Mirajv1.0
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Miraj

A relational, column-oriented, in-memory and durable SQL database engine.

The reference manual for developers and administrators: SQL language, bundled tools, client libraries, administration and replication.

Getting started Introduction

Three ways to use Miraj

Embedded

The engine runs inside your application, through the Rust API or the miraj.dll library (C API, Delphi unit). No server to deploy.

Command line

The miraj-cli SQL console, interactive or running a .sql file, for administration and exploration.

Network server

miraj-server serves SQL sessions over TCP with the standard client/server protocol: your existing connectors just work.

Four editions, one SQL

Express

Free. Each query runs on a single thread: development, testing, light workloads.

Developer

One core, 20 GB, 24 hours: development and testing, with the MCP server.

Enterprise

Large queries spread across several cores: filters, aggregation, sorting, joins.

Cluster

Enterprise plus multi-node replication: one primary, read-only secondaries.

New

MCP server: connect your AI assistants to Miraj

Claude, ChatGPT, DeepSeek and any MCP client can explore the schema and read or modify data, with no driver or password: an SQL-created token tied to an account and capped at an access level (STRUCTURE, READ, WRITE, ADMIN).

Discover the MCP server

Explore the documentation

Getting started

SQL language

Concepts

Administration

Reference

PostgreSQL language