Question: What is a database? Why is the primary key or unique identifier critical in a database? Describe how field names should be defined in the

What is a database?
Why is the primary key or unique identifier critical in a database?
Describe how field names should be defined in the database.
Why is it not a good to assign field names such as field1, field2, field3, and so on?
Which field should be designated as the primary key?
What is the significance of a database in today's society?

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