= Composite field
{wiki=Composite_field}
A composite field is a data structure that combines multiple fields or attributes into a single field. This concept is often utilized in databases, programming, and data modeling contexts to create a more complex type that encapsulates related information. Here are a few contexts in which composite fields might be used: 1. **Databases**: In relational databases, a composite field could refer to a composite key, which is a primary key that consists of two or more columns.
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