Sharpen your SQL skills with 80 interactive SQL practice questions available online, covering window functions like RANK, LAG, and LEAD.
Perfect for SQL interview preparation or mastering analytic queries.
Restore glory to Xorthax’s Galactic Trading Post—one query at a time.
PracticeWindowFunctions.com is a free platform to learn and practice SQL window functions through interactive challenges and SQL interview questions with answers.
Our SQL practice problems cover ROW_NUMBER(), RANK(), LAG(), LEAD(), NTILE(), and more—complete with hints and detailed solutions.
Master advanced SQL techniques while preparing for real-world analytics and SQL interviews.