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October 4, 2023

SQL

Question 40 Consider the following relations: Consider the following SQL query. SELECT S. Student_Name, sum(P.Marks) FROM Student S, Performance P WHERE S.Roll_No = P.Roll_No GROUP BY […]
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October 4, 2023

Relational Schema

Question 4 The order of schema?10?101? and ???0??1 are ___________ and ______________ respectively. A 5.3 B 5.2 C 7.5 D 8.7 Database-Management-SystemRelational SchemaUGC-NET DEC-2019 Part-2 Correct […]
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October 4, 2023

Database-Management-System

Question 3 Which one of the options given below refers to the degree (or arity) of a relation in relational database systems? A Number of attributes […]
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October 4, 2023

UGC-NET DEC-2019 Part-2

Question 20 Which of the component module of DBMS does rearrangement and possible ordering of operations, eliminate redundancy in query and use efficient algorithms and indexes […]
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