What is SQL? SQL (Structured Query Language) is a standardized programming language used for managing and manipulating relational databases. It allows you to perform various operations like querying data, updating records, deleting data, and creating or altering database structures. Basic SQL Syntax Here are some fundamental SQL commands and their syntax: SELECT Used to retrieve data from a database. sql Copy code SELECT column1, column2, ... FROM table_name; Example: sql Copy code SELECT first_name, last_name FROM employees; WHERE Used to filter records. sql Copy code SELECT column1, column2, ... FROM table_name WHERE condition ; Example: sql Copy code SELECT first_name, last_name FROM employees WHERE department = 'Sales' ; INSERT INTO Used to insert new records into a table. sql Copy code INSERT INTO table_name (column1, column2, ...) VALUES (value1, value2, ...); Example: sql Copy code INSERT INTO employees (first_name, last_name, department) VALUES ( ...
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