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The Crystallography Open Database ( COD) is a database of crystal structures. [1] Unlike similar crystallography databases, the database is entirely open-access, with registered users able to contribute published and unpublished structures of small molecules and small to medium-sized unit cell crystals to the database.
Codd's twelve rules [1] are a set of thirteen rules ( numbered zero to twelve) proposed by Edgar F. Codd, a pioneer of the relational model for databases, designed to define what is required from a database management system in order for it to be considered relational, i.e., a relational database management system (RDBMS).
Boyce–Codd normal form. Boyce–Codd normal form ( BCNF or 3.5NF) is a normal form used in database normalization. It is a slightly stricter version of the third normal form (3NF). By using BCNF, a database will remove all redundancies based on functional dependencies.
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unified namespace for metabolites and biochemical reactions in the context of metabolic models. "MetaNetX". 240 metabolic models, 1292154 metabolites, 74613 reactions, 44 compartments. METLIN. Metabolite and Chemical Entity Database. tandem mass spectrometry of metabolites. "METLIN". 960,000.
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Edgar F. Codd. Edgar Frank " Ted " Codd (19 August 1923 – 18 April 2003) was an English computer scientist who, while working for IBM, invented the relational model for database management, the theoretical basis for relational databases and relational database management systems. He made other valuable contributions to computer science, but ...
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