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G2A.COM’s main offerings are game key codes for platforms such as Steam, EA app, Uplay, PlayStation Network, Xbox, and Nintendo Switch, as well as gift cards, top-ups, and other digital products. [5] As a marketplace, G2A.COM does not sell any digital items itself. Instead, the platform is an intermediary between buyers and sellers.
Database normalization is the process of structuring a relational database in accordance with a series of so-called normal forms in order to reduce data redundancy and improve data integrity. It was first proposed by British computer scientist Edgar F. Codd as part of his relational model . Normalization entails organizing the columns ...
Disjunctive normal form. In boolean logic, a disjunctive normal form ( DNF) is a canonical normal form of a logical formula consisting of a disjunction of conjunctions; it can also be described as an OR of ANDs, a sum of products, or — in philosophical logic — a cluster concept. [ 1] As a normal form, it is useful in automated theorem proving .
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Elementary key normal form. Elementary key normal form ( EKNF) is a subtle enhancement on third normal form, thus EKNF tables are in 3NF by definition. This happens when there is more than one unique compound key and they overlap. Such cases can cause redundant information in the overlapping column (s).