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IQVIA Interview Questions and Answers
142 Interview questions
Abstract classes can have implementation; interfaces cannot. Both define contracts for derived classes.
Abstract classes can have both abstract methods (without implementation) and concrete methods (with implementation).
Interfaces can only declare methods (no implementation) and properties, serving as a contract for implementing classes.
A class can inherit from only one abstract class but can implement multiple int...
You can swap two numbers using arithmetic operations or bitwise XOR without a third variable.
Using Addition and Subtraction: a = a + b b = a - b a = a - b Example: a=5, b=3 -> a=8, b=5 -> a=5, b=3
Using Bitwise XOR: a = a ^ b b = a ^ b a = a ^ b Example: a=5 (0101), b=3 (0011) -> a=6 (0110), b=5 (0101) -> a=3 (0011), b=6 (0110)
Segmentation and targeting methodologies help businesses identify and reach specific customer groups effectively.
Demographic Segmentation: Dividing the market based on age, gender, income, etc. (e.g., targeting millennials for tech products).
Geographic Segmentation: Segmenting based on location (e.g., marketing winter clothing in colder regions).
Psychographic Segmentation: Based on lifestyle, values, and personali...
Incremental and SCD types in IICS manage data updates efficiently in ETL processes.
Incremental Load: Only new or changed records are processed, reducing load time.
Example: Loading only new patient records from a database each day.
SCD Type 1: Overwrites old data with new data without keeping history.
Example: Updating a patient's address without retaining the old address.
SCD Type 2: Maintains historical data by crea...
PROC SORT in SAS organizes data in a specified order based on one or more variables.
Use PROC SORT to arrange data in ascending or descending order.
Syntax: PROC SORT DATA=dataset_name OUT=sorted_dataset_name;
Example: PROC SORT DATA=employees OUT=sorted_employees; BY salary; RUN;
You can sort by multiple variables: BY department salary; to sort by department first, then by salary within each department.
Use the NODUPK...
PROC FREQUENCY in SAS generates frequency tables for categorical data, summarizing counts and percentages.
Used to analyze the distribution of categorical variables.
Syntax: PROC FREQUENCY DATA=dataset; TABLES variable; RUN;
Example: PROC FREQUENCY DATA=sashelp.cars; TABLES Make; RUN; generates frequency counts of car makes.
Can include options like NOPRINT to suppress output or OUT= to create a dataset of frequencies...
I have extensive experience as a System Engineer handling hardware, software, and network issues.
Managed hardware installations and troubleshooting for servers, desktops, and peripherals
Installed, configured, and maintained software applications and operating systems
Diagnosed and resolved network connectivity issues
Performed regular maintenance tasks to ensure system reliability
Collaborated with cross-functional t...
I position myself as a strategic thinker, leveraging data analysis to drive informed decision-making and optimize business outcomes.
I analyze market trends to identify opportunities, like recognizing a shift towards sustainable products in consumer behavior.
I collaborate with cross-functional teams to align strategies, such as working with marketing to enhance product positioning.
I utilize data visualization tools...
Successfully led a marketing campaign that increased brand awareness and engagement, resulting in a 30% growth in social media followers.
Developed and executed a social media strategy that boosted engagement by 50% over three months.
Collaborated with a team to launch a product that exceeded sales targets by 20% in the first quarter.
Organized a community event that attracted over 200 participants, enhancing local b...
Key challenges faced include stakeholder alignment, resource management, and scope creep.
Stakeholder alignment: Ensuring all stakeholders are on the same page and have clear expectations.
Resource management: Balancing resources to meet project deadlines and budget constraints.
Scope creep: Managing changes to project scope to prevent delays and budget overruns.
IQVIA Interview Experiences
490 interviews found
Qhairunnisa Syed
Selected
I applied via Naukri.com and was interviewed in Dec 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Basic topics of plsql
- Q2. One query to fetch max n min of salary from emp table
- Ans.
Use SQL query to fetch maximum and minimum salary from emp table
Use SELECT MAX(salary) FROM emp to fetch maximum salary
Use SELECT MIN(salary) FROM emp to fetch minimum salary
(2 Questions)
- Q1. Performance tuning
- Q2. Indexes and exceptions used
- Ans.
Indexes and exceptions are used to optimize database performance and handle errors in code.
Indexes are used to quickly retrieve data from a database by creating a sorted list of values.
Exceptions are used to handle errors in code and prevent the program from crashing.
Examples: Creating indexes on frequently queried columns like 'id' or 'timestamp'. Using try-catch blocks to handle exceptions like divide by zero.
Skills evaluated in this interview
Anonymous
Selected
(2 Questions)
- Q1. Asking introduction and tools
- Q2. Asking command and down Time
Interview Preparation Tips
1. Optimize Your Resume & Cover Letter
Tailor your resume to each job by highlighting relevant skills and experience.
Use keywords from the job description to pass Applicant Tracking Systems (ATS).
Keep it concise (1-2 pages) and error-free.
Your cover letter should tell a compelling story about why you're a great fit.
2. Build & Leverage Your Network
Let friends, family, and former colleagues know you're job hunting.
Use LinkedIn to connect with professionals in your industry.
Attend networking events, career fairs, and industry meetups.
3. Use Multiple Job Search Strategies
Apply on company websites, job boards (LinkedIn, Indeed, Glassdoor), and recruitment agencies.
Reach out to hiring managers directly via LinkedIn or email.
Consider internships, freelance work, or contract jobs to gain experience.
4. Prepare for Interviews
Research the company and role thoroughly.
Practice common interview questions and prepare examples of your achievements.
Dress professionally and arrive early.
Follow up with a thank-you email after the interview.
5. Upskill & Stay Competitive
Take online courses or certifications relevant to your field.
Stay updated on industry trends.
Work on side projects or volunteer work to showcase your skills.
6. Stay Organized & Persistent
Track applications and follow up if you don’t hear back in a reasonable time.
Rejection is part of the process—keep applying and improving.
Set daily/weekly goals for job applications and networking.
Would you like help with a specific job search situation?
I appeared for an interview in Apr 2025, where I was asked the following questions.
- Q1. How do u handle millions of opportnity record process and account process at atime in batch, as execute can only have 50k records by soql
- Ans.
Efficiently processing millions of records requires strategic batching and optimization techniques.
Use Batch Apex to process records in manageable chunks, leveraging the execute method to handle 50k records at a time.
Implement a Queueable Apex pattern to chain multiple jobs, allowing for asynchronous processing of large datasets.
Utilize Salesforce's Bulk API for handling large volumes of records, which can process up t...
- Q2. If account name is changing inform other systems integrated with salesforce, self relationship and how do u handle it on case object, if you are using lookup and mandate parent case, how will you make sure...
Selected
I appeared for an interview in Dec 2024, where I was asked the following questions.
- Q1. Overall work experience questions
- Q2. Key words - DMP, Protocol, ALS, Trials, RECIST
- Q3. Setup conduct closeout processes
- Q4. Why this company? Why the switch?
I applied via Approached by Company and was interviewed in Dec 2024. There was 1 interview round.
(3 Questions)
- Q1. Introduce yourself. Roles and Projects you were part of.
- Q2. SQL joins, CTEs, Snowflake
- Q3. Python libraries, data cleaning techniques
Interview Preparation Tips
- MySQL
- Python
- Power Bi
I applied via Walk-in and was interviewed in Dec 2024. There was 1 interview round.
(2 Questions)
- Q1. Tell me more about yourself.
- Ans.
I am a data-driven professional with a background in analytics and a passion for problem-solving.
I have a degree in statistics and experience working with various data analysis tools.
I have successfully implemented data-driven strategies to improve business performance.
I am skilled in data visualization and communicating complex findings to stakeholders.
- Q2. Can you describe a project in which you managed all aspects of the project lifecycle?
- Ans.
Managed a project to implement a predictive analytics model for a retail company.
Conducted data analysis to identify key variables for the model
Built and validated the predictive model using machine learning algorithms
Collaborated with IT team to integrate the model into the company's existing systems
Provided training to end users on how to interpret and use the model's predictions
Interview Preparation Tips
(3 Questions)
- Q1. Brief introduction
- Q2. Prior experience
- Q3. Question based on prior experience
I applied via LinkedIn and was interviewed in Oct 2024. There was 1 interview round.
(4 Questions)
- Q1. Tell about yourself
- Q2. Please summarize your experience with analytical or programming tools (e.g. Excel, Python, R, SQL, etc) (1 min 30 s)
- Ans.
I have extensive experience with Excel, Python, R, and SQL for data analysis and programming tasks.
Proficient in Excel for data manipulation, analysis, and visualization
Skilled in Python for data cleaning, statistical analysis, and machine learning
Familiar with R for statistical modeling and data visualization
Experience with SQL for querying databases and extracting insights
- Q3. Describe your experience in working in a cusomer support/service or client-facing role (1 min)
- Q4. Why should we hire you (1 min)
- Ans.
I bring a unique blend of analytical skills, industry knowledge, and a passion for data-driven decision-making.
Strong analytical skills: I have experience using tools like Excel and SQL to analyze large datasets, leading to actionable insights.
Industry knowledge: I have worked in the finance sector, understanding market trends and consumer behavior, which can benefit your team.
Problem-solving mindset: In my previous ro...
Skills evaluated in this interview
(1 Question)
- Q1. Question asked on sql
(1 Question)
- Q1. SQL and writing statements on it
(1 Question)
- Q1. Can you describe the project work you have completed?
- Ans.
I have completed various project works including data analysis, process improvement, and stakeholder communication.
Led a team in implementing a new data analysis tool to streamline reporting processes
Developed a project plan to improve efficiency in inventory management
Communicated project updates to stakeholders through regular meetings and reports
I applied via Naukri.com and was interviewed in Aug 2024. There was 1 interview round.
(13 Questions)
- Q1. Introduce yourself
- Ans.
I am a highly skilled Automation Engineer with a strong background in programming and problem-solving.
Experienced in designing, developing, and implementing automated test scripts
Proficient in programming languages such as Python, Java, and C++
Familiar with testing tools like Selenium and Appium
Strong analytical and troubleshooting skills
Excellent communication and teamwork abilities
- Q2. Explain the project and which technologies have you used
- Ans.
Developed a robotic arm project using PLC and HMI technologies
Designed the control system using Programmable Logic Controller (PLC)
Implemented the Human Machine Interface (HMI) for user interaction
Integrated sensors for feedback and control
Utilized ladder logic programming for PLC
Tested and debugged the system for efficiency
- Q3. In which programming language you are comfortable
- Ans.
I am comfortable with multiple programming languages, including Python, Java, and C++.
Proficient in Python for automation scripting
Experience with Java for backend development
Knowledge of C++ for system programming
Comfortable switching between languages based on project requirements
- Q4. Explain about OOPs
- Ans.
OOPs stands for Object-Oriented Programming, a programming paradigm based on the concept of objects.
OOPs focuses on creating objects that contain data and methods to manipulate that data.
Encapsulation, inheritance, and polymorphism are key principles of OOPs.
Examples of OOP languages include Java, C++, and Python.
- Q5. Difference between Overloading and overriding
- Ans.
Overloading is when multiple methods have the same name but different parameters, while overriding is when a subclass provides a specific implementation for a method in the superclass.
Overloading involves multiple methods with the same name but different parameters
Overriding involves a subclass providing a specific implementation for a method in the superclass
Overloading is determined at compile time, while overriding ...
- Q6. What have you faced during the project and how you handled
- Ans.
I faced challenges with integrating a new automation tool and resolved it by conducting thorough research and seeking help from experts.
Encountered compatibility issues with the new automation tool
Researched online forums and documentation for solutions
Sought advice from colleagues and experts in the field
Implemented workarounds and conducted thorough testing to ensure functionality
- Q7. Difference between css and bootstrap
- Ans.
CSS is a styling language used to design web pages, while Bootstrap is a front-end framework that helps in building responsive and mobile-first websites.
CSS is a styling language used to control the look and feel of a website.
Bootstrap is a front-end framework that provides pre-designed templates and components for building responsive websites.
CSS requires manual coding for styling elements, while Bootstrap offers read...
- Q8. Write the program to swap the two values without using third variable
- Ans.
Swap two values without using a third variable in a program
Use bitwise XOR operation to swap two values without using a third variable
Example: int a = 5, b = 10; a = a ^ b; b = a ^ b; a = a ^ b; // Now a = 10, b = 5
Ensure the values are of the same data type for bitwise XOR operation to work correctly
- Q9. Write the program to take the input from the user as string array and remove all vowels from the string
- Ans.
Program to remove vowels from string array input by user
Iterate through each string in the array
For each string, iterate through each character and remove vowels
Use a function to check if a character is a vowel (e.g. 'aeiouAEIOU')
- Q10. Find the 2nd maximum salary form the employee table
- Ans.
To find the 2nd maximum salary from the employee table
Order the salaries in descending order
Use LIMIT 1,1 to get the second highest salary
- Q11. What is joins and explain about its types
- Ans.
Joins are used to combine rows from two or more tables based on a related column between them.
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.
RIGHT JOIN returns all rows from the right table and the matched rows from the left table.
FULL ...
- Q12. What is REST API
- Ans.
REST API is a type of web service that allows communication between different systems over HTTP.
REST stands for Representational State Transfer
Uses standard HTTP methods like GET, POST, PUT, DELETE
Data is transferred in JSON or XML format
Stateless communication between client and server
Example: Twitter API allows developers to access and interact with Twitter data
- Q13. And some questions about job roles
Skills evaluated in this interview
(2 Questions)
- Q1. Introduce Yourself
- Q2. How do you approach an HCP Segmentation Analysis
(2 Questions)
- Q1. Case Study based Sales force Sizing
- Q2. Challenges faced while doing automation
- Ans.
Challenges in automation include tool selection, maintenance, and handling dynamic elements.
Tool selection - choosing the right automation tool for the project requirements
Maintenance - keeping automation scripts up to date with application changes
Handling dynamic elements - dealing with elements on the page that change frequently
Data management - ensuring data integrity and accuracy in automated tests
Skills evaluated in this interview
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IQVIA Interview FAQs
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IQVIA Interviews By Designations
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Overall Interview Experience Rating
based on 374 interview experiences
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IQVIA Reviews and Ratings
based on 4.5k reviews
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