Aspire's Library

A Place for Latest Exam wise Questions, Videos, Previous Year Papers,
Study Stuff for MCA Examinations - NIMCET
Aspire Study - Best NIMCET Coaching

🎯 Crack NIMCET with Aspire Study

🔹 India's Most Trusted MCA Coaching
💻 Live + Recorded Classes | 👨‍🏫 Expert Faculty
📝 All India Test Series | 🎯 Personal Mentorship

🥈 NIMCET AIR 2: Ayush Garg

🚀 Join Aspire Now

📂 Aspire Study Library

Question Id : 14981 | Context : UGC NET Computer Science 26 June 2025 (Paper II)
Consider the following three relations:

Employee(eid, eName), Comp(cid, cName), Own(eid, cid).
Which of the following relational algebra expressions return the set of eids who own all brands?

(1) π_eid( π_eid,cid(Own) ÷ π_cid(Comp) )
(2) π_eid( π_eid(Own) × π_cid(Comp) )
(3) π_eid( π_eid,cid(Own) × π_cid(Comp) )
(4) π_eid( π_eid(Own) × (π_cid,cName(Own) ÷ π_cid(Comp)) )

Aspire Study Online Test Series,
Information About Examination,
Syllabus, Notification
and More.

Click Here to
View More
📲
Ask Your Question or Put Your Review.

loading...