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Rudder Analytics Interview Questions and Answers
6 Interview questions
SQL query for joining two tables
Use the JOIN keyword to combine rows from two or more tables based on a related column between them
Specify the columns to be retrieved using SELECT statement
Use ON keyword to specify the join condition
Tableau offers a range of products for data visualization and analytics.
Tableau Desktop - for individual users to create visualizations and dashboards
Tableau Server - for sharing visualizations and collaborating with others
Tableau Online - cloud-based version of Tableau Server
Tableau Prep - for data preparation and cleaning before visualization
Tableau Public - free version for sharing visualizations publicly
Delete removes rows from a table while truncate removes all rows from a table without logging individual row deletions.
Delete is a DML command while truncate is a DDL command.
Delete can be rolled back while truncate cannot be rolled back.
Delete triggers delete triggers and delete constraints while truncate does not trigger them.
Delete is slower than truncate as it logs individual row deletions.
Example: DELETE FROM...
Relationships define how tables are related, joins combine data from two or more tables, and blending combines data from different data sources.
Relationships are defined in the database schema and determine how tables are related to each other.
Joins are used to combine data from two or more tables based on a common column or key.
Blending is used to combine data from different data sources, such as Excel spreadshee...
Merge sort on a linked list involves dividing the list into halves, sorting each half, and then merging the sorted halves.
Divide the linked list into two halves using slow and fast pointers
Recursively sort each half
Merge the sorted halves back together
To detect a loop in a linked list, we can use the Floyd's Cycle Detection Algorithm.
Use two pointers - slow and fast, where slow moves one step at a time and fast moves two steps at a time.
If there is a loop, the two pointers will eventually meet at some point within the loop.
To detect the start of the loop, reset one pointer to the head and move both pointers one step at a time until they meet again.
Rudder Analytics Interview Experiences
12 interviews found
Anonymous
I applied via Campus Placement and was interviewed in Oct 2024. There were 3 interview rounds.
Permutations, probability etc
(5 Questions)
- Q1. Dbms ,oops , dsa
- Q2. Write SQL query for joining two tables
- Ans.
SQL query for joining two tables
Use the JOIN keyword to combine rows from two or more tables based on a related column between them
Specify the columns to be retrieved using SELECT statement
Use ON keyword to specify the join condition
- Q3. Analysis questions consists comparison
- Q4. Array indexing, sorting array
- Q5. Reverse the string
Basic GD topic was there
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Campus Placement and was interviewed in Apr 2024. There were 4 interview rounds.
Mostly round had questions related to the quant and data interpretation.
Problems were related to Arrays and Greedy Algorithms
It was well managed GD round
It had three different topics and each and everyone has to attend the all the three topics
(1 Question)
- Q1. Question were to test the aptitude and logical reasoning
Interview Preparation Tips
- Aptitude
- Python
- OOPS
- SQl
Selected
I applied via LinkedIn and was interviewed in May 2024. There were 2 interview rounds.
Logical reasoning , verbal ability
2 coding question, verbal interview
I applied via Campus Placement and was interviewed in Sep 2023. There were 3 interview rounds.
90-minute assessment round with general aptitude, verbal, logical reasoning and coding questions where we had to predict the output
3 topics were discussed in 1 hour time. The HR chose one person to conclude at the end of each topic. At the end of GD, the HR asked some questions to selected students 3/4 students.
(2 Questions)
- Q1. Tell me about yourself How would you describe Data Analytics? What is Machine Learning? How can a telecom company use Data Analysis? 1 puzzle from G4G 1 basic aptitude question on profit and loss
- Q2. Predict the output of the code( 2 basic c++ and python syntax were given)
- Ans.
The output of the code depends on the syntax and logic used in C++ and Python examples provided.
C++ uses semicolons to end statements, while Python uses indentation.
Data types in C++ must be declared, whereas Python is dynamically typed.
Example: C++ int x = 5; vs Python x = 5
C++ requires header files for libraries, Python uses import statements.
Interview Preparation Tips
- Aptitude
- Basic loop syntax
(1 Question)
- Q1. What are the different products from Tableau
- Ans.
Tableau offers a range of products for data visualization and analytics.
Tableau Desktop - for individual users to create visualizations and dashboards
Tableau Server - for sharing visualizations and collaborating with others
Tableau Online - cloud-based version of Tableau Server
Tableau Prep - for data preparation and cleaning before visualization
Tableau Public - free version for sharing visualizations publicly
2243 Sunita Pawar
It was good and was provided two questions and had great experience in solving and second it was easy to hard
Selected
I applied via Campus Placement and was interviewed in May 2023. There were 5 interview rounds.
Comparatively tough. Goo questions with profit loss and other questions.
2 coding questions. Medium level questions. Can be solved if taken efforts.
Goes around for a 1-1.5 hrs. Have 3 topics toa be discussed.
(2 Questions)
- Q1. Involves questions from aptitude as well as some analytical questions followed by java and sql concept questions also.
- Q2. Different between delete truncate
- Ans.
Delete removes rows from a table while truncate removes all rows from a table without logging individual row deletions.
Delete is a DML command while truncate is a DDL command.
Delete can be rolled back while truncate cannot be rolled back.
Delete triggers delete triggers and delete constraints while truncate does not trigger them.
Delete is slower than truncate as it logs individual row deletions.
Example: DELETE FROM tabl...
Selected
I applied via Naukri.com and was interviewed in Sep 2022. There were 5 interview rounds.
(1 Question)
- Q1. Basic question related to your profile and Resume.
Focus on core tableau concepts and look and feel of the dashbaords.
(1 Question)
- Q1. Deep dive into joins, relationship, union, data blending, performance tuning, etc.
(1 Question)
- Q1. Case studies question like what will be your response and some basic technical questions.
Interview Preparation Tips
I applied via Campus Placement and was interviewed in Oct 2022. There were 5 interview rounds.
Difficult questions asked in aptitude test
Average level ,2 questions, 90min, ..........................
1-2hr gd , 3-4 topics and then questions asked to each Candidate
(2 Questions)
- Q1. This is the final round, where questions related 1.aptitude 2.SQL queries,
- Q2. 3.python c output 4.guestimates
Interview Preparation Tips
I applied via Naukri.com and was interviewed in Feb 2022. There were 2 interview rounds.
Scenario based case studies will be given
(2 Questions)
- Q1. Tableau real-time questions will be asked
- Q2. Difference between Relationship vs Join Vs Blending
- Ans.
Relationships define how tables are related, joins combine data from two or more tables, and blending combines data from different data sources.
Relationships are defined in the database schema and determine how tables are related to each other.
Joins are used to combine data from two or more tables based on a common column or key.
Blending is used to combine data from different data sources, such as Excel spreadsheets or...
Interview Preparation Tips
Skills evaluated in this interview
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