Decathlon Interview Questions and Answers

Q1. Distributed transaction handling
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Q2. Spring boot vs spring differences
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Spring Boot simplifies Spring application development with auto-configuration and embedded servers, while Spring is a comprehensive framework.
• Spring is a comprehensive framework for building Java applications, while Spring Boot is a project that simplifies Spring application setup.

• Spring requires extensive configuration, whereas Spring Boot uses convention over configuration, reducing boilerplate code.

• Spring Boot inclu...read more
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Q3. Basic understanding of pojo, and annotation used in spring framework
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Q1. Tell me about yourself
Ans. 
I am a dedicated Test Engineer with a strong background in software testing, quality assurance, and a passion for delivering high-quality products.
• Experience in Manual and Automated Testing: I have worked on both manual and automated testing projects, using tools like Selenium and JUnit.

• Strong Understanding of SDLC: I am well-versed in the Software Development Life Cycle, ensuring that testing is integrated at every st...read more
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Q2. Tell me about your skills
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As a Test Engineer, I possess strong analytical skills, attention to detail, and expertise in various testing methodologies.
• Manual Testing: I have extensive experience in manual testing, ensuring software quality through thorough test case execution and defect reporting.

• Automation Skills: Proficient in automation tools like Selenium and TestNG, I have successfully automated regression tests, reducing testing time by 40...read more
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Q1. How can we ensure that the data is set correctly and on time?
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Q2. What strategies do you use to ensure you complete your work on time?
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Q1. How can one assess the knowledge of an employee?
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Q2. How can he determine if he possesses the necessary skills and qualifications to perform the job effectively?
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Q3. How to do a better job
Ans. 
Improving job performance involves enhancing skills, effective communication, and time management.
• Set clear goals: Define daily, weekly, and monthly objectives to stay focused.

• Enhance skills: Take online courses or attend workshops relevant to your role.

• Prioritize tasks: Use tools like to-do lists or project management software to manage workload.

• Seek feedback: Regularly ask supervisors for constructive criticism to id...read more
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Q1. Questions on response code
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Q2. Scenario based questions
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Q1. Program to move all zeros in a array to end
Ans. 
Program to move all zeros in an array to end
• Iterate through the array and keep track of non-zero elements

• Append non-zero elements to a new array

• Append zeros to the end of the new array
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Q2. One more program on binary search
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Binary search efficiently finds an element's index in a sorted array by repeatedly dividing the search interval in half.
• Binary search requires a sorted array to function correctly.

• It works by comparing the target value to the middle element of the array.

• If the target is less than the middle element, search the left half; if greater, search the right half.

• Example: In the array [1, 3, 5, 7, 9], to find 5, check the middl...read more
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Q1. Interests and hobbies
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Q1. Introduce Yourself
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I am a Senior Data Analyst with extensive experience in data visualization, statistical analysis, and business intelligence.
• Data Visualization: I have created interactive dashboards using tools like Tableau and Power BI to help stakeholders make data-driven decisions.

• Statistical Analysis: I utilize statistical methods to analyze trends and patterns in large datasets, such as using regression analysis to forecast sales.

• ...read more
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Q2. Your Day to Day responsibilities in current Job
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As a Senior Data Analyst, I analyze data trends, create reports, and collaborate with teams to drive data-informed decisions.
• Data Analysis: I regularly analyze large datasets to identify trends and insights that inform business strategies, such as customer behavior analysis.

• Reporting: I create detailed reports and dashboards using tools like Tableau and Power BI to visualize data findings for stakeholders.

• Collaboration...read more
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Q3. Difference between View & Temp Table? what is view in sql?
Ans. 
Views are virtual tables that display data from one or more tables, while temp tables are temporary tables that store data temporarily.
• Views are virtual tables created by a query, while temp tables are physical tables created in the database.

• Views do not store data themselves, but display data from underlying tables, while temp tables store data temporarily for a session or transaction.

• Views can be used for security pu...read more
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Q4. Sql window functions
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Q5. Sql 2 tables were given N was asked to write query.
Ans. 
SQL query to join two tables and extract relevant data based on specified conditions.
• Use JOIN clause to combine rows from both tables based on a related column.

• Example: SELECT * FROM table1 JOIN table2 ON table1.id = table2.foreign_id;

• Consider using INNER JOIN for matching records only, or LEFT JOIN for all records from the left table.

• Use WHERE clause to filter results based on specific criteria.

• Example: SELECT * FROM ...read more
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Q6. Filters in Tableau
Ans. 
Filters in Tableau allow users to narrow down data displayed in visualizations based on specific criteria.
• Filters can be applied to dimensions or measures in Tableau.

• Users can use filters to focus on specific subsets of data, such as a particular region or time period.

• Filters can be set up as dropdown menus, sliders, or checkboxes for user interaction.

• Example: Filtering sales data to show only results from the past yea...read more
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Q7. Parameters in tableau
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Parameters in Tableau allow users to control the values in a visualization without modifying the underlying data.
• Parameters can be used to filter data, change calculations, or modify the appearance of a visualization.

• They can be created by defining a parameter in Tableau and then using it in calculated fields or filters.

• Parameters can be set to different data types such as string, integer, float, date, etc.

• Users can in...read more
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Q8. Types of bar charts in tableau, what is stacked bar?
Ans. 
Types of bar charts in Tableau include standard bar, stacked bar, and side-by-side bar.
• Standard bar chart displays individual bars for each category

• Stacked bar chart shows the total value broken down into sub-categories

• Side-by-side bar chart compares multiple measures across categories

• Example: Stacked bar chart can be used to show sales by region, with each region broken down by product category
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Q9. Data blending Vs Joins in tableau
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Data blending combines data from different sources in Tableau, while joins combine data from the same source.
• Data blending is used when data comes from different sources and cannot be joined directly.

• Joins are used when data comes from the same source and can be combined based on a common key.

• Data blending allows for more complex analysis by combining unrelated data sets.

• Joins are more efficient for combining related d...read more
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Q10. Coin tossed 2 times what's prob to get both heads? what if coin is biased.
Ans. 
The probability of getting both heads when a coin is tossed 2 times is 1/4. If the coin is biased, the probability may change.
• The probability of getting both heads in a fair coin toss is 1/4 (1/2 * 1/2).

• If the coin is biased, the probability of getting both heads may be different depending on the bias.

• For example, if the coin is biased towards heads with a probability of 0.6, the probability of getting both heads would...read more
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Q11. Difference in tree map & heat Map in tableau
Ans. 
Tree map displays hierarchical data using nested rectangles, while heat map shows data values using color intensity.
• Tree map visualizes hierarchical data with nested rectangles, where the size of each rectangle represents a measure.

• Heat map displays data values using color intensity, with darker colors indicating higher values.

• Tree map is useful for showing proportions within a whole, while heat map is effective for id...read more
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Present the case study through PPT which you already prepared before round 1. Hr reached out to me to complete case study before round 1.

Q1. Managerial Round (Technical)
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Q1. Why do you want to join decathlon
Ans. 
I want to join Decathlon to combine my passion for sports with a commitment to promoting an active lifestyle and teamwork.
• Passion for Sports: I have been an avid runner for years, participating in local marathons, and I believe Decathlon's values align with my love for sports.

• Commitment to Active Lifestyle: I admire Decathlon's mission to make sports accessible to everyone, and I want to contribute to that vision.

• Teamw...read more
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Q2. Why we choose you amongst all
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I bring a unique blend of skills, experience, and passion that sets me apart from other candidates for this role.
• Proven Track Record: I have successfully led multiple projects that increased team efficiency by 30%, showcasing my leadership abilities.

• Strong Communication Skills: My experience in cross-functional teams has honed my ability to convey complex ideas clearly, ensuring alignment.

• Adaptability: I thrive in dyna...read more
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