SQL functions are built-in operations that you can use in SQL queries to perform tasks like mathematical calculations, date and time manipulation, and text operations.
Understanding the Fundamentals of SQL:
This involves learning the basic concepts of SQL, including its purpose, syntax, and how it’s used to manage and query databases.
Introduction to Databases (Types, Tools, and Installing SQL):
Databases come in various types (e.g., relational, NoSQL). You’ll learn about different database types, the tools used to interact with them, and how to install SQL database management systems (DBMS).