Nonclustered indexes are faster than clustered indexes for retrieval.

With SQL Server, parameters and variables in T-SQL start with the "%" sign.

An SQL Server reserved word must be placed in brackets. If the word is not in brackets, SQL Server will try to interpret it as the name of one of its special words.

SQL Server automatically creates an index on all primary and foreign keys.

There is only one way to create and modify tables in SQL Server. Write SQL code using either the CREATE or ALTER statements.