Database-Management-System Archives - Page 84 of 162

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anand raudra

August 29, 2024

Database-Management-System

Question 464 For a database relation R(A, B, C, D) where the domains of A, B, C and D include only atomic values, only the following […]

August 29, 2024

Database-Management-System

Question 486 <consider the="" following="" relation:="" Works (emp name, company name, salary) Here, emp_name is primary key. Consider the following SQL query Select emp name From […]

August 29, 2024

Database-Management-System

Question 466 Let pk(R) denotes primary key of relation R. A many-to-one relationship that exists between two relations R1 and R2 can be expressed as follows […]

August 29, 2024

UGC NET CS 2017 Jan- paper-3

Question 7 Consider following schedules involving two transactions: S1 : r1(X); r1(Y); r2(X); r2(Y); w2(Y); w1(X) S2 : r1(X); r2(X); r2(Y); w2(Y); r1(Y); w1(X) Which of […]