> For the complete documentation index, see [llms.txt](https://jframework.gitbook.io/help/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://jframework.gitbook.io/help/other-concepts/system-data.md).

# System data

System data refers to any data that is used or generated by JFW during its operation. System data can include a wide range of information such as user preferences, user activity logs, system performance metrics, system configurations, and more.

If a table’s data record marked as "System" is the data created by the Jframework Team. Otherwise, the data is created by end-dev.

For example: With the information below, we can see that {Active, Inactive, Blocked, Suspended, Deleted} is created by the system. {Spam} is created by end-dev.

<table><thead><tr><th>#</th><th>Name</th><th>Value</th><th width="120">Desciption</th><th>Is_System</th><th>Is_Default</th></tr></thead><tbody><tr><td>1</td><td>Active</td><td>1</td><td><em>User status is active</em></td><td>YES</td><td>NO</td></tr><tr><td>2</td><td>Inactive</td><td>0</td><td><em>User status is inactive</em></td><td>YES</td><td>YES</td></tr><tr><td>3</td><td>Blocked</td><td>-1</td><td><em>User status is blocked</em></td><td>YES</td><td>NO</td></tr><tr><td>4</td><td>Suspended</td><td>-2</td><td><em>User has been suspended by some reasons</em></td><td>YES</td><td>NO</td></tr><tr><td>5</td><td>Deleted</td><td>-4</td><td><em>User was marked as deleted</em></td><td>YES</td><td>NO</td></tr><tr><td>6</td><td>Spam</td><td>-5</td><td><em>User was marked as spam</em></td><td>NO</td><td>NO</td></tr></tbody></table>

{% hint style="warning" %}
The data marked as "System" must be deleted by DBA, not by methods from Jframework or other end-dev implementations (.NET, Java, API).
{% endhint %}


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