Site icon Exam4Training

Which statement describes a logical database model?

A database analyst is modelling a database for a large toy manufacturer.

Which statement describes a logical database model?
A . The layer of views created to summarize data or provide another perspective of certain data
B . A model that depicts the actual design of the relational database
C . An abstraction of the conceptual data model that includes rules of normalization
D . Modelling that involves objects being defined at the schema level

Answer: C

Explanation:

A logical database model is a data model of a specific problem domain expressed independently of a particular database management product or storage technology. It describes data using notation that corresponds to a data organization used by a database management system, such as relational tables and columns. It also includes rules of normalization, which are the process of converting complex data structures into simple, stable data structures12

Reference: 1: Logical schema – Wikipedia 2: What Is a Data Model? | Coursera

Latest CBDA Dumps Valid Version with 152 Q&As

Latest And Valid Q&A | Instant Download | Once Fail, Full Refund

Exit mobile version