Explain that SQL (Structured Query Language) is used to store, retrieve, update, and manage data in relational databases.
WHERE filters rows before grouping, while HAVING filters grouped data after aggregate functions are applied.
Learn the purpose of INNER JOIN, LEFT JOIN, RIGHT JOIN, and FULL JOIN to combine data from multiple tables.
Understand how primary keys uniquely identify records and foreign keys create relationships between database tables.
Join CBITSS Chandigarh to strengthen your SQL concepts, solve real interview questions, and build confidence for technical interviews.
Master SQL queries, joins, subqueries, aggregate functions, and interview preparation through practical training at CBITSS Chandigarh.