Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Prepare well for SQL, you have to be strong in SQL.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.
Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.
Prepare well for SQL, you have to be strong in SQL. Questions related to SQL and A/B testing were asked.
Write SQL query to find mean waiting period for delivery partner given driver Id, ordered time and delivered time.
We need to find the difference of delivered time and ordered time and calculate the average by grouping on the basis of driver ID. So, the SQL query can be written as :
SELECT ID, AVG(DeliveredTime – OrderedTime)
FROM Table
Group by ID
Write query for rolling sum.
If the table given has the following columns: ID | Val
Then to calculate cumulative sum, the following sql query can be written:
SELECT ID, Val, SUM(Val) OVER(ORDER BY ID ROWS BETWEEN UNBOUNDED PRECEDING AND CURRENT ROW) AS RollSum
FROM TABLE
ORDER BY ID
This was a case study round. A case study about how to increase sales in particular area was given. Then on the basis of the case study , few questions were asked.
1. What are the metrics that effect sales
2. Steps involved in analysis of decrease in sales for particular area

Here's your problem of the day
Solving this problem will increase your chance to get selected in this company
What is recursion?