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If a table column has is UNIQUE and has NOT NULL, is it
equivalent to a PRIMARY KEY column?
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Answer Posted / samir kumar sahoo.
no. bcoz we can insert null values in the column which
contains the combination of constraints as
UNIQUE+ NOT NULL
but in case of primary key we can't use null values in that
primary key column
| Is This Answer Correct ? | 2 Yes | 8 No |
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