Real questions from top companies in SQL
SQL Query for 2nd Highest Salary without Using MAX()
SQL Query for Best of 3 Marks and Average in a Student Table
SQL Query to Find Average Sessions per User within 30-day period
SQL Query: Group Employees by Technology and Order by ID
SQL Question - Cricket Scoreboard Table - aggregations, joins, grouping
SQL Question - Inner Join with Null Handling, compute total row count
SQL query with LAG function.
SQL questions: Group By, Joins, Correlated Queries
Scenario: Query optimization for a large dataset.
Schema Changes in Source (New Column Addition) - Impact
Schema Design: Star vs. Snowflake schema differences
Self-introduction including current role, projects, and key responsibilities. Focus on SQL expertise, Python skills, and experience in data warehousing and modeling.
Self-joins to compare employee salaries?
Serverless vs. Dedicated SQL pools
Share a situation where you took ownership of a failing project.
Share an example where you had to communicate technical concepts to a non-technical audience.
Share strategies for query and ETL optimization.
Simulate a producer-consumer model using multithreading.
Slowly Changing Dimension (SCD) Type 4 - describe hybrid approach
Snowflake Tech Stack: Deployment on Azure, cluster sizing considerations, and overall data warehouse design?
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