Concept Notes (Deep Explanation + Examples) 🔹 What is Normalization? Normalization is the process of organizing data in a database to reduce redundancy (duplicate data) and improve data integrity.It...
In ECET 2026 DBMS, SQL Subqueries and Nested Queries are one of the most asked topics. These are easy to learn but scoring if you understand how queries work...
In DBMS, SQL Joins are frequently asked in ECET exams. They are important for solving queries that combine data from multiple tables. This topic guarantees scoring questions, especially with...
SQL is a very important part of DBMS section in ECET 2026. Topics like GROUP BY, HAVING, Aggregate Functions are repeated every year. With practice, these questions can be...
SQL is the backbone of Database Management Systems. In ECET 2026, queries from SELECT, WHERE, ORDER BY are most frequently asked. These are scoring because they are direct and...
Concept Notes – Joins in DBMS In DBMS, JOIN is used to combine data from two or more tables based on a related column (usually a primary key–foreign key...