SQL Query Lab

Run read-only SQL against a fresh in-memory practice database. Queries never touch or leave this demo dataset.

Practice database schema

studentsid, name, branch, semester, cgpa

subjectsid, name, branch, credits

enrollmentsstudent_id, subject_id, score

Use JOINs, filtering, sorting, grouping and aggregate functions. Five fictional students and sample course records reset for every run.