Examlex
Which of the following statements regarding Internet2 is true?
Foreign Key
A field in a database table that creates a link between two tables, identifying a row in another table to establish a relationship.
Primary Key
A unique identifier for each record in a database, used to ensure that each row represents a unique instance of the entity modeled by the table.
Secondary Key
A database attribute used for sorting and/or indexing data, which is not the primary key.
Relational Database Model
Data model based on the simple concept of tables in order to capitalize on characteristics of rows and columns of data.
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