What are the specialized relational operations that a relational database management system should be able to implement?

What are the specialized relational operations that a relational database management system should be able to implement?

Specialized relational operations that the relational database management system can implement include selection, projection, and connection.

Specialized relational operations of relational database management systems include selection operations, projection operations and join operations.

Related introduction:

Relational Database Management System (RDBMS) refers to a set of programs (database management system software) that includes interconnected logical organization and access to these data . A relational database management system is a system that manages relational databases and organizes data logically.

Commonly used relational database management system products are Oracle, IBM's DB2 and Microsoft's SQL Server.

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