(a) Define RDBMS. Explain the different keys in DBMS: primary key, candidate key, super key and foreign key. (b) Draw the 8-3 encoder logic diagram.

(a) Define RDBMS. Explain the different keys in DBMS: primary key, candidate key, super key and foreign key.

(b) Draw the 8-3 encoder logic diagram.

From the Cadet College Lecturer (ICT) May 2025 – Written exam, question 5 of 10.

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