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Consider the following relational schema:employee(empId, empName, empDept)customer(custId, custName, salesRepId, rating)salesRepId is a foreign key referring to empId of the employee relation. Assume that each employee makes a sale to at least one customer. What does the following query return?a)Names of all the employees with at least one of their customers having a ‘GOOD’ rating.b)Names of all the employees with at most one of their customers having a ‘GOOD’ rating.c)Names of all the employees with none of their customers having a ‘GOOD’ rating.d)Names of all the employees with all their customers having a ‘GOOD’ rating.Correct answer is option 'D'. Can you explain this answer? for Computer Science Engineering (CSE) 2024 is part of Computer Science Engineering (CSE) preparation. The Question and answers have been prepared
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the Computer Science Engineering (CSE) exam syllabus. Information about Consider the following relational schema:employee(empId, empName, empDept)customer(custId, custName, salesRepId, rating)salesRepId is a foreign key referring to empId of the employee relation. Assume that each employee makes a sale to at least one customer. What does the following query return?a)Names of all the employees with at least one of their customers having a ‘GOOD’ rating.b)Names of all the employees with at most one of their customers having a ‘GOOD’ rating.c)Names of all the employees with none of their customers having a ‘GOOD’ rating.d)Names of all the employees with all their customers having a ‘GOOD’ rating.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam.
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Here you can find the meaning of Consider the following relational schema:employee(empId, empName, empDept)customer(custId, custName, salesRepId, rating)salesRepId is a foreign key referring to empId of the employee relation. Assume that each employee makes a sale to at least one customer. What does the following query return?a)Names of all the employees with at least one of their customers having a ‘GOOD’ rating.b)Names of all the employees with at most one of their customers having a ‘GOOD’ rating.c)Names of all the employees with none of their customers having a ‘GOOD’ rating.d)Names of all the employees with all their customers having a ‘GOOD’ rating.Correct answer is option 'D'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of
Consider the following relational schema:employee(empId, empName, empDept)customer(custId, custName, salesRepId, rating)salesRepId is a foreign key referring to empId of the employee relation. Assume that each employee makes a sale to at least one customer. What does the following query return?a)Names of all the employees with at least one of their customers having a ‘GOOD’ rating.b)Names of all the employees with at most one of their customers having a ‘GOOD’ rating.c)Names of all the employees with none of their customers having a ‘GOOD’ rating.d)Names of all the employees with all their customers having a ‘GOOD’ rating.Correct answer is option 'D'. Can you explain this answer?, a detailed solution for Consider the following relational schema:employee(empId, empName, empDept)customer(custId, custName, salesRepId, rating)salesRepId is a foreign key referring to empId of the employee relation. Assume that each employee makes a sale to at least one customer. What does the following query return?a)Names of all the employees with at least one of their customers having a ‘GOOD’ rating.b)Names of all the employees with at most one of their customers having a ‘GOOD’ rating.c)Names of all the employees with none of their customers having a ‘GOOD’ rating.d)Names of all the employees with all their customers having a ‘GOOD’ rating.Correct answer is option 'D'. Can you explain this answer? has been provided alongside types of Consider the following relational schema:employee(empId, empName, empDept)customer(custId, custName, salesRepId, rating)salesRepId is a foreign key referring to empId of the employee relation. Assume that each employee makes a sale to at least one customer. What does the following query return?a)Names of all the employees with at least one of their customers having a ‘GOOD’ rating.b)Names of all the employees with at most one of their customers having a ‘GOOD’ rating.c)Names of all the employees with none of their customers having a ‘GOOD’ rating.d)Names of all the employees with all their customers having a ‘GOOD’ rating.Correct answer is option 'D'. Can you explain this answer? theory, EduRev gives you an
ample number of questions to practice Consider the following relational schema:employee(empId, empName, empDept)customer(custId, custName, salesRepId, rating)salesRepId is a foreign key referring to empId of the employee relation. Assume that each employee makes a sale to at least one customer. What does the following query return?a)Names of all the employees with at least one of their customers having a ‘GOOD’ rating.b)Names of all the employees with at most one of their customers having a ‘GOOD’ rating.c)Names of all the employees with none of their customers having a ‘GOOD’ rating.d)Names of all the employees with all their customers having a ‘GOOD’ rating.Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Computer Science Engineering (CSE) tests.