SQL Problem Solving: Eligibility Check for Further Interviews | DATEDIFF Function Tutorial
Join us in this SQL problem-solving session where we tackle the challenge of identifying candidates eligible for further interviews based on two criteria. We'll leverage the powerful DATEDIFF function to filter candidates who haven't appeared for 2 or more interviews and those who haven't interviewed within the last 180 days. Whether you're a beginner or seeking advanced SQL solutions, this tutorial is designed for you.
Note: It is sufficient for us to check whether the "latest interview date" on which the candidate has appeared is within 180 days or not. There is no need to check each and every interview date for 180 days criteria for a particular candidate.
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Table creation & insertion script:
CREATE TABLE candidate(
id int,
name varchar(50),
interview_date date
);
INSERT INTO candidate VALUES(1525,'Radhika Kumari','2021-05-04'),(1525,'Radhika Kumari','2022-12-23'),(1837,'Samarth Gupta','2022-01-29'),(1899,'Koyal Khatri','2023-01-09'),(1985,'Vani Mitra','2023-05-05');
#sql #interview #datediff #problemsolving
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