what is a primary key?

Question 1

Question 2

primary key:an attribute to identify a record uniquely is considered to be

primary key.for eg in the student table student_no is the primary key because it

can be used to identify unique record or unique student.

SakshiSharma · Answer 1 · 2019-10-30T08:33:59+0000

primary key:an attribute to identify a record uniquely is considered to be

primary key.for eg in the student table student_no is the primary key because it

can be used to identify unique record or unique student.

what is a primary key?

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