All kinds Relations in sql server

In the simplest form a relation in SQL is matching data in key columns with the same name in different tables. There are three types of relationships between tables. 

One-to-Many Relationship

Many-to-Many Relationships

One-to-One Relationships


One-to-Many Relationships

it is the most common type of relationship. In this type of relationship, a row in table A can have many matching rows in table B, but a row in table B can have only one matching row in t... Continue

An Introduction to basic concepts of SQL Server

I'm going to write about basic concepts of Microsoft  SQl Server in two part this is the part one! , as I've rarely seen SQL graphical text tutorial (most of them are text only and it does not make good sense for beginners like me), I want to fit more and more picture in this Article! This article is about SQl language fundamentals , and obviously it is familiar for most of the developers!

Introduction to SQl language 

SQL is a language designed to retrieve and management of data in relational databases , SQL is a language and not all r... Continue