In ModelBuilder, I have a work flow (data is stored in a File Geodatabase) that currently concludes with the use of the Append tool. I am looking to delete a features, as the last function of the work flow, without creating another dataset (more like working directly off of the appended dataset). So how can I delete features that have a specific value for a given field and how can this be done without creating an additional dataset. I've looked at the Delet Features and Delete Rows tools but neither of these tools work for this application.
I would be interested in a Python solution as well.