The Database Platform
for the Next Generation

// Three lines to a working database
let db = HeliosDB::open("myapp.db")?;
db.execute("CREATE TABLE users (
    id SERIAL PRIMARY KEY,
    name TEXT,
    embedding VECTOR(768)
)")?;

// Semantic search in one query
let results = db.query("
    SELECT name, embedding <=> $1 AS distance
    FROM users ORDER BY distance LIMIT 10
", &[&query_vec])?;

# pip install heliosdb-lite
import heliosdb

db = heliosdb.connect("myapp.db")
db.execute("""
    CREATE TABLE documents (
        id SERIAL PRIMARY KEY,
        content TEXT,
        embedding VECTOR(768)
    )
""")

# Works with LangChain and LlamaIndex
results = db.query(
    "SELECT * FROM documents ORDER BY embedding <=> %s LIMIT 10",
    [query_embedding]
)

// npm install heliosdb-lite
import { HeliosDB } from 'heliosdb-lite';

const db = await HeliosDB.open('myapp.db');
await db.execute(`
    CREATE TABLE documents (
        id SERIAL PRIMARY KEY,
        content TEXT,
        embedding VECTOR(768)
    )
`);

// Type-safe queries with Prisma support
const results = await db.query(
    'SELECT * FROM documents ORDER BY embedding <=> $1 LIMIT 10',
    [queryEmbedding]
);

# Install and start in seconds
curl -sSf https://install.heliosdb.com | sh

# Interactive REPL
heliosdb-lite repl --memory

# Or start as a server
heliosdb-lite start --port 5432

# Connect with any PostgreSQL client
psql -h localhost -p 5432 -d mydb

# Branch your database like Git
heliosdb-lite branch create feature-auth
heliosdb-lite branch switch feature-auth