> For the complete documentation index, see [llms.txt](https://docs.bdb.ai/self-service-visualization-4/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.bdb.ai/self-service-visualization-4/creating-a-new-report/create-new-report/creating-a-new-report-with-an-existing-data-store/creating-and-updating-instance.md).

# Creating and Updating Instance

This section explains steps to create and update instance for a Data Store.

## Creating Instance <a href="#creating-instance" id="creating-instance"></a>

{% hint style="info" %}
*Prerequisite: Please make sure that the **Data Store Settings** has been configured from the **Admin module** to **access the Instance functionality** for the* *Data Store inside a **Report.***
{% endhint %}

<details>

<summary>What is a Personalised Store?</summary>

The Data Store for which the user can set the TIme To Live (TTL) limit using the Story interface is considered a Personlised Data Store or Personalised Store.

</details>

<details>

<summary>What is the limit for TTL? What is the maximum limit for TTL?</summary>

The ***Time to Live (TTL)*** for the data will be of 1-30 days. The maximum limit provided for the ***TTL*** is ***30 days.***

</details>

{% hint style="success" %}
*Check out the given walk-through on how to create an instance for an existing datastore under the Personalised category.*
{% endhint %}

{% embed url="<https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fq1Y2nC9XDrWcLwg1gpYr%2Fuploads%2FlGb3Wen9djimFfNIINT9%2FCreating%20an%20Instance%20for%20Personalised%20DataStoreV2.mp4?alt=media&token=9e24b82d-1cbe-4200-ba20-49f7ca6ba6f0>" %}
***Instance Creation for Personalised Data Stores***
{% endembed %}

The ***Create Instance*** option is used to load the data for the first time from the datastore into Elastic, MongoDB, ClickHouse server as the configuration done in the ***Admin Module*** for the Datastore Settings.&#x20;

* Navigate to the Data Store list inside a ***Create New Report*** dialog box.
* The ***Select Data Store*** page opens listing all the available Data Stores.
* Select the ***Personalized*** Data Store Category.

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/6Jdly0WqFip7DZ6UWthr/image.png" alt=""><figcaption></figcaption></figure>

* Search for a Data Store in the given search bar.
* Select a Data Store by using the checkbox.
* Click the Data Store to open the Time To Live (in days) option. Provide the no. of days for the selected Data Store to create new instance.
* Click the ***Refresh*** option.&#x20;

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/eEjOvd3Dk0QQtsLun0bv/image.png" alt=""><figcaption></figcaption></figure>

* A confirmation message appears to update the Data Store details.

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/4rMgEpo7OF3LNXdo9W2f/image.png" alt=""><figcaption></figcaption></figure>

* The concerned Data Store starts displaying the Days Left option based on the provided no. of days while setting the TTL.
* Select the Data Store by using the check box.
* Click the ***Create Report*** option to proceed with the View creation.

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/6GfdLUymymzMiGBJqkVd/image.png" alt=""><figcaption></figcaption></figure>

## Updating Instance (Under Progress) <a href="#updating-instance" id="updating-instance"></a>

The permitted ***Time to Live*** limit for a Data Store is only 30 days (maximum). If it goes above that, data will not be present in the Report

. Hence, the user can manually update the instance. The ***Days Left*** column will highlight such condition as flashing ***Expire*** status in the red color. Click the user gets redirected to update the instance for the selected Data Store so the data will be refreshed again in the ***ES*** or ***MongoDB***.

{% hint style="success" %}
*Check out the given walk-through on how to update instance for a Personalised Data Store.*
{% endhint %}

{% embed url="<https://files.gitbook.com/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fq1Y2nC9XDrWcLwg1gpYr%2Fuploads%2FqbhRwExLTqTpjVpbOY4y%2FUpdating%20Instance%20Report%20V2.mp4?alt=media&token=e1dd424b-4db9-4aac-bcc6-f20743f8a8a7>" %}
***Updating Instance***
{% endembed %}

* Navigate to the ***Create New Report*** page.
* Filter the Data Store list with ***Personalised*** category.
* Select a Data Store from the ***Personalised*** category that has been expired.

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/LzogpuJiHs7hcX6LhkzX/image.png" alt=""><figcaption></figcaption></figure>

* Select the Data Store by using the checkbox provided next to the Data Store.&#x20;
* Click on the Datastore to open the ***Time to Live*** (TTL) option. Mention no. of days (up to 30 days is allowed for TTL).
* Click the ***Refresh*** option.

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/rE1LUMOh8KbhTMuFjYdz/image.png" alt=""><figcaption></figcaption></figure>

* A notification message appears to inform about the successful update of the Data Store.

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/Xz7u3mco8NWKeh7Kzolr/image.png" alt=""><figcaption></figcaption></figure>

* The Data Store gets refreshed, and the inserted no. of days get reflected under the Days Left column.
* Click the **Create Report** option to start with View creation part of the Report.

<figure><img src="https://content.gitbook.com/content/vIDgRfkRB1bQpGtEDFfQ/blobs/eNBmP9agkdJjgoIP5vVF/image.png" alt=""><figcaption></figcaption></figure>

{% hint style="info" %}
*<mark style="color:green;">Please Note:</mark> The user can distinguish between Datastores:*

* *Distinguish between instances and scheduler-based data stores.*
* *Distinguish between the **Active** and **Expired** instances.*
  * *The Expired Data Stores are mentioned with the Expired Status.*
    {% endhint %}