Grading student SQL queries manually is a tedious and error-prone process. The XData
system, developed at IIT Bombay, can be used to test if a student query is correct or not …

The database systems course has gained increasing prominence in academic institutions
due to the convergence of widespread usage of relational database management system …

Structured Query Language (SQL) is the dominant language for managing relational
databases. However, complex SQL queries are hard to write and maintain because of the …

A key learning goal of learners taking database systems course is to understand how SQL
queries are processed in an RDBMS in practice. To this end, comprehension of the cost …

Motivation: User-friendly systems and tools are paramount for facilitating learning of
database systems. In many universities around the world, database systems courses are …

The evaluation of programming exercises submitted by a large volume of students presents
an ongoing challenge for educators. As the number of students engaging in programming …