That’s because Realm tries to follow the View Model pattern of the client application and provide a direct connection of the object displayed in View with the database.Įach Realm object has its own connection to the Realm database. To delete an object, Realm has to get the object from the database and then delete it, meaning that this function would affect the performance, which is bad. Realm has one major issue with Delete. We can’t remove an object by an ID. Var customerRealm = realmInstance.Find(customer.Guid) // do not repeat it at home Using (var trans = realmInstance.BeginWrite()) Public async Task DeleteAsync(CustomerModel customer)Īwait _(customerDto) Public async Task UpdateAsync(CustomerModel customer)Īwait _(customerDto) Return new DataResponse>(result, result != null) Return new DataResponse>(null, false, “Realm instance can’t be null”) Return new Response(false, “Realm instance can’t be null”) Var realmInstance = await _realmManager.GetInstanceAsync() Public async Task CreateAsync(CustomerModel customer)Īwait _(customerDto) Here are the differences between implementing them in Realm and SQLite. Create, Read, Update, Delete are the four basic things you can do with any database. Now, let’s look at the implementation of CRUD (Create, Read, Update, Delete) operations. The others are shared and client projects.They also include Realm and SQLite managers to store the basic configuration like encryption and projects store all data repositories and data transfer objects.They provide a resolved data repository through dependency injection are the models used by client projects.Infrastructure stores all interfaces and different databases.Domain stores all models and services, being the bridge between the client app and the databases.This is what our app’s structure looked like: That’s why we needed different repositories for different databases in a single interface. To use another type of database, all you had to do was register another data repository in your dependency injection service. We’ve made it easy to switch between database structures. Our Application’s Architectureīefore getting to the test results, let’s talk about the architecture of our test application. We tested both databases against the following criteria:Īfter that, we’ve compared the results to find out who’s the winner. To explore the differences between Realm and SQLite, we’ve created a simple test application using Xamarin Forms and used iOS (iPhone 8) to test it. SQLite is a relational database, which means it stores data as rows in the tables. On top of that, it is free to use and is not owned by any company. That’s because SQLite is very lightweight, easy-to-deploy and requires minimal configuration. SQLite is an open-source database which is extremely popular around the world. Today, Realm is not just a database - it has become a full-fledged solution thanks to many additional features like API management, encryption support, and background synchronization. It’s fast and simple, has extensive documentation and support. Realm is a non-relational database which means it stores data as a collection of JSON objects. Realm is an open-source database management system designed specifically for mobile apps. Read on to discover our results and find out whether Realm or SQLite suits your business goals better. But which one is better for mobile apps? We’ve conducted several tests to compare these two database management systems. Some developers prefer Realm, while others stick to SQLite. That’s why we know that choosing a database management system is vital. Storing mobile application data is the task we face in almost every project here at JetSoftPro.
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