Question

In a database table, a primary key is used to:

1.
Uniquely identify each record
2.
Connect to the internet
3.
Sort the records alphabetically
4.
Encrypt the data
Answer (Detailed Solution Below)

Option 1 : Uniquely identify each record

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Detailed Solution

सही उत्तर Uniquely identify each record है।

Key Points

A primary key uniquely identifies each record in a table and cannot contain duplicate or null values.

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More Domain-Specific Questions

PrepSnapprepsnap.in • Domain-Specific

Question:

In a database table, a primary key is used to:

1.
Uniquely identify each record
2.
Connect to the internet
3.
Sort the records alphabetically
4.
Encrypt the data

Correct Answer: Uniquely identify each record

A primary key uniquely identifies each record in a table and cannot contain duplicate or null values.

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