Premium21 Problems10 SQL + 11 Python

Redfin SQL & Python Interview Questions

Practice 21 SQL and Python interview questions modeled after the kind of data and analytics work done at Redfin. 10 SQL and 11 Python problems covering technology data challenges — from data transformation and aggregation to advanced analytical queries. Graded instantly in your browser.

Redfin

Technology

SQL

Python

Difficulty Breakdown

21 problems

4 Easy(19%)

9 Medium(43%)

7 Hard(33%)

1 Expert(5%)

Skills You'll Practice

20 topics

SQL · 9

aggregationbasic queries filteringcleaning transformdate timejoinsscenario sqlset operationssubqueries cteswindow functions

Python · 11

eda statisticsfeature engineeringpandas aggregationpandas applypandas basicspandas datetimepandas filteringpandas mergingpandas reshapingpandas scenariopandas window

All Problems21 total

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