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Apollo Health and Lifestyle Limited Data Analyst Interview Questions and Answers
Apollo Health and Lifestyle Limited Data Analyst Interview Experiences
1 interview found
Thakur Harshil Singh
Tell me about yourself
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J Yaswanth
Selected
I applied via Naukri.com and was interviewed in Dec 2023. There were 2 interview rounds.
Power bi assignment was given to solve
(6 Questions)
- Q1. Optimization techniques in sql
- Ans.
Optimization techniques in SQL involve using indexes, query optimization, and proper database design.
Use indexes on columns frequently used in WHERE clauses to speed up query performance
Avoid using SELECT * and instead specify only the columns needed in the query
Optimize queries by using appropriate join types and conditions
Normalize database tables to reduce redundancy and improve query efficiency
- Q2. Sub queries in sql
- Ans.
Sub queries in SQL are queries nested within another query to retrieve data based on the result of the outer query.
Sub queries can be used in SELECT, INSERT, UPDATE, and DELETE statements.
They can be used to filter results, retrieve data from multiple tables, or perform calculations.
Example: SELECT * FROM table1 WHERE column1 = (SELECT column2 FROM table2 WHERE condition);
- Q3. Types of Join in sql
- Ans.
Types of joins in SQL include inner join, left join, right join, and full outer join.
Inner join: Returns rows when there is a 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 outer join: Returns all rows when there is a match in either table
- Q4. Time intelligence functions in power bi
- Ans.
Time intelligence functions in Power BI are used to analyze and compare data based on time periods.
Time intelligence functions help in calculating year-to-date, month-to-date, and other time-based calculations.
Functions like TOTALYTD, SAMEPERIODLASTYEAR, and PARALLELPERIOD are commonly used for time intelligence in Power BI.
These functions allow for easy comparison of data across different time periods and help in tren
- Q5. Logical questions in aptitude
- Q6. Row level security in power bi
- Ans.
Row level security in Power BI allows users to restrict access to specific rows of data based on their role or criteria.
Row level security can be implemented by creating roles in Power BI and defining rules to filter data based on user roles.
Users can be assigned to specific roles which determine the data they have access to.
Row level security helps in ensuring data privacy and compliance with regulations.
For example, ...
Skills evaluated in this interview
I applied via campus placement at Madras Institute of Technology, Chennai and was interviewed in Sep 2022. There were 3 interview rounds.
Easy but time limit was the main issue to address
Hard coding test on hacker earth platform no cameras and plagiarism tester will be on
Interview Preparation Tips
(2 Questions)
- Q1. Which formula use in open a word or file in excel
- Ans.
You can use the formula =HYPERLINK("path to file") to open a word or file in Excel.
Use the HYPERLINK function in Excel
Insert the path to the file within double quotes
Example: =HYPERLINK("C:\Users\Documents\example.docx")
- Q2. Details information about excel .
Interview Preparation Tips
Data Entry Operator Interview Questions & Answers
Herbalife International
Daljit Kaur
posted on 19 Nov 2023
Selected
I applied via Recruitment Consulltant and was interviewed in Oct 2023. There were 4 interview rounds.
(1 Question)
- Q1. Brief your self and tell the details about your past experience.
(1 Question)
- Q1. What is Ms Excel and how much knowledge about it .
- Ans.
Ms Excel is a spreadsheet program developed by Microsoft for data entry, analysis, and visualization.
Ms Excel is used for organizing data into rows and columns.
It allows users to perform calculations, create charts, and analyze data.
Functions like SUM, AVERAGE, and VLOOKUP are commonly used in Excel.
Excel can be used for budgeting, financial analysis, and project management.
Knowledge of formulas, functions, and formatt...
(1 Question)
- Q1. Normal tell about his company and fulfill my doubts .
Selected
I applied via Company Website and was interviewed before Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Tell me about your self
- Ans.
I am a detail-oriented individual with strong data entry skills and a passion for accuracy.
Experienced in data entry tasks such as inputting information into databases
Proficient in using Microsoft Excel and other data entry software
Strong attention to detail and ability to maintain accuracy in high-volume data entry tasks
- Q2. Why we should hair you
(2 Questions)
- Q1. Tell me about your self
- Ans.
I am a detail-oriented individual with strong data entry skills and a passion for accuracy.
Experienced in data entry tasks such as inputting information into databases
Proficient in using Microsoft Excel and other data entry software
Strong attention to detail and accuracy in data entry work
Ability to work efficiently under pressure and meet deadlines
- Q2. Why we should hire you
- Ans.
I am detail-oriented, efficient, and have a strong background in data entry.
I have a proven track record of accurately entering data in a timely manner.
I am proficient in using data entry software and have a fast typing speed.
I have excellent attention to detail and can spot errors quickly to ensure data accuracy.
Interview Preparation Tips
I applied via Walk-in and was interviewed in Feb 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. About the last job experience
Interview Preparation Tips
Basic quant and apt questions
Run a model of ML or Dl
(1 Question)
- Q1. Check your interpersonal skills
(2 Questions)
- Q1. Why do you want to work here?
- Q2. Explain a tough situation, which you faced in your last experience?
(2 Questions)
- Q1. How failed jobs will be reprocessed?
- Ans.
Failed jobs can be reprocessed by identifying the root cause of failure, fixing the issue, and resubmitting the job.
Identify the reason for job failure by checking logs and error messages.
Fix the issue causing the failure, such as correcting code errors or resolving resource constraints.
Resubmit the job after making necessary changes to ensure successful processing.
Implement monitoring and alerting systems to proactive...
- Q2. On-premise to cloud data migration.
- Ans.
Data migration from on-premise to cloud involves transferring data from local servers to cloud-based storage systems.
Assess the current data infrastructure and identify the data to be migrated
Choose a suitable cloud storage solution based on requirements and budget
Plan the migration process including data extraction, transformation, and loading (ETL)
Test the migration process to ensure data integrity and security
Execut...
Skills evaluated in this interview
I applied via Naukri.com and was interviewed before Oct 2020. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. 1) Model building process of one of my previous projects 2) Random forest hyperparameters 3) ROC curve, using the ROC curve to set probability cutoffs in classication models 4) Gradient boosting techniques...
- Ans.
Data Scientist interview questions on model building, random forest, ROC curve, gradient boosting, and real estate valuation
For model building, I followed the CRISP-DM process and used various algorithms like logistic regression, decision trees, and random forest
Random forest hyperparameters include number of trees, maximum depth, minimum samples split, and minimum samples leaf
ROC curve is a graphical representation of...
Interview Preparation Tips
Skills evaluated in this interview
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Apollo Health and Lifestyle Limited Data Analyst Interview Process
based on 1 interview
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