Hitwicket Superstars Production Analyst Interview Questions and Answers

SQL based leetcode medium and hackerrank

Python take home EDA case study assessment

Q1. SQL based questions
Add your answer
Q2. Guesstimate on estimating # users on the application
Ans. 
Estimate the number of users on the application based on market research, user demographics, and industry trends.
• Consider the total addressable market (TAM) for the application

• Analyze user demographics and behavior to estimate adoption rate

• Look at industry benchmarks and competitor data for reference

• Use surveys, focus groups, and user feedback to gather insights

• Consider factors like market saturation, growth potential,
Answered by AI
Add your answer

Q1. What is the difference between Union and Union all ?
Ans. 
Union combines the results of two or more SELECT statements, while Union all includes all rows, including duplicates.
• Union removes duplicate rows from the result set, while Union all includes all rows.

• Union sorts the result set, while Union all does not.

• Union is slower than Union all because it performs a distinct operation.

• Example: SELECT column1 FROM table1 UNION SELECT column1 FROM table2;

• Example: SELECT column1 FRO
Answered by AI
Add your answer
Q2. Which query is more faster , joins or union?
Ans. 
Joins are generally faster than unions.
• Joins are typically faster than unions because they combine data from multiple tables based on a common column, while unions combine data from multiple queries into a single result set.

• Joins can utilize indexes on the columns being joined, which can improve performance.

• Unions involve combining the results of multiple queries, which can be slower as it requires merging and sorting ...read more
Answered by AI
Add your answer

Q1. Details about the projects in your resume
Add your answer
Q2. MYSQL codes in window function
Ans. 
MYSQL window functions allow for calculations across rows in a result set.
• Window functions are used to perform calculations across rows in a result set

• They are used with the OVER() clause

• Examples include ROW_NUMBER(), RANK(), DENSE_RANK(), and NTILE()

• They can be used to calculate running totals, moving averages, and more
Answered by AI
Add your answer
Q3. Mostly questions related to cricket tables which was told to be assumed
Add your answer

Q1. JavaScript and Nodejs
Add your answer
Q2. Basics of Nodejs
Add your answer
Q3. Eventloop, promises, async await etc
Add your answer
Q4. Arrays, strings DSA
Add your answer
Q5. Aws, Postgres, APIs
Add your answer