Realm.oi new database for mobile apps

REALMNew multi-platform database for apps.

WHY?

…because!!Realm is not built on SQLite

Multi-platform (OS X, iOS, Java)

Objective-C and Swift support

A much simpler API

Easy thread-safety

F-F-Fast!! Realm offers extraordinary performance compared to SQLite and other persistence solutions.

File size 20% less

Property types

BOOL, bool, int, NSInteger, long, long long, float, double, CGFloat, NSString, NSDate, and NSData.

RLMObject

RLMArray<Object>

Realm ignores Objective-C property attributes

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Models

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Writes

QueriesThe comparison operators ==, <=, <, >=, >, !=, and BETWEEN are supported for int, long, long long, float, double, and NSDate property types.

Realm supports the following compound operators: “AND”, “OR”, and “NOT”. Such as name BEGINSWITH ‘J’ AND age >= 32

ANY comparisons, such as ANY student.age < 21

Case insensitive comparisons for strings, such as name CONTAINS[c] ‘Ja’. Note that only characters “A-Z” and “a-z” will be ignored for case.

The containment operand IN such as name IN {‘Lisa’, ‘Spike’, ‘Hachi’}

Notifications

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Performing a Migration

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Encryption

Object mapping

1.160994

7.495840

Tests

0.442663

1.913599

Tests

Realm browser

General LimitsClass names must be between 0 and 63 bytes in length

Property names must be between 0 and 63 bytes in length

NSData properties cannot hold data exceeding 16MB in size.

Any single Realm file cannot be larger than the amount of memory your application would be allowed

Other limits

Realm in CocoaPods does not work for Swift projects

KVO is not supported

Fine-grained notifications are not yet supported

Realm Object Setters & Getters cannot be overriden

Realm files cannot be accessed by concurrent processes

Realm http://realm.io/

MagicalRecord https://github.com/magicalpanda/MagicalRecord

Predicates Programming Guide from Apple

Thank You!