DataDrivenDataDrivenDataDriven
LearnPracticeInterviewDailyJobsCommunity

formal_quartz_4797

Rank #118
DataDrivenDataDriven
Exemplar
Top 2.2%
Member Nº 1575
Joined Jun 2026
SQLPYSPKDMPA
SQL
Common Table Expressions
Timezones
Scalar Subquery
Python
Modules
Tuples
Strings
Spark
Exploding Arrays
Regex Functions
Catalyst Optimizer
Data Modeling
Metric Additivity
Learned
149LEARNED
SQL149
Milestones
7-day streak
986 runs in the past 26 weeksActive days: 13 · Max streak: 11
MarAprMayJunJulAugSep
Recent solves
From products, return product_id, product_name, price where price is BETWEEN 20 AND 40
SQL · medium · lesson
2 days ago
Find all products with a price between 20 and 80 (inclusive)
SQL · medium · lesson
2 days ago
From products, return product_id, price, and a band column using CASE: 'cheap' if price < 20, 'mid'
SQL · medium · lesson
2 days ago
From products, return product_id and product_name where product_name LIKE '%Pro%'
SQL · medium · lesson
2 days ago
Find all transactions made between '2024-01-01' and '2024-06-30' where the total_amount is between 1
SQL · medium · lesson
2 days ago
Show the 3rd through 5th most recent transactions by date
SQL · medium · lesson
2 days ago
Find the 5 most expensive products
SQL · medium · lesson
2 days ago
Find all search queries where the search_term does NOT start with 'SELECT'
SQL · medium · lesson
2 days ago
Find all users whose email address ends with '.com'
SQL · medium · lesson
2 days ago
Find transactions for user 100 or user 234, but only where either the quantity is at least 2 or the
SQL · medium · lesson
2 days ago

Product

  • Lessons
  • Practice Problems
  • Mock Interview
  • Daily Challenge
  • Community
  • Discuss

Resources

  • All Resources
  • Blog
  • About
  • Contact

Pipeline architecture tips, weekly

SQL patterns, Python tricks, and pipeline architecture insights for your next interview. Sent every Wednesday.

TermsPrivacySecurityHelp

© DataDriven

We help you get hired at these companies, but we don't work for them. All trademarks belong to their respective owners.