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Consider the following query:
select distinct emp_id
from employee 
where project = ’Alpha’ and joining_year = 2009 and
emp_id not in (select emp_id
from employee
where project= ’Beta’ and joining_year= 2009);
What does the given query perform?
  • a)
    To find all the employees who were in the project 'Alpha' but not in the project 'Beta'.
  • b)
    To find all the employees who joined in 2009 and were in the project 'Alpha' but not in the project 'Beta'.
  • c)
    To find all the employees who joined in 2009 and were in the project 'Alpha' and the project 'Beta'.
  • d)
    To find all the employees who joined in 2009 and were in the project 'Alpha'.
Correct answer is option 'B'. Can you explain this answer?
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Consider the following query:select distinct emp_idfrom employeewhere project = ’Alpha’ and joining_year = 2009 andemp_id not in (select emp_idfrom employeewhere project= ’Beta’ and joining_year= 2009);What does the given query perform?a)To find all the employees who were in the project Alpha but not in the project Beta.b)To find all the employees who joined in 2009 and were in the project Alpha but not in the project Beta.c)To find all the employees who joined in 2009 and were in the project Alpha and the project Beta.d)To find all the employees who joined in 2009 and were in the project Alpha.Correct answer is option 'B'. Can you explain this answer?
Question Description
Consider the following query:select distinct emp_idfrom employeewhere project = ’Alpha’ and joining_year = 2009 andemp_id not in (select emp_idfrom employeewhere project= ’Beta’ and joining_year= 2009);What does the given query perform?a)To find all the employees who were in the project Alpha but not in the project Beta.b)To find all the employees who joined in 2009 and were in the project Alpha but not in the project Beta.c)To find all the employees who joined in 2009 and were in the project Alpha and the project Beta.d)To find all the employees who joined in 2009 and were in the project Alpha.Correct answer is option 'B'. Can you explain this answer? for GATE 2024 is part of GATE preparation. The Question and answers have been prepared according to the GATE exam syllabus. Information about Consider the following query:select distinct emp_idfrom employeewhere project = ’Alpha’ and joining_year = 2009 andemp_id not in (select emp_idfrom employeewhere project= ’Beta’ and joining_year= 2009);What does the given query perform?a)To find all the employees who were in the project Alpha but not in the project Beta.b)To find all the employees who joined in 2009 and were in the project Alpha but not in the project Beta.c)To find all the employees who joined in 2009 and were in the project Alpha and the project Beta.d)To find all the employees who joined in 2009 and were in the project Alpha.Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for GATE 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following query:select distinct emp_idfrom employeewhere project = ’Alpha’ and joining_year = 2009 andemp_id not in (select emp_idfrom employeewhere project= ’Beta’ and joining_year= 2009);What does the given query perform?a)To find all the employees who were in the project Alpha but not in the project Beta.b)To find all the employees who joined in 2009 and were in the project Alpha but not in the project Beta.c)To find all the employees who joined in 2009 and were in the project Alpha and the project Beta.d)To find all the employees who joined in 2009 and were in the project Alpha.Correct answer is option 'B'. Can you explain this answer?.
Solutions for Consider the following query:select distinct emp_idfrom employeewhere project = ’Alpha’ and joining_year = 2009 andemp_id not in (select emp_idfrom employeewhere project= ’Beta’ and joining_year= 2009);What does the given query perform?a)To find all the employees who were in the project Alpha but not in the project Beta.b)To find all the employees who joined in 2009 and were in the project Alpha but not in the project Beta.c)To find all the employees who joined in 2009 and were in the project Alpha and the project Beta.d)To find all the employees who joined in 2009 and were in the project Alpha.Correct answer is option 'B'. Can you explain this answer? in English & in Hindi are available as part of our courses for GATE. Download more important topics, notes, lectures and mock test series for GATE Exam by signing up for free.
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