IQVIA Intern Interview Questions and Answers

Q1. Anagram of two strings in java
Ans. 
Java program to check if two strings are anagrams
• Create a function that takes two strings as input

• Convert both strings to character arrays and sort them

• Check if the sorted arrays are equal to determine if they are anagrams
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Q2. Insert and select query in MySQL
Ans. 
Insert and select data in MySQL using SQL queries
• Use INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); to insert data

• Use SELECT * FROM table_name; to select all data from a table

• Use SELECT column1, column2 FROM table_name WHERE condition; to select specific data based on a condition
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Q3. Get and Post APIs in rest
Ans. 
GET and POST are HTTP methods used in REST APIs for retrieving and sending data.
• GET method is used to retrieve data from a server

• POST method is used to send data to a server

• GET requests are idempotent, while POST requests are not

• GET requests should only be used for retrieving data, not for modifying data

• Example: GET request to retrieve a list of users - GET /users

• Example: POST request to create a new user - POST /users
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Q1. What is Real World Evidence?
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Q2. How to get frequency counts?
Ans. 
Frequency counts can be obtained by counting the number of occurrences of each unique value in a dataset.
• Use the COUNTIF function in Excel to count occurrences of a specific value in a column

• Use the value_counts() function in Python's pandas library to get frequency counts of unique values in a dataframe column

• Use the table() function in R to get frequency counts of unique values in a vector or dataframe column
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Q1. What are the subjects you had during your course time?
Ans. 
Subjects during my course time included Mathematics, Physics, Chemistry, Biology, English, and Computer Science.
• Mathematics

• Physics

• Chemistry

• Biology

• English

• Computer Science
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Q2. Will you be able to work in shifts?
Ans. 
Yes, I am able to work in shifts and have previous experience doing so.
• I have worked in shifts in my previous job and have no issues with it.

• I am flexible with my schedule and can adjust to different shift timings.

• I understand the importance of teamwork and communication in a shift-based work environment.
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Q1. What is your background
Ans. 
I have a Bachelor's degree in Computer Science and have completed multiple internships in software development.
• Bachelor's degree in Computer Science

• Multiple internships in software development
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English, quants, reasoning

Q1. Logical based questions for the problem in any language
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