON bureaucracy as binary JSON (BSON) pieces, which is in a position to store difficult data structures like nested properties and arrays.

MongoDB runs on House home windows, macOS, and Linux platforms and is helping many programming languages. You’ll moreover to seek out MongoDB available on in genre cloud platforms from Amazon, Google, and Microsoft.

MongoDB is in genre mainly because of its flexibility. It provides the entire advantages of a NoSQL database while fulfilling additional difficult must haves, like ACID transactions for info integrity, aggregation queries, and the turning into a member of of datasets. And, on account of its native JavaScript fortify, it’s an more and more in genre backend database for web websites that use that during genre programing language.

DynamoDB vs MongoDB: The MongoDB logo.
The MongoDB logo.

How Does MongoDB Artwork?

MongoDB retail outlets BSON pieces containing quite a lot of key-value pairs. The values will also be simple data types, like strings and timestamps, or difficult types, like nested pieces and arrays.

MongoDB retail outlets bureaucracy in collections, similar to rows in a table. It’s a no longer peculiar follow for bureaucracy in a suite to percentage a similar schema, on the other hand even bureaucracy with the identical keys will have different schemas — keys with the identical determine don’t want to store the identical data type. MongoDB can enforce validation on properties when information are inserted or up to the moment, and there’s a requirement for info in sure keys to be of a chosen type.

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MongoDB moreover provides sharding, which is analogous to partitioning in DynamoDB. Sharding distributes data right through a couple of servers in line with a shard key. Distributing data lets in be informed and write operations to be spread right through a couple of servers, preventing a single server from overloading.

Advantages and Disadvantages of MongoDB

At the side of the on a regular basis benefits of NoSQL, MongoDB is helping a couple of platforms — essential for corporations who want flexibility in their number of cloud supplier or the facility to host an on-premises database.

MongoDB moreover is helping difficult queries and aggregations through its aggregation pipeline. That makes it exceptionally flexible compared to other NoSQL conceivable alternatives, as it is helping analytical queries, document searches, and information turning into a member of. Alternatively, potency can diminish at large scales. Additionally, MongoDB Atlas provides a serverless chance for corporations in search of to remove infrastructure keep an eye on’s burden.

Probably the most necessary disadvantages of MongoDB is that its data footprint will also be relatively large, as bureaucracy should store each and every the data and keys. And, although its aggregation pipelines are tricky equipment, their use of a bespoke syntax makes them exceptionally difficult to put in writing down and assemble.

In the end, there is also an infrastructure overhead for those not the use of MongoDB Atlas, specifically for production strategies the use of replication and sharding to ensure the software is performant. That includes monitoring, managing data skew, and performing upgrades, on best of managing protection.

Bottom Line: DynamoDB vs MongoDB

Although DynamoDB and MongoDB are each and every NoSQL databases, they vary significantly. Your use case will intently make a decision which one to use.

First, DynamoDB has fewer available data type alternatives at the schema level. For example, it does not fortify dates, that suggests developers should care for not unusual sense within their applications to parse and care for them. MongoDB is helping many additional data types, in conjunction with dates.

second, DynamoDB lets in querying by the use of key-value lookups and table scans. Alternatively, its table scan potency is lacking. For added difficult or ad hoc-style queries, your best choice is to export to every other database. By contrast, MongoDB is helping key lookups on best of analytical queries and information turning into a member of. It provides additional flexible index fortify because you’ll have the ability to add secondary indexes to any field. While DynamoDB is helping secondary indexes, they’re limited by the use of their conceptual complexity and the amount you’ll have the ability to create.

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On the protection aspect, DynamoDB benefits from the AWS platform. Authentication with DynamoDB goes through AWS shopper get right of entry to controls. That makes securing a DynamoDB database rather easy.

With MongoDB, you may well be in charge of all protection constraints, in conjunction with rising shopper accounts and managing group get right of entry to. That means so much higher overhead. Alternatively, MongoDB Atlas turns MongoDB proper right into a managed answer, eliminating the ones tough scenarios.

As a managed answer, DynamoDB choices built-in backup and recovery choices, in conjunction with the facility for multi-region replicas and simple recovery from backups. By means of default, MongoDB gained’t prepare the ones processes, requiring information configuration. MongoDB Atlas eases the process relatively on the other hand calls for added configuration to do so.

At a Glance: DynamoDB vs MongoDB

Feature DynamoDB MongoDB
Wisdom Types Most standard data types except for dates Any data type throughout the BSON specification in conjunction with dates
Querying Key lookups with limited multi-document querying Key lookups, queries, joins, and aggregations
Protection Built-in with AWS with little overhead Self-managed till the use of MongoDB Atlas
Scalability Built-in with AWS with little overhead Self-managed till the use of MongoDB Atlas
Backup and Recovery Built-in with AWS with little overhead Self-managed till the use of MongoDB Atlas

Common, MongoDB is the additional flexible chance — it can be deployed anywhere and gives a richer set of substances for storing and querying data. Alternatively, for a lean database with tight AWS integration and diminished infrastructure and protection overheads, DynamoDB is a possibly variety.


MongoDB and DynamoDB are extraordinarily performant NoSQL alternatives whose relative strengths make them suited to vastly different uses. For a lean and simple answer, DynamoDB is a robust variety. Then again MongoDB is a winner if you require additional difficult schemas, aggregation queries, and better index fortify.

Needless to say the fee for flexibility is upper infrastructure overhead. Then again, if you need the flexibility of MongoDB and want to reduce the overhead, MongoDB Atlas frequently represents an affordable compromise.

In truth, in front of your database, you’ll want a compelling application. You’ll have the ability to increase yours on Kinsta’s Software Webhosting platform and even get started without cost with our Interest Tier, scaling up when consumers get began flocking for your masterpiece.

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