---
title: "Updates an existing database connection."
method: PUT
path: "/api/databases/{databaseName}"
---

# Updates an existing database connection.

`PUT /api/databases/{databaseName}`

Updates an existing database connection, or creates a new connection if one doesn't exist. The example parameters below are for updating a [MySQL](/data-integrations/mysql) connection. See [here](/data-integrations/all-data-integrations) for which parameters to use for your datasource.

## Path parameters

- `databaseName` string, required

## Request body

- object
  - `database` object
    - `engine` string
    - `parameters` object — Parameters used to connect to your data source. These example parameters are for connecting to [MySQL](/data-integrations/mysql). See [here](/data-integrations/all-data-integrations) for which parameters to use for your datasource.
      - `user` string
      - `password` string
      - `host` string
      - `port` string
      - `database` string

## Response `200`

Database was successfully updated

- Database
  - `name` string
  - `engine` string — Handler used to create this database (e.g. postgres)
  - `type` string — Type of database (data | project | system)

## Other responses

- `400` — Bad request format
- `401` — Invalid API key error message
- `500` — Server error

---

[API](https://skmtc.net/mindsdb/apis/mindsdb-api.md) · [All operations](https://skmtc.net/mindsdb/apis/mindsdb-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/mindsdb/mindsdb-api/versions/387ff52538f9/schema)