SQL Server is a relational database management system, or RDBMS, developed and marketed by Microsoft. Similar to other RDBMS software, SQL Server is built on top of SQL, a standard programming language for interacting with relational databases. SQL Server is tied to Transact-SQL, or T-SQL, the Microsofts implementation of SQL that adds a set of proprietary programming constructs. SQL Server has four primary editions that have different bundled services and tools. Two editions are available free of charge: SQL Server Developer edition for use in database development and testing. SQL Server Expression for small databases with the size of up to 10 GB of disk storage capacity. For larger and more critical applications, SQL Server offers the Enterprise edition that includes all SQL Servers features. SQL Server Standard Edition has partial feature sets of the Enterprise Edition and limits on the Server regarding the numbers of processor core and memory that can be configured. Sometimes, we need a sample database that has all the required objects along with a large set of data inside the database for our various testing needs or our learning purpose. Microsoft has developed several sample databases for each type of workloads like the AdventureWorks database for OLTP workload and the AdventureWorksDW database for data warehouse workloads. You will learn how to restore databases into SQL Server using SQL Server Management Studio -SSMS
