Introduction to SQL
Explore the fundamentals of SQL and understand different types of table relationships such as one-to-one, many-to-one, and many-to-many. Learn how these relationships model real-life scenarios to create efficient, maintainable, and scalable database-driven applications.
We'll cover the following...
We'll cover the following...
Overview of SQL
SQL (Structured Query Language) is a language used to manage data in relational database systems. To be good at working with SQL, we should have a proper understanding of the kind of relationships that exist between the entities. This helps us write more efficient, maintainable, and scalable code.
These relationships can be:
- one-to-many
- many-to-many
- one-to-one
- many-to-one
SQL is one of the most widely used ...