Primary key is A. Uniquely identifies each record B. Cannot be repeated C. AutoNumber is example of Primary key D. All of the above

[amp_mcq option1=”Uniquely identifies each record” option2=”Cannot be repeated” option3=”AutoNumber is example of Primary key” option4=”All of the above” correct=”option4″]

The correct answer is D. All of the above.

A primary key is a column or combination of columns in a table that uniquely identifies each row in the table. It cannot contain duplicate values. AutoNumber is a data type that automatically generates a unique number for each new record in a table.

Here are some additional details about each option:

• Option A: A primary key uniquely identifies each record in a table. This means that no two records in a table can have the same primary key value.
• Option B: A primary key cannot be repeated. This means that a primary key value cannot be used for more than one record in a table.
• Option C: AutoNumber is an example of a primary key. AutoNumber is a data type that automatically generates a unique number for each new record in a table. This makes AutoNumber a good choice for a primary key.

I hope this helps!