# List the tables in a database

Acquire / database

A variant of [Read from a database](https://meridian.online/operations/read-from-a-database).

Return the tables, collections or catalogs a connection holds, as rows of metadata rather than data.

Page: <https://meridian.online/operations/read-from-a-database/list-the-tables-in-a-database>

## Status

Not built yet.

arcform does not do this yet. [Its place on the roadmap](https://meridian.online/roadmap#read-from-a-database)

## What other tools call it

Meridian's classification; an independent blind rating agreed on 95.7% of 324 rows (variant, version 3).

- Apache NiFi: [`ListDatabaseTables`](https://nifi.apache.org/components/org.apache.nifi.processors.standard.ListDatabaseTables/) (read 2026-09-27)
- Polars: [`Unity Catalog client (family)`](https://docs.pola.rs/api/python/stable/reference/catalog/unity.html) (read 2026-09-27)
- RapidMiner Studio: [`Get Collection Info (Milvus)`](https://docs.rapidminer.com/latest/studio/operators/extensions/Generative%20Models/Vector%20Stores/Milvus/get_collection_info_milvus.html) (read 2026-09-27)
- RapidMiner Studio: [`Get Collection Info (Qdrant)`](https://docs.rapidminer.com/latest/studio/operators/extensions/Generative%20Models/Vector%20Stores/Qdrant/get_collection_info_qdrant.html) (read 2026-09-27)
- RapidMiner Studio: [`Get Collections (Milvus)`](https://docs.rapidminer.com/latest/studio/operators/extensions/Generative%20Models/Vector%20Stores/Milvus/get_collections_milvus.html) (read 2026-09-27)
- RapidMiner Studio: [`Get Collections (Qdrant)`](https://docs.rapidminer.com/latest/studio/operators/extensions/Generative%20Models/Vector%20Stores/Qdrant/get_collections_qdrant.html) (read 2026-09-27)
