Topfolio
Career TracksMicro Free CoursesTask CoursesPracticeInterview PracticeWork ExperienceProjects
Career TrackBlog
Support
Dashboard
Career TracksMicro Free CoursesTask Courses
SQL & Python
Interview Prep
Work ExperienceProjectsResume Feedback
CertificatesMy OrdersRefer & Earn
Join Community

Navigation

Dashboard
Learn
Career TracksMicro Free CoursesTask Courses
Practice
SQL & PythonInterview Prep
Career
Work ExperienceProjectsResume Feedback
My Stuff
CertificatesMy OrdersRefer & Earn
Join Community
Topfolio

Learn data analytics online. Real skills, real projects, real community.

courses

  • Career Tracks
  • Work Experience
  • Best Data Analyst Course in India
  • SQL Fundamentals
  • SQL Advanced
  • Python for Data
  • Micro Free Courses

practice

  • SQL Fundamentals Interview Test
  • SQL Advanced Coding Test
  • All Practice Tests

resources

  • How to Become a Data Analyst
  • SQL Interview Questions
  • Data Analyst Salary Guide
  • Free Datasets for Practice
  • SQL vs NoSQL Guide
  • Data Analyst vs Data Engineer vs Data Scientist

employers

  • Enterprise Screening
  • AI Proctoring Demo
  • Volume Pricing
  • Employer Portal

company

  • About
  • Terms
© 2026 Topfolio. All rights reserved.Made with ❤️ for aspiring analysts
Topfolio
Career TracksMicro Free CoursesTask CoursesPracticeInterview PracticeWork ExperienceProjects
Career TrackBlog
Support
Dashboard
Career TracksMicro Free CoursesTask Courses
SQL & Python
Interview Prep
Work ExperienceProjectsResume Feedback
CertificatesMy OrdersRefer & Earn
Join Community

Navigation

Dashboard
Learn
Career TracksMicro Free CoursesTask Courses
Practice
SQL & PythonInterview Prep
Career
Work ExperienceProjectsResume Feedback
My Stuff
CertificatesMy OrdersRefer & Earn
Join Community

Split Tracks Into Duration Quintiles (NTILE)

intermediate~6 min25 pts
📊 View Insights

Problem

The catalog team wants to segment tracks into 5 equal-sized buckets by duration, longest first, to spot unusually long or short tracks.

Return TrackId, Name, Milliseconds, and DurationQuintile (1 = longest), ordered by Milliseconds descending (ties broken by TrackId).

Schema: Track

ColumnType
TrackIdINTEGER (Primary Key)
NameTEXT
MillisecondsINTEGER
Window FunctionsNTILE
📊
📊 View Question Telemetry & Insights
Failure rate, silent bug autopsy & optimal query construction
Inspect →

Master SQL & Data Analytics

Ready to take your skills to the next level? Enroll in our comprehensive Data Analyst Career Track to master SQL, Python, Excel, and Power BI.

Explore the 12-Week Data Analyst Career Track

Related questions

  • Number Tracks Within Albumsintermediate
  • Rank Artists by Album Countintermediate
  • Dense Rank Tracks by Priceintermediate
  • Compare Invoice Dates with LEAD/LAGintermediate
  • Running Total of Invoice Amountsintermediate
  • Segment Customers into Quartilesintermediate
  • Revenue Share by Genre with Window Functionsadvanced
  • Month-over-Month Revenue Growth Rateadvanced
SQL Editor

Run your code to see the result here.

Topfolio

Learn data analytics online. Real skills, real projects, real community.

courses

  • Career Tracks
  • Work Experience
  • Best Data Analyst Course in India
  • SQL Fundamentals
  • SQL Advanced
  • Python for Data
  • Micro Free Courses

practice

  • SQL Fundamentals Interview Test
  • SQL Advanced Coding Test
  • All Practice Tests

resources

  • How to Become a Data Analyst
  • SQL Interview Questions
  • Data Analyst Salary Guide
  • Free Datasets for Practice
  • SQL vs NoSQL Guide
  • Data Analyst vs Data Engineer vs Data Scientist

employers

  • Enterprise Screening
  • AI Proctoring Demo
  • Volume Pricing
  • Employer Portal

company

  • About
  • Terms
© 2026 Topfolio. All rights reserved.Made with ❤️ for aspiring analysts