| CSV | Read | Local or remote CSV files | docs/server.md |
| Parquet | Read | Local or remote Parquet files | docs/server.md |
| JSON / NDJSON | Read | Local or remote JSON files | docs/cli.md |
| PostgreSQL | Full | Table or catalog registration, pgvector KNN | docs/postgres/ |
| MySQL | Full | Table or catalog registration | docs/mysql/ |
| SQLite | Full | Table or catalog registration, sqlite-vec KNN, FTS | docs/sqlite/ |
| MongoDB | Full | Collections with point lookups | docs/mongo/ |
| Redis | Full | Hashes mapped to SQL rows | docs/redis/ |
| SeekDB | Full | MySQL-wire CRUD, native FULLTEXT FTS, HNSW VECTOR KNN | docs/seekdb/ |
| Apache Iceberg | Read | Schema evolution, partition pruning | docs/iceberg/ |
| Lance | Read (job-write) | KNN vector search, BM25 FTS; job destination | docs/lance/ |
| S3 / GCS / Azure | Read | CSV, Parquet, Lance from object stores | docs/S3_USAGE.md |