Data-model meaning

A description of the organization of a database. It is often created as an entity relationship diagram. Today's modeling tools allow the attributes and tables (fields and records) to be graphically created. The SQL code that defines the data structure (schema) in the database is automatically created from the visual representation. See entity relationship model.
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(databases) A result of applying a data modeling to some particular application, using a database model such as relational.
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(databases) A database model, such as relational or hierarchical.
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