Tag: SQL

  • Subqueries and joins are two important concepts in SQL, the standard programming language for managing and manipulating databases. In this blog, we will explore what subqueries and joins are, how they differ, and when to use each one in your SQL queries. What are Subqueries? A subquery is a query within a query. It is […]

  • Welcome to my article on software engineering! My name is Adam Lee and I am a Software Engineer. In this article, I hope to share my knowledge and experience with you, covering a wide range of topics from software engineering principles to specific technologies such as C#, Ruby on Rails, and SQL. I’ll be providing […]