[Yandex Cloud documentation](../../index.md) > [Yandex Query](../index.md) > Step-by-step guides > Managing bindings

# Managing bindings

[Bindings](../concepts/glossary.md#binding) contain information about the connection, data format, and schema. You can use several different bindings in a single query.

## Creating a binding {#create}

To create a binding:

1. In the [management console](https://console.yandex.cloud), select the folder where you want to create a binding.
1. Navigate to **Yandex Query**.
1. In the left-hand panel, select **Bindings**.
1. Click ![info](../../_assets/console-icons/plus.svg) **Create**.
1. Under **Connection parameters**:
   1. Select the target connection type for the binding: `Data Streams` or `Object Storage`.
   1. Select an existing connection or create a new one.
1. Under **Binding parameters**:
   1. Specify the binding name and description. The naming requirements are as follows:

      * The name must consist of lowercase Latin letters.
      * It must be between 3 and 63 characters in length.
      * It may contain digits and hyphens.
      * It must start with a letter and cannot end with a hyphen.

   1. For the Data Streams connection type, select or create a new data stream.
      For the Object Storage connection type, specify the bucket path.
   1. Optionally, select the compression algorithm.
   1. Select data binding format.
   1. Add columns:
      * Specify the column name.
      * Select the column type.
      * Enable **Required**, if required.
1. Click **Create**.

## Getting binding details {#get-info}

1. In the [management console](https://console.yandex.cloud), select the folder where you created the binding.
1. Navigate to **Yandex Query**.
1. In the left-hand panel, select **Bindings**.
1. Find the binding you need in the list and click ![info](../../_assets/console-icons/circle-info.svg) in its row.
   Binding details will appear under the list:
   **General**:

     * Data paths
     * Data format
     * Compression

   **Columns**: Data binding columns and their types.

   **Connection parameters**:

      * Type
      * Source details
      * Authentication

   **Meta**:

      * ID
      * Creation timestamp
      * Creator

## Modifying a binding {#update}

1. In the [management console](https://console.yandex.cloud), select the folder with the binding you want to update.
1. Navigate to **Yandex Query**.
1. In the left-hand panel, select **Bindings**.
1. Locate the binding you need in the list, click ![ellipsis](../../_assets/console-icons/ellipsis.svg) in its row, and select **Edit**.
1. Update the binding settings. Note that the **Connection parameters** section settings are read-only.
1. Click **Modify**.

## Deleting a binding {#delete}

1. In the [management console](https://console.yandex.cloud), select the folder containing the binding you want to delete.
1. Navigate to **Yandex Query**.
1. In the left-hand panel, select **Bindings**.
1. Locate the binding you need in the list, click ![ellipsis](../../_assets/console-icons/ellipsis.svg) in its row, and select **Delete**.
1. Confirm the deletion.