Databases

Every database AddisDB speaks

95 engines and data-file formats, available on every plan — engines are never a paid upsell.

Relational / SQL

Tables, rows, and joins — the classics and their distributed descendants.

PostgreSQL — Full-fat Postgres: schema, live monitoring, AI, the works.
MySQL — The most popular open-source database.
MariaDB — The community MySQL fork, natively supported.
Microsoft SQL Server — T-SQL with DMV monitoring and identity-aware mock data.
Oracle Database — Enterprise RDBMS via the native OCI driver — needs Oracle Instant Client.
CockroachDB — Distributed SQL over the Postgres wire.
YugabyteDB — Distributed, Postgres-compatible SQL.
TiDB — Distributed, MySQL-compatible SQL.
SingleStore — Real-time distributed SQL (MySQL wire).
Greenplum — MPP analytics on a Postgres foundation.
Aurora DSQL — Serverless distributed Postgres from AWS.
AlloyDB for PostgreSQL — Google's Postgres, tuned for analytics.
Cloud SQL for PostgreSQL — Google-managed PostgreSQL.
Cloud SQL for MySQL — Google-managed MySQL.
Cloud SQL for SQL Server — Google-managed SQL Server.
PostgreSQL on Amazon RDS — Amazon-managed stock PostgreSQL.
Aurora PostgreSQL — AWS Aurora, PostgreSQL-compatible.
Supabase — Managed Postgres with an API layer.
Neon — Serverless Postgres with branching.
EDB Postgres Advanced Server — EnterpriseDB Postgres with Oracle compatibility.
openGauss — A PostgreSQL fork; the base of GaussDB.
CrateDB — Distributed SQL for time-series and IoT.
Materialize — Streaming database with incremental views.
RisingWave — Streaming SQL over event streams.
MySQL on Amazon RDS — Amazon-managed stock MySQL.
Aurora MySQL — AWS Aurora, MySQL-compatible.
PlanetScale — Managed Vitess with branch workflows.
Vitess — Horizontally-sharded MySQL.
Percona Server — Drop-in MySQL with deeper instrumentation.
OceanBase — Distributed SQL, MySQL-compatible mode.
Turso / libSQL — A local libSQL file, SQLite-compatible.
SAP HANA — In-memory column-store RDBMS.
Firebird — Open-source RDBMS from InterBase.
Cloudflare D1 — SQLite at Cloudflare’s edge.
Turso Cloud — Hosted libSQL over HTTP.
Azure SQL Database — Microsoft's managed single-database SQL Server.
Azure SQL Managed Instance — Near-full SQL Server, managed.
PostGIS — Spatial Postgres — geometry on the map view.
SQLite — Open a file and start querying.
DuckDB — In-process analytical SQL.

Document

JSON-like documents.

MongoDB — The native document store.
Amazon DocumentDB — AWS-managed, MongoDB-compatible documents.
Couchbase — Distributed documents, queried with N1QL (SQL++).
Apache CouchDB — Replication-first document store.
Azure Cosmos DB — Azure's multi-model database — the Core (SQL) API.
Firestore — Google's serverless document store.

Key–Value

Fast lookups by key.

Redis — The in-memory key-value workhorse.
Amazon DynamoDB — Serverless key-value, queried with PartiQL.

Wide-column

CQL column families at scale.

Apache Cassandra — Wide-column store over CQL.
ScyllaDB — Cassandra-compatible, C++-fast.
Amazon Keyspaces — AWS-managed Cassandra (CQL), serverless.
Google Cloud Bigtable — Google’s wide-column store.

Graph

Nodes and relationships.

Neo4j — The graph database — Cypher over Bolt.
Memgraph — In-memory graph, Cypher-compatible with Neo4j.

Search

Full-text indexes.

Elasticsearch — Full-text search and analytics.
OpenSearch — The open-source Elasticsearch fork.

Vector / AI

Embeddings and similarity search.

pgvector — Vector search inside Postgres.
Qdrant — Purpose-built vector database.
Weaviate — Vector search with a GraphQL API.
Pinecone — Managed vector database for embeddings.
Milvus — Vector database built for scale.
Chroma — Open-source embedding store.

Big Data & Warehouses

Cloud OLAP, lakehouses, and query engines.

Snowflake — The cloud data warehouse.
Google BigQuery — Serverless warehouse with dry-run cost estimates.
Databricks — Lakehouse over Delta Lake.
Amazon Redshift — AWS warehouse (Postgres wire).
ClickHouse — Blazing columnar OLAP.
Trino — Distributed SQL query engine.
Presto — Federated SQL query engine.
Dremio — Lakehouse query engine.
Apache Hive — Hadoop SQL warehouse over HiveServer2 (Thrift).
Exasol — In-memory MPP analytics.
MonetDB — Open-source column-store analytics.
Firebolt — Low-latency cloud warehouse.
Amazon Athena — Serverless SQL over data in S3.
Apache Impala — Interactive MPP SQL over Hadoop.
StarRocks — Columnar OLAP over the MySQL protocol.
Apache Doris — MPP columnar analytics, MySQL-compatible.
Databend — Cloud-native warehouse on object storage.
Azure Synapse Analytics — Microsoft's MPP data warehouse.

Time-series

Time-stamped metrics and events.

TimescaleDB — Time-series Postgres (hypertables).
QuestDB — High-performance time-series SQL.
InfluxDB — InfluxQL and SQL over the HTTP API.
Prometheus — Metrics store queried with PromQL.
Amazon Timestream — Serverless time-series on AWS.

Local files

Open a data file and query it like a database.

CSV — Comma-separated values.
JSON / NDJSON / JSONB — JSON, JSON Lines, and JSONB documents.
Excel (XLSX) — Spreadsheets as tables.
Parquet — Columnar analytics files.
Apache Arrow — Arrow IPC files.
Feather — Arrow Feather files.
GeoJSON — Geospatial features on the map view.
Shapefile — ESRI shapefiles.
GeoPackage — OGC GeoPackage.
DBF (dBASE) — Legacy dBASE tables.