Below is an example of a conceptual schema: A logical data model or logical schema is a representation of the abstract structure of the information domain that defines all the logical constraints ...

For example, it can be difficult for analysts ... engine on how data in the database is organized, whereas a data model is more conceptual and describes the data and relationships between the ...

Logical data models detail how entities in the conceptual model map to tables, fields, indexes and relationships within a relational database. For example, a relational table may represent an ...

How does deploying an aircraft carrier affect the future readiness of the fleet? A new data-modeling tool aims to predict it. (MC3Hannah Kantner/Navy) When it’s time to make a decision about ...