What is primary key in DBMS?

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Tags

1. #columns
2. #relational
3. #features
4. #uniquely
5. #cannot
6. #database
7. #table
8. #records
9. #values
10. #value
11. #column
12. #special
13. #designated
14. #contain
15. #combination
16. #identify
17. #unique
18. #primary