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Technumen Data Analyst Interview Questions and Answers
Technumen Data Analyst Interview Experiences
1 interview found
Anonymous
I applied via Recruitment Consultant and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
2 Questions
- Q1. Overall experience?
- Ans.
I have 5 years of experience as a Data Analyst.
5 years of experience as a Data Analyst
Proficient in data analysis tools such as SQL, Excel, and Python
Experience in data visualization and reporting using Tableau
Strong analytical and problem-solving skills
Ability to interpret and communicate complex data findings
Experience in working with large datasets and performing data cleaning and manipulation
Collaborated with cross...
- Q2. What is a Composite Key?
- Ans.
A composite key is a combination of two or more columns that uniquely identifies a record in a database table.
A composite key is used when a single column cannot uniquely identify a record.
It is created by combining two or more columns that have unique values.
It is commonly used in many-to-many relationships.
Example: A table that stores orders may use a composite key of order number and customer ID.
Example: A table tha...
Interview Preparation Tips
I don't know what to call it a Technical/timepass interview, but it was ridiculous. Finally feedback, "not selected". Either it was not the right panel for the interview or they have someone internally they prefer to hire. Anyways it was very unprofessional to rush candidates to attend an interview and they do not interview properly, no professional ethics.
The big question to management, how do you qualify a person to conduct an interview without any relevant or proper experience but you need a person well qualified and experienced just to turn him/her down?
If I were to give the interviewer my rating it would be an astounding -2/5.
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I applied via LinkedIn and was interviewed before Nov 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Real life example of usage of Window functions - lag and lead
- Ans.
Window functions like lag and lead are used to analyze data over a specific range or window.
Lag function can be used to calculate the difference between current and previous values in a time series data.
Lead function can be used to calculate the difference between current and future values in a time series data.
Window functions can be used to calculate moving averages, cumulative sums, and other statistical measures.
Fo...
Interview Preparation Tips
Skills evaluated in this interview
I applied via Company Website and was interviewed in Apr 2021. There was 1 interview round.
Interview Questionnaire
1 Question
- Q1. Why should we hire you?
- Ans. Because you will never get some one like me.
Interview Preparation Tips
I applied via Company Website and was interviewed before Aug 2021. There were 3 interview rounds.
Simple aptitude and coding test, I was selected from national talent hunt exam
(1 Question)
- Q1. Discussion about projects and Areas of interest
(1 Question)
- Q1. Basic questions like ok with location, shifts etc
Interview Preparation Tips
- Leetcode
- Data Structures
- Python
Interview Questionnaire
1 Question
- Q1. What is yr salary expectation
I applied via Campus Placement and was interviewed in Oct 2020. There were 4 interview rounds.
Interview Questionnaire
5 Questions
- Q1. Tell me about your self ?
- Q2. What is your strength?
- Q3. What is aadhar card (because i am in aadhhar process)
- Ans.
Aadhaar card is a unique identification card issued by the Indian government to residents of India.
Aadhaar card is a 12-digit unique identification number issued by the Unique Identification Authority of India (UIDAI).
It serves as proof of identity and address for Indian residents.
Aadhaar card contains biometric and demographic information of the cardholder, including fingerprints and iris scans.
It is used for various ...
- Q4. Check reading and conversation skill
- Q5. Are u agree with night shift
Interview Preparation Tips
Interview Questionnaire
3 Questions
- Q1. About my self and my experience.
- Q2. What's the reason for leaving previous job?
- Q3. Technical question depends on process.
I applied via Naukri.com and was interviewed before Aug 2021. There were 2 interview rounds.
(1 Question)
- Q1. What is Structured Query Language?
- Ans.
Structured Query Language (SQL) is a programming language used to manage and manipulate relational databases.
SQL is used to create, modify, and delete databases, tables, and data
It is used to retrieve data from databases using queries
SQL is used to perform operations on data such as sorting, filtering, and grouping
Examples of SQL-based database management systems include MySQL, Oracle, and Microsoft SQL Server
Interview Preparation Tips
Skills evaluated in this interview
I applied via Recruitment Consultant and was interviewed in Aug 2020. There were 4 interview rounds.
Interview Questionnaire
1 Question
- Q1. Prior experience,questions related to data analysis tools.
Interview Preparation Tips
The reason behind the offer letter delay is they have to get approvals from multiple teams which creates a delay on the process.
I applied via Company Website and was interviewed before Jun 2020. There were 4 interview rounds.
Interview Questionnaire
2 Questions
- Q1. Python data structures
- Q2. MongoDB database algorithms
- Ans.
MongoDB database algorithms are used for efficient data storage, retrieval, and processing.
MongoDB uses various algorithms for indexing, sharding, and aggregation.
Indexing algorithms include B-tree, hash, and text search indexes.
Sharding algorithms include range-based, hash-based, and zone-based sharding.
Aggregation algorithms include map-reduce and aggregation pipeline.
MongoDB also uses algorithms for query optimizati
Interview Preparation Tips
Skills evaluated in this interview
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