Database Redesign
Database redesign is not terribly difficult if the:

database is well-designed.
database has no data.
database is structured.
database is relatively small.

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Database Redesign
What SQL command will allow you to change the table STUDENT to add the constraint named GradeCheck that states that the values of the Grade column must be greater than 0?

ALTER TABLE STUDENT ALTER CONSTRAINT GradeCheck (Grade > 0);
ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck CHECK (Grade > 0);
ALTER TABLE STUDENT ADD CONSTRAINT GradeCheck (Grade > 0);
None of these

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