A new requirement means the Staff table must also record each person's email address. Which statement changes the existing table?
Une nouvelle exigence impose que la table Staff enregistre aussi l'adresse e-mail de chaque personne. Quelle instruction modifie la table existante ?
Answers
AUPDATE Staff ADD Email;UPDATE Staff ADD Email;
BINSERT COLUMN Email INTO Staff;INSERT COLUMN Email INTO Staff;
CCREATE Staff Email VARCHAR(255);CREATE Staff Email VARCHAR(255);
DALTER TABLE Staff ADD Email VARCHAR(255);ALTER TABLE Staff ADD Email VARCHAR(255);
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