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Accelerated by the Corona pandemic, exploding numbers of connected devices and data volumes drive a shift towards decentralized Edge Computing and with it the need for embedded database management systems continues to grow rapidly. Analysts expect the Embedded Database market to grow by 60% annually (CAGR) from 2022-2029.
What is an Embedded Database?
What is a database vs. a DBMS?
A “database” is an organized collection of (structured or unstructured) data, typically stored electronically in a computer system. The most common database operations are Create, Read, Update, Delete (CRUD). “Database Management System” (or DBMS) refers to the piece of software for storing and managing that data. However, often the term “database” is also used loosely to refer to a DBMS, and you will find most DBMS only use the term database in their name and communication.
What does “embedded” mean in the database world?
The term “embedded” can mean two different things when used in the context of databases:
- “Database for embedded systems” is a database specifically designed to be used in embedded systems. Embedded systems are systems consisting of a deeply integrated hardware / software combination, e.g. electronic control units (ECUs), IoT devices. A database for such systems must have
- a small footprint and
- be optimised to run on highly restricted hardware
- thrifty with resource-use, e.g. CPU, Memory, Battery.
- “Embedded database”: this means that the database is deeply integrated in the software / application. Also referred to as an “embeddable database”, “embedded database management system” or “embedded DBMS (Database Management System)”.
C++ data persistence beginner tutorial – get started with ObjectBox
Are you a C++ beginner looking for a C++ database that is easy to use? In this tutorial, we’ll explain how you can install ObjectBox on Windows, even if you have never worked with an external library before. Your best option might be to set up a Linux subsystem (WSL2) first. After that, we will install the build tools and some useful development software such as CMake and Git. When this setup is ready, we can jump right into installing ObjectBox and running a simple example with it. We encourage you to explore its source code to get a grasp of ObjectBox in action.
Why use the ObjectBox C++ database as a C++ beginner?
Almost any program that stores some kind of data will benefit from incorporating a database into it. By storing data systematically, you will always be able to easily access, manipulate and search for different entries. Because of its flexibility, a NoSQL database will make a great fit for your first project and will serve you well further down the road. ObjectBox is not an ORM, so you do not need to learn another programming language, and can get started in minutes. ObjectBox uses native C++ APIs, which can be intuitively understood if you have any C++ experience. Furthermore, if you want high performance or your project is created with scalability in mind, a NoSQL database like ObjectBox might be the only viable option.
ObjectBox – the high performance Android database for Java / Kotlin – goes 3.0 ❤️ and apart from features. the dev team is also sharing CRUD performance benchmarks including MongoDB Realm and SQLite with Room. ObjectBox Database has been used by over 800,000 developers since the 1.0 release for Android and apart from Java / Kotlin for Android, the ObjectBox DB also has C/C++, Go, Flutter/Dart, Swift bindings now and a superfast Data Sync.
What is ObjectBox?
ObjectBox is a NoSQL ACID-compliant object database and an alternative to SQLite and Room. ObjectBox is optimized for fast object persistence on restricted devices, typically “embedded devices”, sometimes called “edge devices” like e.g. smartphones, IoT gateways, PoS systems, or Controlling Units. Because most applications today include any number of decentralized connected devices, ObjectBox also provides fast and easy access to decentralized edge data through an out-of-the-box Data Sync solution (Early Access).
Flutter Database options are still limited. We compare the available alternatives, and share performance benchmarks.
How to persist data in Flutter / Dart?
The database market is a long-established saturated market and still experiencing double-digit growth. Most of that growth stems from NoSQL databases and newer database technologies, like time-series databases or graph databases. As Computing is shifting towards Decentralized Computing on the Edge, local databases that support decentralized data flows on Mobile, IoT, and other Embedded Devices come into focus. Some come from the Flutter data persistence world, and we will take a look at them in a second.
Before we dive into the Flutter database options and compare them, we’re quickly carifying the term to make sure we share a common ground. Don’t worry, we’ll not get theoretical, but simply make sure we share a common language.