Explain what is meant by a “query”. Explain what is meant by a “query”.

Explain the purpose of a primary key in a database.

The appearance and shape of letters, numbers and special characters

Causes the program to fill the entire screenCauses the program to fill the entire screen

Statements that only run under certain conditions or situations.

Finding and fixing errors in programs. Finding and fixing errors in programs.

An action that causes something to happen.An action that causes something to happen.

A field in which people use the power of computers to solve big problems.

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