SQL (Structured Query Language) Complete Course
Learn SQL from basics to advanced concepts. This course covers databases, tables, SQL commands, data types, constraints, INSERT, UPDATE, DELETE, SELECT, filtering, sorting, aggregate functions, GROUP BY, HAVING, joins, subqueries, views, and practical SQL examples. Suitable for students, beginners, and learners preparing for Computer Science exams.
Chapter 1
Introduction to SQL
SQL stands for Structured Query Language. It is a standard language used to communicate with relational databases. SQL allows us to create databases and tables, store information, retrieve data, modify existing records, and manage relationships between different tables.