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I applied via Internshala and was interviewed in Jul 2022. There were 2 interview rounds.
To find unique values of a column, use DISTINCT keyword in SQL. To get distribution, use GROUP BY clause.
For SQL: SELECT DISTINCT column_name FROM table_name
For Python Pandas: df['column_name'].unique()
For distribution: SELECT column_name, COUNT(*) FROM table_name GROUP BY column_name
For Python Pandas: df['column_name'].value_counts()
One as two people are together discussion then it will be very good
There are multiple types of payment methods that can be received.
Cash
Credit card
Debit card
Online payment
Bank transfer
I applied via campus placement at Vellore Institute of Technology (VIT) and was interviewed in Apr 2024. There were 2 interview rounds.
Questions was related to python only
Garbage collector in Java is a program that automatically manages memory by reclaiming unused memory.
Garbage collector is a part of Java Virtual Machine (JVM) responsible for automatic memory management.
It identifies and deletes objects that are no longer reachable or needed by the program.
Garbage collection helps prevent memory leaks and improves performance by freeing up memory for new objects.
Examples of garbage col...
Inheritance is a concept in object-oriented programming where a class can inherit attributes and methods from another class.
Allows for code reusability and promotes a hierarchical structure
Derived class inherits properties and behaviors from a base class
Can have multiple levels of inheritance
Example: Class 'Dog' can inherit from class 'Animal' and inherit attributes like 'name' and methods like 'eat()'
SQL databases are relational databases that use structured query language, while NoSQL databases are non-relational and do not use SQL.
SQL databases are table-based and have a predefined schema, while NoSQL databases are document-based, key-value pairs, graph databases, or wide-column stores.
SQL databases are good for complex queries and transactions, while NoSQL databases are better for hierarchical data storage.
Examp...
Graphical data refers to data that is represented visually through graphs, charts, or other visualizations.
Graphical data helps in easily interpreting trends, patterns, and relationships within the data.
Common types of graphical data include bar graphs, pie charts, line graphs, and scatter plots.
It is often used in data analytics to communicate insights and findings effectively to stakeholders.
Graphical data can be cre...
I applied via Referral and was interviewed in Mar 2024. There were 2 interview rounds.
I have experience in data analysis, statistical modeling, and decision-making processes.
Utilized various statistical tools and software for data analysis
Developed predictive models to optimize decision-making processes
Worked on projects involving data visualization and interpretation
Collaborated with cross-functional teams to implement data-driven solutions
People analytics is the use of data and analytical tools to understand, manage, and improve the performance and engagement of employees.
Involves collecting and analyzing data on employee behavior, performance, and engagement
Helps organizations make data-driven decisions related to hiring, retention, training, and performance management
Can include analyzing factors such as employee turnover rates, productivity levels, a...
Various technologies are used in Decision Analytics, such as machine learning algorithms, data visualization tools, and statistical analysis software.
Machine learning algorithms are commonly used to analyze large datasets and make predictions.
Data visualization tools help in presenting complex data in a visually appealing way for better understanding.
Statistical analysis software like R or Python are used for data anal...
I applied via Company Website and was interviewed in Jun 2023. There were 3 interview rounds.
An aptitude test is a standardized assessment designed to measure a person's ability or potential to perform specific tasks or acquire certain skills. While the exact details of an aptitude test can vary depending on the purpose and the organization conducting it, here are some common elements and areas that may be covered in an aptitude test:
Numerical Reasoning: This section assesses your ability to work with numbers, perform calculations, interpret data presented in graphs or charts, and solve mathematical problems.
Verbal Reasoning: This section evaluates your language skills, including reading comprehension, vocabulary, grammar, and logical reasoning based on written passages or statements.
Logical Reasoning: This section tests your ability to analyze patterns, sequences, and logical relationships. You may be presented with a series of shapes, symbols, or diagrams and asked to identify the next item in the sequence or identify the pattern.
Abstract Reasoning: This section measures your ability to think conceptually and find relationships between abstract shapes, patterns, or figures.
Spatial Reasoning: This section assesses your ability to mentally manipulate objects in three dimensions, visualize rotations or transformations, and understand spatial relationships.
Data Interpretation: This section evaluates your ability to analyze and interpret data presented in the form of tables, graphs, or charts.
Critical Thinking: This section tests your ability to analyze arguments, identify assumptions, draw conclusions, and evaluate logical validity.
Problem Solving: This section assesses your ability to approach and solve complex problems by breaking them down into smaller steps, identifying relevant information, and applying logical reasoning.
Personality Traits: Some aptitude tests may include personality assessments to evaluate your behavioral preferences, work style, and interpersonal skills.
It's important to note that different organizations may have their own variations and combinations of these sections. The test format can vary as well, including multiple-choice questions, fill-in-the-blank responses, or interactive simulations.
To get more specific details about an aptitude test you're preparing for, it's best to consult the organization or employer conducting the assessment, as they can provide you with the most accurate information and guidance.
A coding test is an assessment designed to evaluate a candidate's programming skills and problem-solving abilities. The details of a coding test can vary depending on the company, position, and programming language or framework being assessed. However, here are some common elements and considerations you might encounter in a coding test:
Programming Languages: The coding test may focus on a specific programming language or allow you to choose from a set of languages. Common choices include Java, Python, C++, JavaScript, or specific frameworks like React or Django.
Test Format: Coding tests can be conducted in different formats. Some companies may provide a set of coding problems or algorithmic challenges that you need to solve within a specific time frame. Others may require you to complete a coding project or build a small application within a given deadline.
Problem Complexity: The coding test may include problems of varying difficulty levels, ranging from basic to advanced. The complexity of the problems can assess your ability to handle different types of challenges and gauge your problem-solving skills.
Problem Domains: The coding test may cover various problem domains, such as data structures, algorithms, string manipulation, mathematical calculations, recursion, dynamic programming, or database operations. The specific domains covered will depend on the job requirements and the company's needs.
Time Constraints: Some coding tests have time limits, meaning you will need to complete the given tasks within a specific timeframe. This is to evaluate your ability to work efficiently and deliver solutions under pressure.
Testing Environment: You may be provided with an online coding platform or an Integrated Development Environment (IDE) where you can write, compile, and run your code. The testing environment may have features like code auto-completion, debugging tools, and test case execution to assist you in coding and testing your solutions.
Test Evaluation: The coding test will typically be evaluated based on the correctness of your code, adherence to given requirements or specifications, code efficiency, readability, and overall quality of your solution. Some tests may also consider factors like code comments, modularity, and error handling.
It's important to note that the specific details and requirements of a coding test can vary significantly from one company to another. If you're preparing for a coding test, it's recommended to review the job description and any provided guidelines thoroughly. Additionally, practicing coding problems, familiarizing yourself with the programming language or framework, and honing your problem-solving skills can greatly enhance your performance in a coding test.
I applied via Company Website and was interviewed in Sep 2022. There were 4 interview rounds.
Basic coding questions such as Fibonacci series and Minimum odd integer in a list. SQL questions based on window functions and tableau theoretical questions
A common English speaking test
I applied via campus placement at Shri SSVPSs BNSP Arts and Commerce College, Dhule and was interviewed in Oct 2022. There were 4 interview rounds.
Aptitude tests are often used to assess academic potential or career suitability and may be used to assess either mental or physical talent in a variety of domains.
Coding testIn this Tutorial, we have Provided the Most Common Coding Interview Questions & Answers with Program Logic & Code Examples for you to Practice Programming:
Programming tests to help you hire better developersWhat is a Coding Challenge?If you are looking to land one such job, it is important that you are well-prepared for these challenges.
I applied via Walk-in and was interviewed in Jan 2023. There were 2 interview rounds.
Women empowerment refers to the process of providing women with the power and resources to make their own decisions and control their own lives.
It involves creating an environment where women can participate equally in all aspects of life
It includes providing access to education, healthcare, and economic opportunities
It also involves challenging gender stereotypes and promoting gender equality
Examples include initiativ...
I applied via Company Website and was interviewed in Jan 2021. There were 6 interview rounds.
Amazon Services is a comprehensive platform offering a wide range of products and services.
Amazon Services provides an extensive selection of products, including electronics, books, clothing, and more.
It offers various services such as Amazon Prime, Amazon Web Services (AWS), and Amazon Marketplace.
Amazon Services has revolutionized e-commerce and logistics, providing fast and reliable delivery options.
The platform als...
I applied via Naukri.com and was interviewed in Jan 2022. There was 1 interview round.
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