Database-Management-System Archives - Page 18 of 158

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anand raudra

October 11, 2023

Database-Management-System

Question 42 For the schedule given below, which of the following is Correct? 1 Read A 2 Read B 3 Write A 4 Read A 5 […]

October 12, 2023

Database-Management-System

Question 102 Let r be a relation instance with schema R = (A, B, C, D). We define r1 = ΠA,B,C(R) and r2 = ΠA,D(R). Let s = […]

October 12, 2023

Question 253 The process of removing details from a given state representative is called___. A Extraction B Mining C Selection D Abstraction Database-Management-SystemData-ware-housingUGC NET JRF November […]

October 12, 2023

Database-Management-System

Question 181 Let R (A, B, C, D) be a relational schema with the following functional dependencies: A → B, B → C, C → D […]