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Understanding Relational Model Basics by soorajkumar2828 is a document available to read on EtoBox.
The relational model was introduced by Ted Codd in 1970 and uses mathematical relations (tables) as its basic building block. It is based on set theory and first-order predicate logic. The model represents a database as a collection of relations, where each relation is a table composed of rows (tuples) and columns (attributes). Attributes have domains which define their possible data types and values. Relation schemas define the structure of relations, and relation states hold the actual data values in tupl
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