Computer Science Engineering (CSE) Exam  >  Computer Science Engineering (CSE) Questions  >  Given the following schema:employees(emp-id, ... Start Learning for Free
Given the following schema:
employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)
You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:

Q. What is the outcome?
  • a)
    It executes but does not give the correct result.
  • b)
    It executes and gives the correct result.
  • c)
    It generates an error because of pairwise comparison.
  • d)
    It generates an error because the GROUP BY clause cannot be used with table joins in a subquery
Correct answer is option 'B'. Can you explain this answer?
Verified Answer
Given the following schema:employees(emp-id, first-name, last-name, hi...
The given query uses below inner query.
The inner query produces last max hire-date in every department located at location id 1700. The outer query simply picks all pairs of inner query. Therefore, the query produces correct result.
View all questions of this test
Explore Courses for Computer Science Engineering (CSE) exam

Similar Computer Science Engineering (CSE) Doubts

Top Courses for Computer Science Engineering (CSE)

Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer?
Question Description
Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. 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 according to the Computer Science Engineering (CSE) exam syllabus. Information about Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer? covers all topics & solutions for Computer Science Engineering (CSE) 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer?.
Solutions for Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for Computer Science Engineering (CSE). Download more important topics, notes, lectures and mock test series for Computer Science Engineering (CSE) Exam by signing up for free.
Here you can find the meaning of Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer? defined & explained in the simplest way possible. Besides giving the explanation of Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer?, a detailed solution for Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer? has been provided alongside types of Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer? theory, EduRev gives you an ample number of questions to practice Given the following schema:employees(emp-id, first-name, last-name, hire-date, dept-id, salary) departments(dept-id, dept-name, manager-id, location-id)You want to display the last names and hire dates of all latest hires in their respective departments in the location ID 1700. You issue the following query:Q. What is the outcome?a)It executes but does not give the correct result.b)It executes and gives the correct result.c)It generates an error because of pairwise comparison.d)It generates an error because the GROUP BY clause cannot be used with table joins in a subqueryCorrect answer is option 'B'. Can you explain this answer? tests, examples and also practice Computer Science Engineering (CSE) tests.
Explore Courses for Computer Science Engineering (CSE) exam

Top Courses for Computer Science Engineering (CSE)

Explore Courses
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
10M+ students study on EduRev