IQVIA Interview Questions, Process, and Tips

Q1. Outcome of joins
Ans. 
Joins in SQL combine rows from two or more tables based on a related column between them.
• Joins are used to retrieve data from multiple tables based on a related column between them.

• Common types of joins include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN.

• INNER JOIN returns rows when there is at least one match in both tables.

• LEFT JOIN returns all rows from the left table and the matched rows from the right table.

• R...read more
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Q2. Types of joins in sql
Ans. 
Types of joins in SQL include inner join, outer join, left join, right join, and full join.
• Inner join: Returns rows when there is a match in both tables

• Outer join: Returns all rows when there is a match in one of the tables

• Left join: Returns all rows from the left table and the matched rows from the right table

• Right join: Returns all rows from the right table and the matched rows from the left table

• Full join: Returns r
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Q1. How to optimise react applications
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Optimising react applications involves code splitting, lazy loading, using production build, minimizing bundle size, and optimizing images.
• Implement code splitting to load only necessary code for each route or component

• Utilize lazy loading to load components only when needed

• Use production build for better performance

• Minimize bundle size by removing unnecessary dependencies and code

• Optimize images by compressing them an
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Q1. Clinical questions: related to medicine
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Logical reasoning, English grammar, Clinical research industry related questions

Q1. Introduction about yourself
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Q2. Documents involved in trial setups
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Q3. Activities of setup and conduct
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Q4. What are the study milestones
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Q1. Total Number or years in experience
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Q2. Current and expected salary
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Q3. Notice period days
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Written test to check your communication skills and writing skills and some English grammar questions are there

It was a 1 hour test. topics were profit and loss, numbers, percentage, speed and time, English comprehension.

Q1. The interviewer asked me about my Resume and projects for 25-30 minutes. Basic questions from the project were also asked. Then 1 easy to moderate coding problem.
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Q2. Find pairs from array whose sum is equal to target.
Ans. 
Find pairs from array whose sum is equal to target.
• Use a hashmap to store the difference between target and each element in the array.

• Iterate through the array and check if the current element exists in the hashmap.

• If it exists, then a pair with the sum equal to target is found.
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Q1. Why IQVIA? What will you bring to the table?
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