A repository where Vasileios Tsakalos and myself present our solutions to the SQL challenges on SQL-practice.com. The solutions include challenges from two distinct databases: hospital & northwind.

Abstract: Adjustment and optimization of applications is an important stage throughout the software life cycle. Based on the database system coming into running applications, SQL statements on the ...

In today’s competitive job market, securing a role in database management is difficult. SQL(Structured Query Language) remains a fundamental skill for database administrators, software developers, and ...

SQL, the Structured Query Language, is a cornerstone skill for anyone working with data. To master this powerful language, consistent practice is crucial. We present a curated list of 12 top-notch ...

Welcome to the SQL Practice Exercises repository! Here, you'll find a collection of SQL exercises designed to sharpen your SQL querying skills. The exercises cover a range of topics including data ...

Here, we can merely use the ‘+’ operative in SQL. Write an SQL query to fetch all the students from table Students who either live in Delhi or studying a course with Course id -440? This question ...

SQL, or Structured Query Language, is like the language of databases. It’s a way for computers to understand and manage data. Whether one is aiming to be a data analyst, scientist, or engineer, SQL is ...

Abstract: Most engineering courses include fundamental practice activities to be performed by students in computer labs. During lab sessions, students work on solving exercises with the help of ...