Microsoft relational management system is a software product that stores and retrieves information requested by other applications. These applications can run on one or more computers.
To get deeper, to understand what SQL Server is, you must first understand what SQL is.
SQL is a special programming language designed to manage data in a related database management system. A data server is a computer program that provides database services to other systems or computers, as defined by the client-server model. Therefore, SQL Server is a data server that uses Structured Query Language (SQL).
There are many different types of Microsoft SQL Server, which cater for a wide range of needs and requirements. The domain data type is designed for high levels of application support and robustness, while the Express version is a scaled-down, free software version.Ad Link
IF (Expression 1)
BEGIN
Statement 1;
END
ELSE IF (Expression 2)
BEGIN
Statement 2;
END
..........
ELSE
BEGIN
Default Statement;
END