When writing mobile apps, saving the data users input is critical. You can save the data locally, but then you can’t save it permanently or share it with others. If you want to share your data, you...

Learn how to connect Core Data with Core Spotlight and add search capability to your app using Spotlight.

Learn how to take advantage of all the new Core Data features introduced in iOS 15 to make your SwiftUI apps even more powerful.

In this tutorial, you’ll learn how to use Firebase Firestore databases in Flutter by creating a fun app that will help you take care of your pets.

Learn how to use Realm database on Android for data persistence. You’ll learn how to add it to your android app and utilize its features.

In this Server-Side Swift tutorial, learn how to perform database migrations with Vapor on your application database – a useful tool for tasks such as creating tables, seeding data, and adding...

In this course, we will introduce you to SQLDelight, a generator for typesafe Kotlin code based on SQL database statements, with built-in support for migrations, schema validation and IDE...

Get started with Firebase Realtime Database by building a chat app in Flutter that provides instant updates to connected devices.

Learn Firebase fundamentals including saving data, real-time sync, authentication, user status and offline support.

Learn how to consume GraphQL APIs in your SwiftUI iOS apps in a simple and type-safe way using AWS AppSync framework.

DataStore is Google’s new and improved solution for persisting simple pieces of data by using either key-value pairs or protocol buffers for storing typed objects. It does so using Kotlin...

In this Values and Mutability tutorial, you’ll learn how to declare mutable, immutable, constant, late/lazily initialized, static & inline values.

Learn how to implement biometric authentication in your Android app by using the Android Biometric API to create an app that securely stores messages.

In this tutorial you’ll learn how to read and write data to Jetpack DataStore, a modern persistance solution from Google.

In this tutorial, you’ll learn how to improve your iOS app thanks to efficient Core Data usage with batch insert, persistent history and derived properties.

In this tutorial, you’ll extend the Isolation Nation app from the previous tutorial, adding analytics and real-time chat functionality using AWS Pinpoint and AWS Amplify DataStore.

The Fluent ORM lets you use any number of database engines in your Vapor app. Learn how to persist your models in your server side Swift apps using Vapor!

In this Android tutorial, you’ll learn how to implement Full Text Search in Room and use advanced FTS operations, such as ranking search results leading to a great search experience which provide...

In this tutorial, you’ll learn how to use NSPersistentCloudKitContainer to integrate Core Data and CloudKit.

Take a look at how Combine is used to power parts of the open-source raywenderlich.com app based on changes that get stored in User Defaults.

In this SwiftUI Realm tutorial, you’ll learn how to use Realm with SwiftUI as a data persistence solution by building a potion shopping list app.

Find out where and how to save data in iOS! This course explores common methods for persisting user data, all from within Xcode Playgrounds.

Learn the basics of Core Data in this beginner series. You’ll learn how to model your data with attributes and relationships, save data using a context, display saved data in lists and much more,...

Learn about different ways to save data on Android! Use SharedPreferences to store user-facing configuration, use Files to store complex data in the form of JSON or media files, and use the SQLite...