To Ensure That There Are No Duplicate Records in a Database

question 37

Multiple Choice

To ensure that there are no duplicate records in a database table, you need to establish a ________.

• A) query
• B) primary key
• C) relationship
• D) foreign key

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Definitions:

Echoing Input

A programming practice where the input provided by a user is displayed back to them, often used for confirmation or debugging.

Programming Practice

A set of guidelines or best practices that are followed to produce high-quality, maintainable code.

NumberFormat

A class in Java that provides methods for formatting and parsing numbers to and from strings in a locale-sensitive manner.

Java.util.Locale

A class in Java that represents a specific geographical, political, or cultural region for tailoring information presentation.