The binary constraint must cover indicates that . A)a specific binary relationship must be included in a ternary relationship
B)a binary relationship includes a set of value combinations that must all occur in a ternary relationship
C)a table includes values that must occur in a binary relationship
D)a table includes values that must occur in a ternary relationship

B

Explanation:

binary relationship includes a set of value combinations that must all occur in a ternary relationship

yes! has an email you can use to contact them.

explanation:

here’s the link to their contact page:

no. when the asker posts the question they can make a question worth what ever they think is a fair price. although it must be within the limit of the points they currently own. 5 is the minimum number of points a question can be worth. if a question is complicated or has lots of parts to it, it is better to make it worth more because more people will be more willing to answer.

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