Consider the following database: salaried worker (name, office, phone, salary) hourly worker (name, hourly wage) address (name, street, city) Create an SQL assertion that ensures that every name that appears in the relation address appears in either salaried_worker or hourly_worker, but not necessarily in both.

Hypothesis: volumes of both figures are equal.the volume of  figure 1 is: .the volume of figure 2 is: .since , you can conclude that and . so, .volumes of figures are equal only when an angle in the basis is right (then figures will be the same), in another cases volume of figure 1 is less than volume of figure 2.the hypothesis was not correct in all cases.

Answercomposite key;

Ithink the answer is slide show