Essential SQL Commands and Features for Beginners – Everything You Need to Know
What is SQL? SQL (Structured Query Language) is a domain-specific language used in programming to manage and manipulate data stored in Relational Database Management Systems (RDBMS) . It plays a vital role in storing, retrieving, modifying, and deleting data. Whether you're involved in data analysis , backend development , or business intelligence , knowing SQL is essential to work efficiently with databases. 🔍 Common SQL Commands You Should Know To get started with SQL, there are a few core commands every beginner should understand. The SELECT command is used to retrieve data from a database. It lets you view specific columns or entire tables based on your query requirements. If you want to add new data to a table, you use the INSERT command. This allows you to input new records like customer details, product data, or user information into the database. To update existing records, the UPDATE command comes in handy. It helps you modify data such as changing a user’s e...