What is the correct definition of a tuple in database terminology?

In database terminology, a tuple is defined as a row within a relational database. Each tuple represents a single record in a table and contains a set of related data items that correspond to the various attributes (or columns) of that table.

When you think of a relational database, it consists of tables that define how data is organized. Each of these tables is structured in rows and columns, where each row (or tuple) is an individual instance of the entity represented by the table. For example, in a customer table, each row would represent a specific customer, with columns for attributes like name, address, and phone number.

Understanding this definition is fundamental to working with relational databases, as it emphasizes the structured nature of data storage, which allows for efficient data management and retrieval. Recognizing the distinction between tuples and other components, like columns, is crucial in database design and querying.