Basic structure of relational model
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A relational database consists of a collection of tables, each having a unique name. A row in a table represents a relationship among a set of values. Thus a table represents a collection of relationships. There is a direct correspondence between the concept of a table and the mathematical concept of a relation.
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Structure of Relational Database
A relational database consists of a collection of tables, each having a unique name.
A row in a table represents a relationship among a set of values.
Thus a table represents a collection of relationships.
There is a direct correspondence between the concept of a table and the mathematical concept of a relation. A substantial theory has been developed for relational databases.
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