Answered step by step
Verified Expert Solution
Question
1 Approved Answer
Quiz 2 13- What will be the result of the following query? (SELECT studentid FROM student WHERE SECTION='c') EXCEPT (SELECT studentid FROM student WHERE roll
Quiz 2 13- What will be the result of the following query? (SELECT studentid FROM student WHERE SECTION='c') EXCEPT (SELECT studentid FROM student WHERE roll 10 III) All the values of the studentid for which section not c and roll 10 IV 6 1 III d) II Leave blank Close Quiz 2. 14- Consider the following Entitiy Relationship diagram. Which of the following relation will not hold if the above ER diagram is mapped into a relational model? 1) Person (PID, Name) II) Qualification (PID, ExamID, QualifiedDate) III) Exam (ExamID, PID, ExamName) IV) Exam (ExamlD, ExamName) PID Name QualifiedDate ExamID ExamName M N Person Qualification Exam 6 a) IV II III 1 Leave blank Close Quiz 2. 15. What type of join is needed when you wish to include rows that do not have matching values? 1) Equi-join II) Natural join III) Outer join IV) All of the mentioned II a) b) III IV Leave blank Close End the Exam
Step by Step Solution
There are 3 Steps involved in it
Step: 1
Get Instant Access to Expert-Tailored Solutions
See step-by-step solutions with expert insights and AI powered tools for academic success
Step: 2
Step: 3
Ace Your Homework with AI
Get the answers you need in no time with our AI-driven, step-by-step assistance
Get Started