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what is the difference between primary key and unique key?
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Answer / karishma39malik@gmail.com
primary key means... a key that is unique among all keys.. n
has no duplicate values and no repeated columns...
unique key is a key defined uniquely among all keys...
| Is This Answer Correct ? | 2 Yes | 0 No |
Answer / swi
1.IN ABAP Primary key is having null values where as in
unique key having no null values
| Is This Answer Correct ? | 5 Yes | 4 No |
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