"A relational database is like a large spreadsheet. Each field is a column, each row is an entry. Relational databases use a set of tables to organize data. Each entry must be unambiguously identified Names are not reliable e.g. incorrectly assigned gene function Unique IDs (UID)s are used, e.g. in GenBank these are calledaccession numbers"
Feel free to be the first
Please review the linked page for context.
If you can think of something better than this,
please add it to the database