Define MSSQL

SQL Data Types

SQL Commands

SQL Create Database

SQL Create Table

SQL Insert Into

SQL Select Query

SQL Orderby

SQL Update Command

Truncate Delete Drop

SQL Select Top

SQL Constraints

SQL Alias

SQL Joins

SQL Union, intersect

SQL Select Into

SQL Insert Into Select

SQL Indexes

SQL Alter Table

SQL AutoIncrement

SQL View

SQL Date Functions

SQL NULL Value

SQL Aggregate Functions

SQL Group By

SQL Scalar functions

Stored Procedure

MS-SQL Select Top

SELECT TOP is used to display the number of records from top.
Select top 2 * from customer
Select top 50 percent * from customer