Computer Science, asked by Aliyah007, 1 year ago

define primary key of the book table,also mention the suitable reason for choosing it as a primary key.

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Answered by Vaish720

A primary key is a field in a table
which uniquely identifies each row/record in a database table. ... A primary key column cannot have NULL values. A table can have only one primary key, which may consist of single or multiple fields.

Aliyah007: thnku so much vaish

Answered by mallikarjunsajjanar0

ask your mother for better results because she is god

Aliyah007: excuse me

Aliyah007: I hv asked u a question

mallikarjunsajjanar0: i know

Aliyah007: so

Aliyah007: u should hv answered it

mallikarjunsajjanar0: no its my brother who answered it sorry for the mistake of mine but i know the answer

Aliyah007: so answer it in the comment section

mallikarjunsajjanar0: ok

mallikarjunsajjanar0: sure

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define primary key of the book table,also mention the suitable reason for choosing it as a primary key.​

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define primary key of the book table,also mention the suitable reason for choosing it as a primary key.