SQL Server is a relational database management system (RDBMS) developed and marketed by Microsoft. It is used to manage and store data for a wide variety of applications, including business intelligence, enterprise resource planning, and data warehousing.
SQL Server supports a variety of data types, including basic data types like integers and strings, as well as more complex data types like spatial data, and it supports a wide range of programming languages including Transact-SQL (T-SQL), ANSI SQL, and others.
SQL Server also provides a number of advanced features like data warehousing, business intelligence, data mining, and more. It can be used on-premises, in the cloud (Azure SQL Database) or as a hybrid solution. It's available in different editions, such as Express, Web, Standard and Enterprise, each with different features and capabilities to suit different needs and budget.
