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Historian Security Groups and the Database Tables

A user with membership in the iH Readers security group can access any table in the Historian OLE DB Provider, even the ihArchives and ihCollectors tables. Members of the iH Readers group have read-only access to these tables.

Since the Historian OLE DB Provider only supports read-only access to data and does not allow INSERT or UPDATE operations, no users can make changes to the data in these tables. This includes members of the iH Readers security group and even security administrators in the iH Security Admins security group.

For more information on Historian group rights, refer to Chapter 5 in the Getting Started with Historian manual.