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Basic Operations in Relational Databases by Nata Raj is a document available to read on EtoBox.
What is Basic Operations in Relational Databases about?
The document provides an overview of the relational data model, introduced by Ted Codd in the 1970s, emphasizing its structure as a collection of tables (relations) with defined attributes and constraints. It details key concepts such as tuples, relation schemas, and various types of constraints (domain, key, entity integrity, and referential integrity) that ensure data accuracy and consistency. Additionally, it discusses relational operations (select, project, union, etc.), advantages and disadvantages of
- Author
- Nata Raj
- Language
- EN