Top 50 data handling Interview Questions
The most frequently asked data handling questions across all roles and companies, ranked by real interview frequency. Updated daily.
Calculate weekday-only 7-day rolling revenue averages per product while excluding weekends and ignoring missing dates.
Microsoft
Amazon Web ServicesIdentify missing and corrupted measurement records across distributed sources using PostgreSQL joins and conditional validation.
AccentureUse joins, a CTE, CASE, and COALESCE to standardize missing and inconsistent CRM data before reporting.
Veeva SystemsReturn active, non-expired dataset grants while enforcing MFA and role requirements for sensitive data.
Aggregate filtered transactional events into user session features for efficient large-scale analysis.
bet365Sign up to see every question
Create a free account to unlock this list and practice real interview questions.
Recursively extract, deduplicate, normalize, and sort items from a nested Yochana Flow JSON response.
YochanaTests judgment, adaptability, prioritization, and ownership when important information is unavailable.
AmazonAmazon Web ServicesImplement a batch pipeline that validates CSV records and sends idempotent API requests with retries, throttling, and failure reporting.
Seatgeek