SQL Server Tutorial - For Beginners & Professionals

Download SQL Server 2014 Express from Microsoft download center

Microsoft SQL Server 2014 Express is a powerful and reliable free data management system that delivers a rich and reliable data store for lightweight Web Sites and desktop applications. The Express edition is free and ideal for learning, developing, powering desktop, web & small server applications. The SQL Server 2014 Express release includes the full version of SQL Server 2014 Management

 

Difference between CTE and Temp Table and Table Variable

Temp Table or Table variable or CTE are commonly used for storing data temporarily in SQL Server. In this article, you will learn the differences among these three.

 

Calculate Running Total, Total of a Column and Row

Many times, you required to show information of each transaction and also keep a Running Total and Final Total like GridView in Asp.Net. In this article, I am going to explain, how can you achieve this using SQL Query in simple and easy way.

 

Understanding Case Expression in SQL Server with Example

Sometimes, you required to fetch or modify the records based on some conditions. In this case, you may use cursor or loop for modify your records. In this situation Case expression is best alternative for Cursor/looping and also provides better performance.

 

How to insert values to identity column in SQL Server

Identity field is usually used as a primary key. When you insert a new record into your table, this field automatically assign an incremented value from the previous entry. Usually, you can't insert your own value to this field.

 

Difference between inner join and equi join and natural join

SQL join clause is used to to retrieve data from two or more database tables. In previous article, I have explained the Different Types of SQL Joins. In this article, I would explain the difference among inner join, equi join and natural join.

 

SQL Server Naming Conventions and Standards

In programming, we have many naming conventions like camelCase, PascalCase, under_scores etc. But each and every organization has its own naming conventions. In this article, I would like to share some common and useful naming conventions and standards that you should use while programming with SQL Server.

 

Clear List of Recent SQL Server Connection From SQL Server Management Studio

While working with SQL Server, we connect to the different-different data server. As a result of this SSMS has a list of diffrenet SQL Server which we have used. Sometimes this list create confusion and we can try to make the connection to SQL Server which does not exist or we does not have access to it. To resolve this issue, we should clear this server list from SSMS.

 

Enable Intellisense in SQL Server 2005, 2008

By default, SQL Server 2000, 2005, 2008 and 2008R2 doesn't provide intellisense like Visual Studio. While writing T-SQL statements, we need to recall the database table structure (including columns, their data types, size) and other database objects structure like stored procedure, view and functions again and again. Sometimes it becomes tedious task.

 

Swap the values of two columns in SQL Server

Do you have fun with SQL Server?. Let's start fun with SQL Server. Suppose you want to swap the values of two columns of a table in SQL Server, how could you achieve this tricky task?. Actually, it is simple and so funny.

 

SQL Server 2012 New Features and Programmability Enhancements

SQL Server 2012 has a powerful set of fetures to increase productivity of developers and database administrators. SQL Server 2012 has a new SSMS that is built on Visual Studio 2010 and support various productivity features of Visual Studio 2010 like multi monitor support and pull out the tabs from main work area to different monitor or out side the IDE.

 

Drop all tables, stored procedure, views and triggers

Sometimes, there is a case, when we need to remove all tables, stored procedure, views and triggers completely from the database. If you have around 100 tables, stored procedure and views in your database, to remove these, completely from database became a tedious task. In this article, I would like to share the script

 

Difference between Primary Key and Foreign Key

In SQL Server, there are two keys - primary key and foreign key which seems identical, but actually both are different in features and behaviours. In this article, I would like to share the key difference between primary key and foreign key.

 

Difference between Primary Key and Unique Key

In SQL Server, we have two keys - primary key and unique key which distinctively or uniquely identify a record in the database. Both the keys seems identical, but actually both are different in features and behaviours. In this article, I would like to share the key difference between primary key and unique key.

 

Inserted, Deleted Logical table in SQL Server

There are Inserted and Deleted logical tables in SQL Server. These tables are automatically created and managed by SQL Server internally to hold recently inserted, deleted and updated values during DML operations (Insert,Update,Delete) on a database table.