Infosys Question:
Download Job Interview Questions and Answers PDF
Explain the different levels of database schema of Infosys?
Answer:
✰ Conceptual schema- a map of concepts and their relationships.
✰ Logical schema- a map of entities and their attributes and relations
✰ Physical schema- a particular implementation of a logical schema
✰ Schema object- Oracle database object
✰ Logical schema- a map of entities and their attributes and relations
✰ Physical schema- a particular implementation of a logical schema
✰ Schema object- Oracle database object
Download Infosys Interview Questions And Answers
PDF
| Previous Question | Next Question |
| Explain database Schema in Infosys? | What is Reference Key in Infosys? |