Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
The entity relationship diagram shows the relational model applied to tracking data on individual experiments. The fields and their relationships for the various levels of information are shown by connecting lines. System users are able to load, retrieve, and update experiment information in the database via a Web interface.
