ER diagram , Database Management System

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The database will enable college administrators the ability to track students initial major. This will help college officials decide how best to prepare students for their goals an

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A constraint named less_than_20 was defined on the field date_of_birth of table student. Delete this constraint. ALTER TABLE student DROP CONSTRAINT less_than_20;

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Consider the relation PERSON. If you want to display details of persons having age less than or equal to 30 than the select operation will be used as follows: σ AGE The resu

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