Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed _____ in the m:n relationship.

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19-08-2022
Mathematics

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Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed _____ in the m:n relationship.

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tutorconsortium203 tutorconsortium203 · Answer 1 · 2022-08-27T15:42:45+02:00

Composite primary keys are particularly useful as identifiers of composite entities, where each primary key combination is allowed "once" in the m:n relationship.

What is identifiers?

In C#, an identifier is a user-defined name for a program element.

Some key features regarding the identifiers are-

A namespace, class, method, variable, or interface can all be used.
Identifiers are symbols that are used in code to identify a specific a program element.
Types, constants, macros, and parameters are also mentioned.
An identifier title should describe the meaning and application of the element to which it refers.
C# is a compiled programming language with an implementation in which identifiers are really only compile-time entities.
During runtime, each identifier would be referred to by the memory location and offset assigned by the compiler towards its textual identifier token.
A verbatim identifier is one that begins with the letter "at the rate."

To know more about identifiers, here

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