#data engineering

Design batch and streaming ETL pipelines
System designMeta
▲ 00 solutions
Cumulative user metrics with a full outer join
CodingMeta
▲ 00 solutions
Top three items per category in SQL
CodingMeta
▲ 00 solutions
Count active follow connections in SQL
CodingMeta
▲ 00 solutions
Recommend accounts your followees follow
CodingMeta
▲ 00 solutions
Carpool ride metrics in SQL
CodingMeta
▲ 00 solutions
Design tables and metrics for product event data
System designMeta
▲ 00 solutions
Customers who rented in two consecutive weeks (SQL)
CodingMeta
▲ 00 solutions
Validate checkout and return logs
CodingMeta
▲ 00 solutions
Library database SQL: unreturned copies, top books and referral gaps
CodingMeta
▲ 00 solutions
Data model for feed posts and shares
System designMeta
▲ 00 solutions
Car rental utilization by city (SQL)
CodingMeta
▲ 00 solutions
Top three categories by total score
CodingMeta
▲ 00 solutions
Walk through a dashboard you built and improved
BehavioralGoogle
▲ 00 solutions
Diagnose a data pipeline's quality and performance problems
BehavioralDatabricks
▲ 00 solutions
Design data pipelines for a short-video app
System designApple
▲ 00 solutions
Web-scale crawl cleaning for pretraining data
System designHugging FaceAmazon
▲ 00 solutions
Data platform with ingestion and governed access
System designMediumAnthropic
▲ 01 solution