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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 / bhakti
ya thats true.i.e.,in case of Primary Key we can have
parent to child relationship if that is say foreign key in
another table.In case of unique and not null we cant achive
dis.
But while inserting data into one table both will have no
difference.
| Is This Answer Correct ? | 7 Yes | 4 No |
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