# 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.


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# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.lowcoder.cloud/lowcoder-documentation/connect-your-data/data-sources-in-lowcoder/bigdata-and-olap/big-query.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.