Category: RDBMS

Introduction :  In the world of databases, a primary key is a fundamental concept that plays a crucial role in maintaining data integrity and ensuring efficient data retrieval. It is a concept that is essential for anyone working with relational databases and forms the backbone of their structure. In this article, we will delve into the definition of a primary key, explore its examples, understand its significance, and learn how to choose and implement it effectively. Definition of Primary ... Read More

To understand what exactly is SQL Server, we need to understand what is DBMS and RDBMS. DBMS stands for Database Management System. When we have a huge database with us, we would need a proper management system which would help us organise this database.  There are 4 types of database management systems: Hierarchical Network Relational Object-Oriented. Out of these database management systems, SQL Server comes under the category of Relational database management system.  A re... Read More