Unqlite

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UnQLite is an embedded NoSQL, transactional database engine that provides both key-value and document store functionalities. It is a self-contained C library designed for lightweight, serverless data management.

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At a glance

Pricing

Open Source

Free tier

Yes

API

Yes

Skill level

Technical

About

What is unqlite?

UnQLite is an embedded NoSQL, transactional database engine implemented as a self-contained, serverless, zero-configuration C library. It functions as both a document store, similar to MongoDB or Redis, and a standard Key/Value store, akin to BerkeleyDB or LevelDB. Unlike many other NoSQL databases, UnQLite operates without a separate server process, reading and writing directly to ordinary disk files. A complete database, including multiple collections, is stored in a single, cross-platform disk file. It supports ACID transactions, offers a simple API, and is designed for high performance with O(1) lookup. UnQLite is thread-safe, reentrant, and suitable for embedded devices due to its minimal external dependencies.

Best used for

Ideal for developers who need to integrate a lightweight, high-performance database directly into their applications, manage transactional data without a separate server, and deploy on embedded systems. Especially valuable for projects requiring a self-contained, zero-configuration NoSQL solution.

Common actions

manage embedded data

implement NoSQL database

store key-value data

handle transactional data

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Capabilities

Key features

Embedded NoSQL database
Transactional (ACID) support
Key/Value store
Document store (JSON)
Serverless operation
Single database file
Self-contained C library

Target Audience

developer

Integrations

Not yet documented

Pricing & Plans

Open Source

Free

FAQs

What kind of data models does UnQLite support?

UnQLite supports both a standard Key/Value store model, similar to BerkeleyDB or LevelDB, and a Document store model for JSON data, akin to MongoDB or Redis. This flexibility allows it to be used for various data storage needs within an application.

Is UnQLite suitable for embedded systems?

Yes, UnQLite is specifically designed for embedded systems. It is a self-contained C library with minimal external dependencies, making it well-suited for devices with limited resources and applications that need to run across diverse computing environments.

How does UnQLite handle transactions and data integrity?

UnQLite is a transactional database engine, meaning it supports ACID (Atomicity, Consistency, Isolation, Durability) properties. This ensures that data operations are reliable and maintain integrity, even in the event of system failures or concurrent access.

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Productivity & Business › Document Management

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