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Database Systems Journal vol. II, no. 2/2011 55 Natural versus Surrogate Keys. Performance and Usability Dragos-Paul POP Academy of Economic Studies, Bucharest, ROMANIA dragon Paul pop yahoo.com Choosing

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What is natural versus surrogate keys?

Natural keys are used to identify a record based on its inherent attributes, such as a person's social security number. Surrogate keys, on the other hand, are artificially generated and have no meaning outside the system.

Who is required to file natural versus surrogate keys?

The requirement to file natural versus surrogate keys can vary depending on the specific context and system being used. Generally, database administrators or developers are responsible for implementing and managing the usage of natural versus surrogate keys.

How to fill out natural versus surrogate keys?

Filling out natural versus surrogate keys involves assigning or generating appropriate values for each type of key. For natural keys, existing attributes or identifiers with inherent meaning are used. Surrogate keys can be filled out using auto-incrementing values or other algorithms.

What is the purpose of natural versus surrogate keys?

The purpose of natural keys is to uniquely identify records based on their inherent attributes. Surrogate keys, on the other hand, provide a consistent and independent identifier that can be used even if the attributes of a record change.

What information must be reported on natural versus surrogate keys?

Only the keys themselves need to be reported for natural versus surrogate keys, as they serve as identifiers rather than containing additional information.

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