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ALTER TABLE column_constraint specifies the properties of a PRIMARY KEY, FOREIGN KEY, UNIQUE, or CHECK constraint that is part of a new column definition added to a table. Is the name of the ...
/* Oops! We forgot to add the university_shortname column to the professors table. You've probably already noticed: In chapter 4 of this course, you'll need this ...
Adds columns to, drops columns from, and changes column attributes in an existing table. Adds, modifies, and drops integrity constraints from an existing table. Restriction: You cannot use any type of ...