what is a secondary key?

Question 1

Question 2

an attribute used to identify a group of records satisfying a given condition is

said to be a secondary key.in the employee table designation is a secondary key

because more than one employee can have the same designation.

SakshiSharma · Answer 1 · 2019-10-30T08:33:47+0000

an attribute used to identify a group of records satisfying a given condition is

said to be a secondary key.in the employee table designation is a secondary key

because more than one employee can have the same designation.

what is a secondary key?

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