# Big Query

Big Query is a fully managed cloud-based data warehouse offered by Google Cloud Platform that provides high-speed querying and interactive analysis of large datasets using SQL-like queries.

## Prerequisites

* Get Big Query database connection parameters from the database owner.
* Refer to IP allowlist to add IP addresses of Lowcoder to your allowlist (if needed).

## Connect to Big Query data source

Follow the steps below:

1. Create a new data source in two ways. Note that this permission is restricted to workspace admins and developers.
   * Navigate to the **Data Sources** tab on [Lowcoder Homepage](https://lowcoder.dev) and click **New data source**.
   * When creating a new query in the app editor, click **+ New** > **+ New data source**.
2. Select **Database** > **Big Query** as the data source type.
3. Set its name and service account.
4. (Optional) Click **Test connection** to check whether the new data source is successfully connected.
5. Click **Save**, and it will be saved to your data source library.