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In Relational Algebra, What Command Causes Only Certain Columns to Be

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In relational algebra, what command causes only certain columns to be included in the new table?


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An organization or enterprising entity engaged in commercial, industrial, or professional activities.

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A branch of science that deals with the study of societies and the relationships among individuals within those societies.

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Application of scientific knowledge for practical purposes, especially in industry and our daily lives, encompassing devices, systems, and methods.

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