10+ IQVIA Interview Questions and Answers

MS Excel can store various types of data including numbers, text, dates, and formulas.

• Numeric data such as sales figures, budgets, and inventory levels

• Text data such as customer names, product descriptions, and employee information

• Date and time data such as order dates, delivery dates, and project deadlines

• Formulas and functions for calculations and data analysis

• Charts and graphs for visual representation of data

Ad discrepancy can be caused by various factors.

• Incorrect targeting

• Technical issues

• Ad fraud

• Ad blocking

• Ad viewability

• Ad placement

• Ad creative

• Ad frequency

• Ad format

• Ad server discrepancies

DBMS stands for Database Management System. It is a software system that manages and organizes data in a database.

• DBMS is used to create, modify, and delete databases and their objects.

• It provides a way to store and retrieve data efficiently.

• Examples of DBMS include MySQL, Oracle, and Microsoft SQL Server.

UML stands for Unified Modeling Language, a visual language used to model software systems.

• UML is used to create diagrams that represent different aspects of a software system, such as use cases, class diagrams, and sequence diagrams.

• It is a standardized language that allows developers to communicate and collaborate effectively.

• UML is not a programming language, but rather a modeling language that helps developers design and plan software systems.

• Examples of UML diagrams incl...read more

A linked list is a data structure consisting of nodes where each node contains a data field and a reference to the next node in the sequence.

• Consists of nodes connected by pointers or references

• Each node contains data and a reference to the next node

• Can be singly linked (each node points to the next) or doubly linked (each node points to the next and previous)

• Example: Singly linked list: 1 -> 2 -> 3 -> null

A data structure is a way of organizing and storing data in a computer so that it can be accessed and modified efficiently.

• Data structures define the way data is organized and stored in memory.

• Examples include arrays, linked lists, stacks, queues, trees, and graphs.

• Different data structures are used for different types of applications and operations.

Communication skill is the ability to convey information effectively and clearly to others.

• Communication skill involves listening actively to others

• It also includes speaking clearly and concisely

• Non-verbal communication such as body language and facial expressions are also important

• Being able to adapt communication style based on the audience is crucial

• Written communication skills, such as emails and reports, are also part of communication skill

Binary Trees are hierarchical data structures composed of nodes, where each node has at most two children.

• Binary Trees consist of nodes, each with a left and right child (or null).

• The topmost node is called the root node.

• Examples of binary trees include binary search trees and expression trees.

Debit card is linked to your bank account and allows you to spend money you already have. Credit card allows you to borrow money up to a certain limit.

• Debit card is linked to your bank account and deducts money directly from it

• Credit card allows you to borrow money from the card issuer up to a certain limit

• Debit card transactions are limited to the amount of money in your account

• Credit card transactions can exceed your available funds, but you need to pay it back with interes...read more

An array is a data structure that stores a collection of elements of the same type in a contiguous memory location.

• Arrays have a fixed size determined at the time of declaration.

• Elements in an array are accessed using an index starting from 0.

• Example: string[] names = {"Alice", "Bob", "Charlie"};

Carrier gap refers to the mismatch between the skills possessed by job seekers and the skills required by employers.

• Occurs when job seekers lack the necessary skills or qualifications for available job positions

• Can lead to high unemployment rates and underemployment

• Can be addressed through education and training programs to bridge the skills gap

A stack is a data structure that follows the Last In First Out (LIFO) principle.

• Elements are added and removed from the top of the stack.

• Common operations include push (add element) and pop (remove element).

• Example: Undo feature in text editors uses a stack to store previous states.

A data entry operator is a person responsible for entering, updating, and maintaining data in computer systems.

• Enters data into computer systems accurately and efficiently

• Updates and maintains databases with new information

• Ensures data is organized and easily accessible

• May perform quality checks on data entered

• Examples: Entering customer information into a CRM system, updating inventory levels in a database

Java is a programming language used for developing applications, while a database is used for storing and managing data.

• Java is used to write code for applications, while a database is used to store and manage data.

• Java can interact with databases using JDBC (Java Database Connectivity) to perform operations like querying, updating, and deleting data.

• Examples of databases commonly used with Java include MySQL, Oracle, and PostgreSQL.

Typing speed is the number of words or characters a person can type per minute.

• Typing speed is usually measured in words per minute (WPM) or characters per minute (CPM).

• A good typing speed for a data entry operator is around 60-80 WPM.

• Practice and familiarity with the keyboard layout can help improve typing speed.

• Typing speed can be tested using online typing tests or software programs.