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Use SQL pivot function to convert rows to columns
Use the PIVOT function in SQL to convert rows into columns
Specify the columns you want to pivot on and the values you want to display in the new columns
Example: SELECT * FROM table_name PIVOT (MAX(value_column) FOR pivot_column IN (column1, column2, column3)) AS alias_name
SQL joins combine data from two or more tables based on a related column between them.
Inner join returns rows that have matching values in both tables
Left join returns all rows from the left table and the matched rows from the right table
Right join returns all rows from the right table and the matched rows from the left table
Full outer join returns all rows when there is a match in either left or right table
Joins are used to combine rows from two or more tables based on a related column between them. Case when is a conditional statement used to perform different actions based on different conditions.
Joins are used to retrieve data from multiple tables based on a related column
Case when is used to perform different actions based on different conditions in SQL queries
Example: SELECT * FROM table1 JOIN table2 ON table1.id = ...
I applied via Referral and was interviewed in Dec 2023. There was 1 interview round.
Groww interview questions for designations
I applied via Campus Placement and was interviewed before Apr 2023. There was 1 interview round.
Aptitude tests + 3 Rounds
Top trending discussions
I applied via Recruitment Consultant and was interviewed in Dec 2020. There were 5 interview rounds.
Current CTC and preferred location are confidential information.
Current CTC and preferred location are personal and confidential details.
It is common practice not to disclose current CTC during interviews.
Preferred location may vary based on individual circumstances and preferences.
I applied via Approached by Company and was interviewed in Sep 2024. There was 1 interview round.
I had a very bad interview experience. The interviewer didn't start with any introduction and immediately jumped into asking case study. After giving a case, he would leave for a few minutes, which made it seem like he was not interested in the process.
Questions asked:
Q1: You are an Analyst at UBER. The gross cab cancellation rate daily is 5% whereas on a particular day, it goes up to 10%. What could be the factors affecting the same?
To analyze the same list down the tables required in the database along with all the columns and write the query using the same table name & columns to find the required metrics.
Q2: Assume you work for YouTube Music and the CEO wants you to create a Business Health Dashboard. List down all the metrics the CEO will be interested in looking at.
Agile methodology is a project management approach that emphasizes flexibility, collaboration, and incremental progress.
Focus on delivering working software in short iterations
Embrace changing requirements
Encourage frequent collaboration between team members
Use feedback to continuously improve the product
Common frameworks include Scrum and Kanban
User story for a shopping website
As a user, I want to be able to add items to my cart
As a user, I want to be able to view my cart and update quantities
As a user, I want to be able to proceed to checkout and make a payment
based on 5 interviews
1 Interview rounds
based on 5 reviews
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