This section explains on how to share data sources and manage the version history of data sources and delete them in the Bold BI.
Data Sources that are accessible by the user depending on the user’s permission is displayed in the data sources page.
There are two connection type available in Data source
* Live mode
* Extract mode
## Live mode connection
In this connection type data source directly fetched from source, examples like MySQL, Oracle, etc.
## Extract mode connection
In this connection type data source fetched from source periodically, examples like CSV, JSON, etc.
User can see the data source refresh status and occupied data rows count in this page.
Check [connectivity section](/cloud-bi/working-with-data-source/data-connectors/) for more details.
## Refresh Setting
This section explains on how to configure the data source refresh setting.
### Steps to configure a data source refresh setting
1. Click the `Actions` button in the Data sources grid context menu and select `Refresh Setting` option.
2. Select the recurrence type, recurrence, start and end dates in the `Refresh Setting` dialog box.
* Data refresh can be scheduled hourly, daily, weekly and monthly.
* The minimum data refresh interval time will be 15 minutes.
* Application Time Zone is displayed below the date picker. Start time of the schedule is converted to client Time Zone and shown in the right side for the user’s convenience, after selecting click on the `Schedule` button.
* Data refresh failure notification can be sent to the owner of the data source with the error message and a link to the data source refresh history by enabling the send failure notification to owner option.
* Bold BI application deactivates the data refresh, after limited consecutive failures and send the disable notification to the owner by mail.
> **NOTE:** Only the data source created with extract mode will have this refresh setting option.
## Refresh Data
Data refresh can be made to run on demand by using the `Refresh Data` option in the data source grid context menu.
## Refresh History
You can see the data refresh history information of corresponding data source in the `Refresh History` option in the data source grid context menu.
And, also you can see the failure information by clicking the failed link in run history dialog box.
> **NOTE:** Only the data source created with extract mode will have this refresh history option.
## Share Data sources
This section explains on how to share data sources with the other users in the Bold BI.
### Steps to share a data source
1. Click the `Actions` button in the Data sources grid context menu and select `Sharing Permissions` option.
2. Select the permission access from the `Select Access` dropdown and type in user or a group name whom you want to share the data source with.
3. After selecting the permission access and users or groups, click on the `Share` button.
> **NOTE:** Only the user who created the data source and the Administrator can share the data source with other Bold BI users.
### Remove Permission
The user who created the data source and the Administrator can remove the shared data source permissions.
1. Click the `Manage Access` button to see the users or groups and their permissions.
2. Then remove the permissions using the `Remove` option in the `Actions` column of the each permissions.
## Version History
Versions and file logs for each data source are maintained in the Bold BI for every changes in the data source. Check [Version History](/cloud-bi/managing-resources/manage-dashboards/version-history-of-dashboards/) section for more details.
## Delete Data Sources
Data Sources can also be deleted from the Bold BI when they are no longer required.
Click the `Actions` button in the data sources grid context menu and select `Delete` to delete the data source.
## Preview Data Sources
You can preview the data of your data sources.
Click `Actions` in the data sources grid context menu and select `Preview Data` to preview the data source.
## Copy Data Sources
You can copy the data source item only for the data source type in **Live** mode connection.
Click the `Actions` button in the data sources grid context menu and select `Copy Data Source` to copy the data source.
> **NOTE:** The copy option shown only for Live mode connection like SQL and won't shown for Extract mode connection like files, web API, etc.
