what do mean by a primary key in a computer??
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A primary key is a field that uniquely identifies rows /records of a table. For example, an Admission number field can be the primary key for a student-data table in a school.
_________________________
Properties of primary key field are:
*It does not accept duplicate values.
*It does not accept null values.
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❤HÖPĖ ÏŤ HÊŁPŠ ŸÖÚ❤
======================
☺⤵⤵⤵⤵⤵⤵⤵⤵⤵☺
A primary key is a field that uniquely identifies rows /records of a table. For example, an Admission number field can be the primary key for a student-data table in a school.
_________________________
Properties of primary key field are:
*It does not accept duplicate values.
*It does not accept null values.
=========================
✔✔✔✔✔✔✔✔✔✔
❤HÖPĖ ÏŤ HÊŁPŠ ŸÖÚ❤
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