October 31, 2024

Functional-Dependency

Question 6 The symbol → indicates functional dependency in the context of a relational database. Which of the following options is/are TRUE? A (X,Y)→ (Z,W) implies […]
November 25, 2024

Candidate-key

Question 1 Consider a relational table with a single record for each registered student with the following attributes. 1. Registration_Num: Unique registration number of each registered […]
November 30, 2024

GATE 2006-IT

Question 15 Which of the following relational query languages have the same expressive power? 1. Relational algebra 2. Tuple relational calculus restricted to safe expressions 3. […]
December 13, 2024

Relational-Algebra

Question 9 A university placement center maintains a relational database of companies that interview students on campus and make job offers to those successful in the […]
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