Database development process involves mapping of conceptual data model into
Correct answer: B. Network data model
- A. Object-oriented data
- B. Network data model
- C. Implementation
- D. Hermetic model
Explanation
A network data model is one type of logical data model that allows for more complex relationships between entities compared to the hierarchical model. It uses sets to link entities together, providing more flexibility for representing real-world scenarios. The conceptual data model captures the high-level entities and relationships, and the network data model refines this into a more detailed structure suitable for database implementation
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Databases cover tables, records, fields, keys and relationships, together with database management systems and relational database design. The subject includes primary and foreign keys, normalization, SQL commands such as SELECT, INSERT, UPDATE and DELETE, queries, forms and reports, while distinguishing a database from a spreadsheet used for simple tabular data.
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