SysInfo SQL file viewer is a free application that lets users to view and open SQL database files without SQL Server. This free SQL viewer supports viewing of all the data types of SQL files like tables, columns, classes, triggers, keys, indexes etc.. This software comes with very handy and easy to use interface that open MDF and NDF files easily even, if they are corrupt. SysInfo SQL file viewer is one of the smartest way to open SQL database files without using SQL Server online.