Real questions from top companies
How does the MAXERROR parameter affect data loading in Redshift?
How many records result from Inner Join, Left Join, Right Join given Table A and Table B?
How many rows result from left, right, full outer, and inner joins?
How soon could you join Meesho if you are selected?
How to Create Clustered and Non-Clustered Index – Syntax and Examples
How to Handle Null in Spark
How to Use Dataflow with BigQuery
How to cast an integral column to a string in BigQuery and vice-versa?
How to merge two tables with identical structures into one?
How to optimize join of large and small tables in Spark?
How to view Oozie jobs?
How would you add columns to a table without impacting queries?
How would you automate Redshift cluster scaling for peak loads?
How would you clean the data by filtering out records with null values in user_id?
How would you create a materialized view for frequently accessed aggregated sales data?
How would you deal with a situation where you had to work with a difficult team member?
How would you deal with data skewness in a join operation?
How would you deal with data skewness in a large dataset?
How would you decide between using a CTE and a temporary table for a complex query?
How would you design a data model for an e-commerce platform?
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