In Relational Algebra, What Command Is Used to Identify Certain

question 14

Multiple Choice

In relational algebra, what command is used to identify certain columns?

• A)SELECT
• B)DELETE
• C)PROGRAM
• D)PROJECT

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Definitions:

Output Contract

An agreement in which a seller agrees to sell and a buyer agrees to buy all the output that a producer produces, without specifying exact quantities.

Manufacturers

Entities involved in the process of converting raw materials into finished products through various means, including physical, labor-intensive, or mechanical processes.

Distributors

Entities that buy products directly from manufacturers and sell them to retailers or end consumers, acting as intermediaries in the supply chain.

Legal Consideration

An essential element in contract law that refers to something of value exchanged between parties as part of an agreement, which is necessary for the contract to be enforceable.