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Hansa Cequity Interview Questions and Answers
7 Interview questions
Optimizing a pipeline involves improving efficiency, reducing latency, and ensuring data quality throughout the data processing stages.
1. Identify bottlenecks: Use profiling tools to find slow stages in the pipeline, such as data loading or transformation.
2. Parallel processing: Implement parallel processing for tasks that can run simultaneously, like data extraction from multiple sources.
3. Data sampling: Use sma...
Candidate key is a unique key that can uniquely identify each record in a table, while a compound key is a key that consists of multiple columns to uniquely identify each record.
Candidate key is a single column key, while compound key is a combination of multiple columns.
Candidate key can be a primary key, while compound key cannot be a primary key if it includes non-unique columns.
Example: In a table of students,...
row_number() function assigns a unique number to each row within a result set.
It is a window function in SQL
It is used to generate a unique sequential number for each row in a result set
It is often used for pagination and ranking purposes
It can be used with ORDER BY clause to specify the order of the rows
Indexes should be created on columns that are frequently used in WHERE, JOIN, and ORDER BY clauses.
Indexes should be created on columns with high selectivity
Indexes should not be created on columns with low cardinality
Indexes should not be created on columns with frequent updates
Composite indexes can be created on multiple columns
Indexes can be created on virtual columns
Join operator is used to combine rows from two or more tables based on a related column between them.
Join operator is used in SQL to retrieve data from multiple tables.
It combines rows from two or more tables based on a related column between them.
Types of join operators include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
Join operator can be used with WHERE clause to filter the results.
Example: SELECT ...
Types of testing approaches include black box testing, white box testing, and grey box testing.
Black box testing focuses on the functionality of the software without knowledge of its internal code.
White box testing examines the internal logic and structure of the software.
Grey box testing combines elements of both black box and white box testing.
Other types include regression testing, usability testing, performanc...
Different testing methods include black box testing, white box testing, and grey box testing.
Black box testing focuses on the functionality of the software without looking at its internal code.
White box testing involves testing the internal code structure, paths, and branches.
Grey box testing combines elements of both black box and white box testing.
Other testing methods include regression testing, usability testi...
Hansa Cequity Interview Experiences
9 interviews found
Pranay Shah
Selected
I appeared for an interview in Feb 2025.
Logical reasoning and basic quants.
(4 Questions)
- Q1. Give an Introduction about yourself.
- Ans.
Data analyst with a passion for transforming data into actionable insights, skilled in SQL, Python, and data visualization.
Educational Background: Bachelor's degree in Statistics, where I developed a strong foundation in data analysis techniques.
Professional Experience: Worked at XYZ Corp as a data analyst, where I improved reporting efficiency by 30% using automated dashboards.
Technical Skills: Proficient in SQL for d...
- Q2. Questions on projects worked.
- Q3. SQL Queries on their system (intermediate - advanced) and some concepts
- Q4. Performing Excel practically
(1 Question)
- Q1. Advanced SQL queries
(1 Question)
- Q1. Technical round with consultant, questions related to your background, on resume and some on projects.
(2 Questions)
- Q1. Introduction, questions on projects, bit on cloud (since it was mentioned in my project)
- Q2. How do you optimize a pipeline?
- Ans.
Optimizing a pipeline involves improving efficiency, reducing latency, and ensuring data quality throughout the data processing stages.
1. Identify bottlenecks: Use profiling tools to find slow stages in the pipeline, such as data loading or transformation.
2. Parallel processing: Implement parallel processing for tasks that can run simultaneously, like data extraction from multiple sources.
3. Data sampling: Use smaller ...
(1 Question)
- Q1. Introduction and HR Related questions.
Interview Preparation Tips
All questions would revolve around SQL (advanced)
Anonymous
I appeared for an interview in Feb 2025.
Aptitude test and coding test [SQL] .
(1 Question)
- Q1. Sql based questions
Selected
I applied via Walk-in and was interviewed before Nov 2023. There were 3 interview rounds.
A scanario will be given, ans we have to create test cases for that
(3 Questions)
- Q1. Like types of testing approach
- Ans.
Types of testing approaches include black box testing, white box testing, and grey box testing.
Black box testing focuses on the functionality of the software without knowledge of its internal code.
White box testing examines the internal logic and structure of the software.
Grey box testing combines elements of both black box and white box testing.
Other types include regression testing, usability testing, performance tes...
- Q2. Different testing method
- Ans.
Different testing methods include black box testing, white box testing, and grey box testing.
Black box testing focuses on the functionality of the software without looking at its internal code.
White box testing involves testing the internal code structure, paths, and branches.
Grey box testing combines elements of both black box and white box testing.
Other testing methods include regression testing, usability testing, a...
- Q3. Sql queries asked
(2 Questions)
- Q1. Discussion abour the company policies and norms
- Q2. A brief discussion about the work culture
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Jan 2023. There were 3 interview rounds.
(2 Questions)
- Q1. Asked SQL queries related questions
- Q2. Asked about python libraries
(1 Question)
- Q1. Salary discussion will be asked
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in Dec 2022. There were 3 interview rounds.
(2 Questions)
- Q1. Focus on Sql,excel,guestimates
- Q2. Difference b/w candidate key and compound key
- Ans.
Candidate key is a unique key that can uniquely identify each record in a table, while a compound key is a key that consists of multiple columns to uniquely identify each record.
Candidate key is a single column key, while compound key is a combination of multiple columns.
Candidate key can be a primary key, while compound key cannot be a primary key if it includes non-unique columns.
Example: In a table of students, stud...
Python libraries,seaborn,matplotlib
Selected
I applied via Referral and was interviewed before Jul 2022. There were 4 interview rounds.
General aptitude test for analytical thinking
(1 Question)
- Q1. 1. Discussion on project fundamentals like statistical concepts, Algorithms and business understanding 2. Python and SQL fundamentals
(1 Question)
- Q1. 1. Guess estimates 2. Probability theory 3. Analytical thinking ability
I applied via Naukri.com and was interviewed in Jan 2022. There were 3 interview rounds.
(1 Question)
- Q1. Understanding your analytical skills for the job
(1 Question)
- Q1. They were learnings from the experiences that you have had
(1 Question)
- Q1. The compensation for the job role
Interview Preparation Tips
Ashish Tiwari
Selected
I applied via LinkedIn and was interviewed before Aug 2022. There were 2 interview rounds.
(2 Questions)
- Q1. Rate your technical skill
- Q2. Business Analyst
DUMMU VIKASH
I applied via Naukri.com and was interviewed before Nov 2020. There were 3 interview rounds.
Interview Questionnaire
6 Questions
- Q1. What is the Join Operator
- Ans.
Join operator is used to combine rows from two or more tables based on a related column between them.
Join operator is used in SQL to retrieve data from multiple tables.
It combines rows from two or more tables based on a related column between them.
Types of join operators include INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL OUTER JOIN.
Join operator can be used with WHERE clause to filter the results.
Example: SELECT * FRO...
- Q2. It is a inbuilt functionality to help bring columns of various tables together based on the columns shared by the tables.
- Q3. What Column Should Index be Created on
- Ans.
Indexes should be created on columns that are frequently used in WHERE, JOIN, and ORDER BY clauses.
Indexes should be created on columns with high selectivity
Indexes should not be created on columns with low cardinality
Indexes should not be created on columns with frequent updates
Composite indexes can be created on multiple columns
Indexes can be created on virtual columns
- Q4. Index has to be created on the column which we use most in select queries or else that index would be inefficient and space consuming.
- Q5. What is row_number() function
- Ans.
row_number() function assigns a unique number to each row within a result set.
It is a window function in SQL
It is used to generate a unique sequential number for each row in a result set
It is often used for pagination and ranking purposes
It can be used with ORDER BY clause to specify the order of the rows
- Q6. It is an analytical function used to assign row numbers to columns based on partition and order criteria
Interview Preparation Tips
Speak Loud.
Frame your sentences in your head before speaking it out.
Skills evaluated in this interview
Top trending discussions
Interview questions from similar companies
I applied via Naukri.com and was interviewed in Oct 2022. There were 4 interview rounds.
Mathematics, English and Reasoning..
(2 Questions)
- Q1. What is python? What is uses of python?
- Ans.
Python is a high-level, interpreted programming language used for web development, data analysis, artificial intelligence, and more.
Python is easy to learn and has a simple syntax.
It is used for web development with frameworks like Django and Flask.
Python is popular for data analysis and visualization with libraries like Pandas and Matplotlib.
It is used for artificial intelligence and machine learning with libraries li...
- Q2. Some coding based questions of python.
(3 Questions)
- Q1. Salary and work discussionion
- Q2. Short and long term goals.
- Q3. Work Role, post and company work.
Interview Preparation Tips
Skills evaluated in this interview
Hansa Cequity Interview FAQs
The duration of Hansa Cequity interview process can vary, but typically it takes about less than 2 weeks to complete.
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based on 7 interview experiences
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3-7 Yrs
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