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Is Realm faster than Core Data?

Conclusion. If you are building a simple app that requires high performance, then use Realm. However, if you are building an enterprise application with lots of data and need extremely fast queries for that data then using Core Data is your best bet.
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Why Realm is faster than Core Data?

An important advantage Realm has over Core Data is consistency across threads. An important downside of Core Data is that managed object contexts can get out of sync. This isn't true for Realm and that is a key advantage it has over Core Data.
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Why Realm is faster?

Lazy loading: because the properties are represented in columns instead of rows, it can lazy load the properties as necessary and because of the column structure, reads are much faster, while inserts are slower.
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What are the drawbacks of Core Data?

Drawbacks of Core Data

The main drawback of Core Data is its learning curve. Most developers new to Core Data are intimidated by the framework and its many APIs. This is understandable and it's important to take the time to learn the fundamentals before integrating it into your project.
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What are the disadvantages of Realm database?

Realm Drawbacks
  • APK size becomes bigger and more RAM utilize.
  • No Auto-increment. You cannot auto-increment values in Realm.
  • Restrictions on Model classes. Methods like hashcode and equals cannot be nullified in classes of Realm Model.
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Realm vs CoreData - Which is better?

What are the advantages of Realm over CoreData?

Advantages of using Realm over CoreData

Data is stored automatically as objects, meaning that you do not need to manage individual rows and columns of structured data within your application. This makes managing your data easier than with CoreData.
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Is Realm a good database?

Realm can be a good choice if you have an application with a very simple database. But in practice, this does not happen. When the application starts to expand and manipulations in the database become more serious than just putting and getting data from the table, you will understand the pain of NoSQL databases.
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Is Core Data still relevant?

Yes. It's a pretty old framework and its Objective-C roots are not very well hidden. Regardless, Apple's clearly still interested in having people use and adopt Core Data given the fact that they've added new features for Core Data + SwiftUI in iOS 15, and previous iOS versions received various Core Data updates too.
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Is Core Data deprecated?

When Apple introduced iOS 10, it deprecated Core Data in iCloud and NSPersistentStoreUbiquitousContentNameKey and suggested that developers use CloudKit, instead. That left developers with a choice of using deprecated API or rolling their own CloudKit-backed sync.
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What are the pros of Core Data?

The main advantage of CoreData is a graph diagram allowing us to establish relations between entities (one-to-one, one-to-many, etc.). And this is one of the reasons why some developers still consider Core Data to be the best mobile database.
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Why is the Realm outdated?

Most of the time, the Outdated Server error message occurs when you're using a different version of Minecraft than the server you're trying to connect to. Usually, the Minecraft Launcher will automatically default to using the latest version update.
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Do realms get laggy?

If there are too many players in a realm then it can be a good lagging reason. Maybe the server gets overloaded because numerous players are doing similar activities all at once.
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What is Realm DB vs Core Data?

If you are building a simple app that requires high performance, then use Realm. However, if you are building an enterprise application with lots of data and need extremely fast queries for that data then using Core Data is your best bet.
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Why should I use Realm?

Realm is built from scratch with C++ as its core can run directly on different devices. It stores data in a native object format whereby objects are represented in the database in a universal table-based format. This makes Realm database easy to use in different languages and platforms.
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Is it better to make a server or Realm?

The main advantage of choosing a Minecraft server when compared to a Minecraft Realm is that users are able to make their server a modded server which isn't an option with a Realm.
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What is the alternative to Core Data?

Realm, Entity Framework, Hibernate, SQLAlchemy, and Sequelize are the most popular alternatives and competitors to CoreData.
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Why Core Data is not a database?

Core Data is not a database. Core Data is a framework for managing an object graph. An object graph is nothing more than a collection of interconnected objects. The framework excels at managing complex object graphs.
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How secure is Core Data?

Core Data doesn't encrypt the data you store in the persistent store, but it is possible to enable encryption.
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Is Core Data an SQL database?

Core data in itself is not a database it is just a change tracking system a wrapper over the persistent stores like SQLite(retrive, save objects to the persistent store).
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Is Core Data an ORM?

Core Data is not an ORM. Really, it is not an ORM. Core Data is a graph-based optionally persisted model framework. Core Data can take care of your model layer, it can hold your entities, so you can ask Core Data for sorted, or filtered sets of entities that you need in some point of your app execution.
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Who owns Core Data?

Andrew Inwood is the founder and principal of CoreData and has more than 30 years' experience in the Australian financial services industry.
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Does Instagram use Core Data?

Instagram has used a core data structure centered around a photo to predict behavior, facilitate commerce, share curated stories, and much more.
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What is the best Realm alternative?

Realm Alternatives
  • Aplos.
  • Clearstream.
  • ProPresenter.
  • Wild Apricot.
  • Neon CRM.
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What is the limit of Realm database?

For realm, the max size is 16Mb for Data and String properties. NSData and NSString properties cannot hold data exceeding 16MB in size. To store larger amounts of data, either break it up into 16MB chunks or store it directly on the file system, storing paths to these files in the Realm.
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Should I use Realm or firebase?

One easy point to consider; is your app Offline First or Online First? Realm offers offline first with a syncing component for online. Firebase is pretty much online only with a offline persistance for situations where the device temporarily looses connection.
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