Top 50 SQL & Data Manipulation Interview Questions
The most frequently asked SQL & Data Manipulation questions across all roles and companies, ranked by real interview frequency. Updated daily.
Use joins, a CTE, and aggregation to find the top five products by completed-order revenue.
Itlize GlobalPPriority Technology Holdings, LLCRetrieve each unique category value from a PostgreSQL table, including NULL, in a defined order.
WixMeasure qualifying Paramount+ users by completed watch minutes, title diversity, and engagement level.
ParamountRank the five investments with the highest average historical return using joined investment and performance data.
eVestmentExplain how you used PostgreSQL SQL queries and aggregations to extract analysis-ready data from a single dataset.
Novant HealthTests ability to write and reason about complex SQL for analytics use cases.
We Are Meta
American Technology Consulting
airtelTests SQL proficiency and practical query optimization strategies for large datasets.
Glassdoor
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Tests your performance tuning skills for SQL used in Disney Streaming Services reporting.
Itlize Global
REVOLVE
Disney Streaming Services