Question: SQL language 5 points Suppose that for an entity E, there are two candidate keys, A and B. If we make A the primary key,

SQL language

SQL language 5 points Suppose that for an entity E, there are

5 points Suppose that for an entity E, there are two candidate keys, A and B. If we make A the primary key, what should we do with B just treat it like a regular attribute use the NOT NULL constraint use the UNIQUE constraint make it a SERIAL field

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