A PRIMARY KEY must
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Keep practicing — related questions
- Features of Primary Key are:
- Can Primary Key be Null?
- Which key or part of that key cannot contain a null value?
- The UNIQUE constraint requires that values must be
- Which is not a type of constraint
- An attribute declared as primary key can have null values.
- What is a Primary Key?
- A ___________ key value must match an existing primary key value or unique key value.