---
layout: article
title: MPE_GROUPS
description: The MPE_GROUPS table defines optional groups and group membership used to secure access to tables in Data Controller for SAS®.
---

# MPE_GROUPS

The `MPE_GROUPS` table defines optional groups, and the members of those groups, used to secure access in Data Controller.

A more detailed breakdown is available in the [configuration](/dcc-groups/) section.

## Columns

 - `TX_FROM num`: SCD2 open datetime
 - 🔑 `GROUP_NAME char(100)`: The name of the group
 - `GROUP_DESC char(256)`: A description of the group
 - 🔑 `USER_NAME char(50)`: The user (SAS identity name) who is a member of the group
 - `TX_TO num`: SCD2 close datetime