# External systems

<a id="database.varcsystems"></a>

## varcsystems

> **Warning:** This page was automatically generated from the database schema dump and may be incomplete or incorrect.

Configuration table for connected external systems (variant-connector / varc systems). One entry per external source with driver, parameter string and alias.

### Columns

| Name | Type | Length | Description |
|---|---|---|---|
| `systemid` | `int` | — | System ID (primary key). |
| `driver` | `nvarchar` | 248 | Driver / connector name. |
| `params` | `nvarchar` | max | Parameter string for the driver (e.g. connection and authentication data). |
| `alias` | `nvarchar` | 255 | Display alias / short name of the system. |

### Related Server-API jobs

* [std.ConfigVarc](../std.md#std.ConfigVarc) — configuration job for varc systems.