In the architecture of the Database System, external level is the Options: A . &nbspPhysical level B . &nbspLogical level C . &nbspConceptual level D . &nbspView level

In the architecture of the Database System, external level is the

Question

In the architecture of the Database System, external level is the

Options:

A . Physical level

B . Logical level

C . Conceptual level

D . View level

Answer: Option D

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Question 1. A schema describes....

Question 2. Which of the following is not a type of data?....

Question 3. A logical schema....

Question 4. What is data integrity....

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Question 7. Which of the following provides the ability to query information from the database and insert tuples into, delete tuple....into, delete tuples from, and modify tuples in the database?

Question 8. A _________ integrity constraint requires that the values appearing in specified attributes of any tuple in the referen....attributes of at least one tuple in the referenced relation

Question 9. In Hierarchical model records are organised as ....

Question 10. ....

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