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DataMetica QA Engineer Interview Questions, Process, and Tips
DataMetica QA Engineer Interview Experiences
1 interview found
I applied via Company Website and was interviewed in Jul 2024. There were 2 interview rounds.
Apitude test with coding test two sql questions,
(6 Questions)
- Q1. What is ETL, Layers of ETL, Do you know any ETL automation tool
- Ans.
ETL stands for Extract, Transform, Load. It is a process used to extract data from various sources, transform it into a consistent format, and load it into a target database.
ETL involves three main layers: Extraction, Transformation, and Loading.
Extraction: Data is extracted from various sources such as databases, files, APIs, etc.
Transformation: Data is cleaned, validated, and transformed into a consistent format.
Load...
- Q2. Python star pattern 1 12 123, Differnce between List and Dictionary
- Ans.
Python star pattern 1 12 123 is a pattern printing question. List and Dictionary are data structures in Python.
Python star pattern 1 12 123 can be achieved using nested loops.
Lists are ordered collections of items, accessed by index. Dictionaries are key-value pairs, accessed by key.
Example: List - [1, 2, 3], Dictionary - {'a': 1, 'b': 2, 'c': 3}
- Q3. 10-12 Queries based on joins, max function etc, difference between rank, dense rank, row_number and its syntax, how to combine two columns without concat function. What is Alias. What is the use of partiti...
- Q4. Do you know GCP? Do you know bigquery?
- Ans.
Yes, I am familiar with Google Cloud Platform (GCP) and BigQuery.
I have experience working with GCP services such as Compute Engine, Cloud Storage, and BigQuery.
I have used BigQuery for analyzing large datasets and running complex queries.
I am familiar with setting up data pipelines and ETL processes using GCP services.
- Q5. Q based on resume Shell scripting commands what is -x what is chmod 757 on owner group and others
- Q6. What is SDLC, STLC
- Ans.
SDLC stands for Software Development Life Cycle and STLC stands for Software Testing Life Cycle.
SDLC is a process used by software development teams to design, develop, and test high-quality software.
STLC is a subset of SDLC focused specifically on the testing phase of the software development process.
SDLC includes phases like planning, analysis, design, implementation, and maintenance.
STLC includes phases like test pl...
Interview Preparation Tips
- SQL
- Python
- Testing
- Cloud
Skills evaluated in this interview
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Interview questions from similar companies
QA Engineer Interview Questions & Answers
Tudip Technologies
Pranjal kothawale
posted on 29 Jul 2022
I applied via Naukri.com and was interviewed in Jun 2022. There was 1 interview round.
(1 Question)
- Q1. What's is authentication and authorisation
- Ans.
Authentication is the process of verifying the identity of a user, while authorization is the process of granting access to specific resources.
Authentication confirms the identity of a user through credentials such as username and password.
Authorization determines what resources a user can access based on their role or permissions.
Examples of authentication include logging into a website or entering a PIN at an ATM.
Exa...
Interview Preparation Tips
10-15 mins first round
(1 Question)
- Q1. How are you different from other testers ?
- Ans.
I have a strong background in automation testing and a keen eye for detail.
Extensive experience in automation testing using tools like Selenium and Appium
Ability to write complex test scripts and perform regression testing efficiently
Strong analytical skills to identify and troubleshoot issues effectively
Proven track record of finding critical bugs missed by other testers
I applied via Naukri.com and was interviewed before Jan 2021. There were 3 interview rounds.
Interview Questionnaire
4 Questions
- Q1. What is regression and retesting?
- Ans.
Regression is testing to ensure changes don't break existing functionality. Retesting is testing to ensure defects have been fixed.
Regression testing is done to ensure that changes or new features added to the software do not break existing functionality.
Retesting is done to ensure that defects found in previous testing have been fixed.
Regression testing is usually automated to save time and effort.
Retesting is usually...
- Q2. Which ways you do the testing in a weeks
- Ans.
I follow a structured approach to testing, including planning, execution, and reporting.
I plan my testing activities at the beginning of each week
I execute tests based on priority and risk
I report any issues found and work with the team to resolve them
I also perform regression testing as needed
I continuously learn and improve my testing skills
- Q3. Writing of test case for combination of keyword and author
- Ans.
Test case should cover all possible combinations of keywords and authors.
Identify all possible keywords and authors
Create test cases for each combination of keyword and author
Ensure test cases cover positive and negative scenarios
Verify test results against expected outcomes
- Q4. Defect cycle and How to report bugs in Jira
- Ans.
Defect cycle and reporting bugs in Jira
Defect cycle involves identifying, reporting, fixing, and verifying bugs
To report bugs in Jira, create a new issue and provide details such as summary, description, steps to reproduce, and expected/actual results
Assign the issue to the appropriate team member and prioritize it based on severity and impact
Track the progress of the issue and update its status as it moves through the...
Interview Preparation Tips
Skills evaluated in this interview
Software Engineer Interview Questions & Answers
MAQ Software
Rohit Karnatakapu
posted on 10 Nov 2015
Interview Preparation Tips
Experience: They selected students who have CGPA greater than 8.5.After the selection was done,we had skype interviews where each student was given a slot.In the interview they ask you about 'tell me about yourself',your projects.You should explain the projects exactly and clearly.They ask you better alternatives for implementing the project.After that on the basis of the project they ask you questions related to that subject.Data structures is very important.After the questions on projects were asked they ask you to write programs on data structures(simple programs). They asked me a program to reverse a singly linked list. After that,if they are impressed with it,they go for databases.One should be thorough with functionalities of each key.If time permits they may ask you puzzles(some of my friends were asked). Quite an easy interview.They give you enough time to think so no worries.People with some interview experience can easily crack this.The main objective of the interviewer is he/she checks whether the student is perfect in the concepts learned.
Tips: Don't be panic.If you don't know anything directly say 'I don't know'. They ask you very easy questions.
General Tips: Don't be panic.Since this is skype interview you can be relaxed.Be cool and focussed .Listen to the interviewer questions carefully.
Skills: Database Management, Algorithms And Data Structures
College Name: VIT Vellore
Motivation: Company works on latest trends like azure,etc and they work on projects related to microsoft.
ABHISHEK V
Interview Preparation Tips
Experience: 1st Round : 30 Aptitude Questions (Difficulty Level-HIGH) with nega
tive marking- My Score 15/30, Highest in the test
+ 2 Coding Questions ( Dyanamic Programming + N-Queens Problem)
Round: Technical Interview
Experience: Technical Interview- Questions based on recurssion DSA, HTML.
General Tips: Just know the project you have done in details , don't bluff
First Interview and got it in single shot.
Skill Tips: Karumanchi for DSA, w3 Schools for web related topics DBMS and SQL from Tutorial point.
Skills:
College Name: NIT Surathkal
I appeared for an interview before Oct 2020.
(1 Question)
Round duration - 40 minutes
Round difficulty - Medium
Asked about time complexity of algorithm, puzzles, DBMS, cutting edge technologies etc. What are indexes?
- Q1.
Flip Bits Problem Explanation
Given an array of integers
ARRof size N, consisting of 0s and 1s, you need to select a sub-array and flip its bits. Your task is to return the maximum count of 1s that can b... - Ans.
Given an array of 0s and 1s, find the maximum count of 1s by flipping a sub-array at most once.
Iterate through the array and keep track of the maximum count of 1s obtained by flipping a sub-array.
Consider flipping a sub-array from index i to j and calculate the count of 1s in the resulting array.
Return the maximum count of 1s obtained by flipping a sub-array at most once.
(1 Question)
Round duration - 20 minutes
Round difficulty - Medium
Asked 1 standard algorithm
- Q1.
Number of Islands Problem Statement
You are provided with a 2-dimensional matrix having
Nrows andMcolumns, containing only 1s (land) and 0s (water). Your goal is to determine the number of islands in t... - Ans.
Count the number of islands in a 2D matrix of 1s and 0s.
Iterate through the matrix and perform depth-first search (DFS) to find connected 1s.
Mark visited cells to avoid redundant traversal.
Increment island count whenever a new island is encountered.
Interview Preparation Tips
Tip 1 : prepare for competitive programming
Tip 2 : know about standard algorithm
Tip 3 : must be good with dbms
Tip 1 : must have projects, which you can explain to them
Tip 2 : have things on resume, that you are totally certain about.
Skills evaluated in this interview
Dont't remember the exact questions
(2 Questions)
- Q1. Previous projects questions
- Q2. Data structure and algo questions
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There were 2 interview rounds.
Simple DBMS and DSA Questions
(2 Questions)
- Q1. String Manipulations
- Q2. Linked lists questions
Selected
I applied via Campus Placement and was interviewed before Apr 2023. There were 3 interview rounds.
Coding round consisting DSA portion mainly.
(2 Questions)
- Q1. SQL questions on Joins
- Q2. Problems given on Hacker rank
(2 Questions)
- Q1. Sorting related questions
- Q2. Tell me about yourself, family background, hobbies
Interview Preparation Tips
- SQL
- DSA
- English
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DataMetica QA Engineer Interview Process
based on 1 interview
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