Uncategorized

Discuss candidate key, primary key, super key, composite key, and alternate key OR Explain primary key, super key, foreign key, and candidate key with examples. OR Define key. Explain various types of keys.

September 25, 2026 Uncategorized

Describe the three-schema architecture. Why do we need mappings between schema levels? How do different schema definition languages support this architecture?

September 25, 2026 Uncategorized

Describe mapping constraints with their types.

September 25, 2026 Uncategorized

Draw an ER diagram for a small marketing company database, assuming your own data requirements.

September 25, 2026 Uncategorized

What is the purpose of an ER diagram? Construct an ER diagram for a University system.

September 25, 2026 Uncategorized

What is an ER diagram? Explain different components of an ER diagram with an employee project management system.

September 25, 2026 Uncategorized

What do you understand by attributes and domains? Explain various types of attributes used in a conceptual data model.

September 25, 2026 Uncategorized

What is an ER model? What are the elements of an ER model? OR What are the notations of an ER diagram?

September 25, 2026 Uncategorized

Briefly describe the overall structure of a DBMS. OR Draw the overall structure of a DBMS and explain its various components.

September 25, 2026 Uncategorized

Explain DBMS interfaces. What are the various DBMS interfaces?

September 25, 2026